Blog

5 november 2026

Basement Conversion Cost in London: What Drives It

What a basement conversion costs in London and why: cellar or new dig, underpinning and waterproofing, borough basement policies, party walls and programme.

5 november 2026

CDM Regulations 2015: What Clients Must Do

The CDM Regulations 2015 in plain English: the five duty holders, client duties, the principal roles, F10 notification and domestic projects.

5 november 2026

How Much Does a House Cost to Build?

What it costs to build a house in the UK in 2026: cost per m², land, fees, VAT and CIL, London vs the UK, the timeline and where budgets overrun.

5 november 2026

Cost to Build a Warehouse: UK Construction Cost

What drives the cost to build a warehouse in the UK: frame and eaves, slab and yard, docks, fire and power, planning, utilities and VAT.

5 november 2026

Architect for a House Extension: What to Expect

Do you need an architect for a house extension? What they draw, planning vs permitted development, building regulations, party walls, fees and lofts.

5 november 2026

House Extension Cost in London: What Drives It

What a house extension costs in London and why: rear, side-return and wraparound, kitchen extensions, planning, party walls and the drivers.

5 november 2026

Cost to Convert a House into Flats

What drives the cost to convert a house into flats in London: structure and stairs, fire and sound separation, services and meters, planning and CIL.

5 november 2026

How Much Does an Interior Designer Cost?

How UK interior designers charge: hourly, percentage, per room and fixed fees, what drives the total and what to ask before you sign.

5 november 2026

Loft Conversion Cost in London: What Drives It

What a loft conversion costs in London and why: dormer, hip-to-gable and mansard, planning, structure, stairs and fire, and timescales.

5 november 2026

Office Space Calculator: How Much Space You Need

Office space calculator for UK businesses: square metres and sq ft per person by layout, growth, hybrid days, meeting space and a worked example for 50 people.

5 november 2026

Planning and Building Regulations Drawings Explained

What planning and building regulations drawings contain, who can draw them, how long approval takes, what drives the cost and why councils reject them.

5 november 2026

Restaurant Design: A Practical Guide for Owners

Restaurant design from the kitchen out: layout, extraction, seating, lighting, sound, use class and licences, plus ideas that help a room trade.

5 november 2026

Retail Design: How to Plan a Store That Sells

Retail design for UK shops: layout types, the entrance and route, fixtures, lighting, fitting rooms, shop fronts, signs and consents.

5 november 2026

RIBA Stages Explained: What You Decide at Each

The RIBA stages 0 to 7 explained for clients: what each stage of the Plan of Work delivers, what you decide, and where planning and the build price fit.

5 november 2026

Steel Frame Buildings: Types, Planning and Cost

Portal and multi-span steel frames, cladding and fire, planning and Building Regulations, what drives the cost, and kit building or design and build.

5 november 2026

What Does an Interior Designer Do?

What an interior designer does at each stage, from brief and survey to concept, detailed design, procurement and handover.

5 november 2026

Workplace Strategy: How to Brief Your Next Office

Workplace strategy explained: how to use occupancy and hybrid data to write an office brief, turn it into a test fit, and measure whether the new office works.

4 november 2026

How to Invest in Property Development

How to invest in a property development in the UK: joint ventures, loan notes, funds or buying a site, checks on a developer, scam warnings and tax pointers.

2 november 2026

Church Conversion to Homes in London: the Consents, the Hard Parts and the Cost

The consents a church needs to become homes (change of use from Class F1, listed building consent, closure, covenants), the hard parts from windows to burials, and our 2026 build cost per m².

2 november 2026

Brownfield Site: Definition and How to Buy One

Where developers find derelict buildings and brownfield sites in London and the UK, how to value them, the traps, and three real examples.

2 november 2026

HMO Article 4 Directions in London: Which Boroughs Need Planning Permission for a Small HMO

Every London borough with an HMO Article 4 direction and the date it took effect, how to check one address, what happens if you convert anyway and what the council tests on a full application.

2 november 2026

HMO Planning Permission: C4 or Sui Generis

HMO planning permission explained: when Class L lets a house become a C4 HMO, when Article 4 removes it, and why seven residents is sui generis.

2 november 2026

HMO Room Sizes and Standards in London: Rooms, Kitchens, Fire and Building Regulations

The national HMO room sizes, what Camden, Hounslow and Southwark ask for bedrooms, kitchens and bathrooms, the LACORS fire door and alarm rules, and when Building Regulations apply.

2 november 2026

HMO Investment in London: Yields, the HMO Mortgage, Conversion Costs and the Risks

HMO yields against single lets in 2026, what HMO mortgage lenders ask for, conversion costs at our 2026 rates, and the Article 4, licensing and tax risks to check before you buy.

2 november 2026

HMO Licence and Regulations: Who Needs One, What the Inspector Checks and the Works to Pass

Who needs an HMO licence, the national room sizes, the fire, electrical and gas rules, fees, penalties, the London boroughs with additional licensing and the works that pass the inspection.

2 november 2026

House Renovation Cost in London: What Decides It

What decides the cost to renovate a house in London: scope, structure, services, specification, access and neighbours, VAT, fees and contingency.

2 november 2026

Investment Property in London and the UK: Adding Value Through Planning, Conversion and Extension

How a value-add investment property makes money through planning, conversion, extension and airspace, with Allitsen Road as the worked example.

2 november 2026

Land Acquisition for Property Development: How Developers Find, Test and Buy Sites in the UK

How developers find, appraise, check and buy development sites in London and the UK, and the deal terms that protect the buyer.

2 november 2026

Lawful Development Certificate: How to Prove a Use or a Conversion Is Lawful

What a lawful development certificate proves and which one you need: existing use under section 191 or proposed use under section 192, the evidence councils accept, the 2026 fees, the ten-year rule and when to get one before a Class MA conversion.

2 november 2026

Listed Building Consent in London: Converting a Listed Building to Homes

What needs listed building consent on a conversion to homes, why Class MA does not apply, the application and its documents, the 8-week decision period, what the council and Historic England test, common refusals and the criminal offence of works without consent.

2 november 2026

Permitted Development Extension Rules: The Exact Size Limits for Rear, Side, Two-Storey and Loft

The exact permitted development limits for rear, side, two-storey and loft extensions on a house in England, the larger home extension route, and the conservation area and Article 4 catches in London.

2 november 2026

Permitted Development for Outbuildings and Garden Rooms in London: the 2026 Rules

The Class E limits for garden rooms, offices, gyms and garages, the incidental-use trap, the London conservation-area and listed-house rules, the Building Regulations thresholds and when a lawful development certificate is worth it.

2 november 2026

Permitted Development Rules in London: What You Can Build Without Planning Permission

The householder classes of the GPDO 2015 in plain English (extensions, lofts, porches, outbuildings), the four things that cancel them in London, the lawful development certificate and the householder application if the rights have gone.

2 november 2026

Property Deal Sourcing for Developers: How Development Deals Are Found, Tested and Bought

How development deal sourcing works for developers and value-add investors, how sourcers are paid, the rules they follow and the red flags in a deal pack.

2 november 2026

Buying a Property to Renovate in London: Where to Find One, What It Costs and What to Check

Where to find a property to renovate in London, what the works cost at our 2026 rates, the checks before you offer and how to price your bid.

2 november 2026

Pub Conversion in London: Change of Use from Pub to Residential

Why a pub always needs full planning to become homes, the London Plan 24-month marketing test, what an Asset of Community Value listing does, flats above a working pub, and the cellar, party wall, sound and fire work.

2 november 2026

Renovation Mortgage and Refurbishment Loans: How to Fund a Property That Needs Work

How to fund a property that needs work: standard mortgage with a retention, further advance, light or heavy refurbishment bridging, development finance, and the costed schedule of works every lender asks for.

2 november 2026

Retrospective Planning Permission: What to Do When the Work Is Already Built

What retrospective planning permission is, the 10-year rule, the enforcement notice process, the seven appeal grounds, what a refusal means and what it costs.

2 november 2026

Section 73 Application or Non-Material Amendment: How to Change a Consent You Hold

Which route changes a consent you already hold, the 2026 fees and statutory periods, how to discharge pre-commencement conditions, and what Section 73 cannot do.

30 october 2026

Industrial Unit Refurbishment to Let: EPC, Scope, Cost and the Void

What a landlord must do to re-let an industrial unit: EPC E and MEES, the scope tenants check, 2026 costs and the empty-rates clock.

30 october 2026

Cost to Build an Office Building in 2026: UK and London Prices per m²

What it costs to build an office building in the UK and London in 2026, per m² and per sq ft, and what the rate leaves out.

30 october 2026

Restaurant Fit-Out Cost in 2026: What a Restaurant, Bar or Pub Costs per m²

What a restaurant, bar or pub fit-out costs per m² in 2026, what the kitchen adds, and the costs outside the build.

30 october 2026

How Much Does a Shop Fit-Out Cost? 2026 Prices per m² for UK and London Stores

What a shop fit-out costs per m² and per sq ft in 2026, from a store refresh to a flagship, and the costs outside the build.

30 october 2026

Planning Permission for Solar Panels on Listed and Conservation Area Homes

When solar panels need planning permission in 2026, what a conservation area changes, and how listed houses get consent.

30 october 2026

What Is Preconstruction? The Phase That Fixes Price, Programme and Risk

What preconstruction covers, when the contractor should join, how the phase is contracted and when it pays for itself.

29 october 2026

Article 4 Directions Explained: HMOs, Class MA and Conservation Areas in London

What an Article 4 direction removes, how it hits HMOs and office to residential under Class MA, how to check an address in London and what to do if your site is caught.

29 october 2026

BB103 Area Guidelines Explained: How Much Space a School Building Needs

BB103 explained in plain English: classroom sizes, net and gross floor area, how BB104, BB93 and BB101 apply, and how to turn an area schedule into a costed brief.

29 october 2026

Cat A Fit Out Cost in 2026: Price per sq ft, What It Includes and What Moves It

Cat A fit out cost per sq ft for 2026, line by line from Knight Frank's benchmark, the three budget levels and what moves the price of a landlord's floor.

29 october 2026

Commercial EPC Cost: What the Certificate and the Upgrade Works Cost in 2026

What a commercial EPC costs, what sets the assessor's fee and the published 2026 cost per sq ft of the works that lift the rating.

29 october 2026

Commercial Roof Replacement Cost: 2026 Prices and Repair, Overclad or Replace

What a commercial roof replacement costs per m² by system, the extras that move the price, and when to repair, overclad or replace.

29 october 2026

Commercial Solar Panel Cost in 2026: Price per kWp, Payback and ROI

What commercial solar panels cost in 2026 per kWp and by system size, what sits on top, payback, tax relief and buying versus a PPA.

29 october 2026

Condition Improvement Fund (CIF) 2027-28: How to Write a Bid That Gets Funded

Who can bid for the Condition Improvement Fund, the 15 December 2026 deadline, thresholds, how bids are scored and the cost evidence that scores.

29 october 2026

Cost to Build a Self Storage Facility in the UK: Conversion vs New Build

What it costs to build or convert a self storage facility in the UK in 2026, per m², with the fit-out, fire, planning and hidden costs.

29 october 2026

Curtain Walling Explained: How It Works, Which System, and What It Costs

What curtain walling is, stick and unitised systems, the Building Regulations that apply, how long each part lasts and what a replacement costs.

29 october 2026

Fire Compartmentation Survey: What It Checks, What It Finds and How It Is Fixed

What a fire compartmentation survey checks, how it differs from fire stopping and passive fire protection, the usual defects and how they are fixed.

29 october 2026

FRAEW and PAS 9980 Explained: What the Appraisal Decides and What Comes Next

What a FRAEW is, how PAS 9980 (revised 2026) works, how it differs from an EWS1, the 2029 cladding dates and what remediation costs.

29 october 2026

FF&E Meaning in Hotels: What It Covers and How to Budget, Buy and Install It

What FF&E means in a hotel, how it differs from OS&E, how to budget it room by room and who buys, installs and signs it off.

29 october 2026

Hotel Refurbishment Cost per Room in the UK: 2026 Figures and What Drives Them

What a hotel refurbishment costs per room and per m² in 2026, what the figure leaves out and how phasing changes the budget.

29 october 2026

How to Start a Self Storage Business: From Building to Opening Day

How to start a self storage business in the UK, from the building and planning use class B8 to fit-out, fire safety and opening day.

29 october 2026

JCT Contracts Explained: The Types of JCT Contract and Which One to Use

What a JCT contract is, the main types and how to choose the right one before you sign, from Minor Works to Standard Building Contract.

29 october 2026

Office Refurbishment Cost in 2026: Price per m², What It Includes and What Moves It

Office refurbishment cost per m² and per sq ft in 2026, what a refresh, reconfiguration and full refurbishment include, and refurbish versus relocate.

29 october 2026

Office Relocation Cost: What a London Office Move Really Costs in 2026

Office relocation cost in 2026: every line of a London move in one table, from the fit-out of the new floor to dilapidations, SDLT, removals, IT and overlap rent.

29 october 2026

Office Strip Out in London: Scope, Cost and the Checks Before You Start

What an office strip out removes, the asbestos survey and CDM duties before it starts, and the 2026 cost per sq ft in Central London.

29 october 2026

PBSA Explained: Developing and Refurbishing Purpose-Built Student Accommodation in London

PBSA explained for London investors and landowners: the planning tests, building safety and whether to refurbish an older student block or build new.

29 october 2026

Schedule of Dilapidations: What It Lists, the Timetable and What the Works Cost

A schedule of dilapidations column by column, the 56-day Protocol timetable, published 2026 cost rates and when doing the works beats paying.

29 october 2026

Section 20 Consultation for Major Works: Notices, Timeline and Estimates

The £250 trigger, the 30-day notices, the estimates that must be offered, how leaseholders nominate a contractor and what happens if consultation is skipped.

29 october 2026

Solar Battery Cost in 2026: Alone, With Panels and in a London Home

What a home solar battery costs in 2026 by size, with panels, with the 0% VAT deadline, payback and where a battery can safely go.

29 october 2026

Two-Stage Tender vs Single-Stage Tender: How Each Works and When to Use It

How single-stage and two-stage tenders work, what each fixes and when, and how to keep competition alive once a contractor is chosen early.

29 october 2026

Value Engineering in Construction: How to Cut Cost Without Cutting Quality

What value engineering in construction is, where the savings come from, and what to do when a tender comes in over budget.

27 october 2026

Architect Fees in the UK: How Architects Charge, by RIBA Stage, and What Changes the Number

The three fee models architects use, what you receive at each RIBA stage, what moves the fee, the extras nobody budgets for, and how design and build prices the design against the build cost.

27 october 2026

How a Property Development Joint Venture Works: Explained for Landowners and Investors

Who brings the site, the money and the team, the three common structures, the six stages from appraisal to exit, what the landowner signs and carries, and the red flags before you sign.

27 october 2026

How Long Does Planning Permission Take? The Real 2026 Timescales

The statutory 8, 13 and 16 weeks, what councils actually achieved in 2026, the stages where months disappear and how to shorten a London application.

27 october 2026

Planning Permission Application: How to Get Consent

The developer's route in order: policy check, pre-app, the documents a valid application needs in 2026, consultation and committee, conditions, Section 106 and CIL, and what to do if it is refused.

27 october 2026

How Much Is Land Worth With Planning Permission? The Residual Method, Explained

What land with planning permission is really worth: the residual method in plain words, each line of a London appraisal in 2026, what affordable housing, CIL and abnormal costs take off the price, hope value, and whether to sell, option or promote.

27 october 2026

Outline or Full Planning Permission, or a Certificate of Lawfulness: Which One Your Scheme Needs

Which application your scheme needs: outline and reserved matters, full permission, a certificate of lawfulness for an existing or proposed use, retrospective consent and listed building consent, with the 2026 council fees and time limits.

27 october 2026

Planning Application Fees 2026: Costs and Calculator

Council fees by application type from 1 April 2026, the proposed 8 December rise, what Hounslow and Lambeth charge for pre-app advice, and the costs the fee table hides.

27 october 2026

Principal Contractor vs Main Contractor: What the Difference Means for Your Project

The legal CDM 2015 role against the commercial one, who must appoint whom and when, the regulation 13 duties, the Building Regulations role since October 2023 and what to check before you appoint a London main contractor.

17 october 2026

What Can I Build on My Land in London?

How to find out what your London land could take, which planning route fits, and what it's worth, before you pay for drawings.

17 october 2026

How to Sell Land to a Developer: Steps, Offers and Pitfalls

What to prepare, how developers price your land, which offers to compare and the clauses that quietly cost owners money.

17 october 2026

Option, Promotion Agreement or Joint Venture: Which Suits Your Land?

Three ways to bring land through planning without paying for it yourself, compared on price, control, risk and time.

17 october 2026

Airspace Above Your Building: Who Owns It, What You Can Build and Whether to Sell

Who owns the space above your roof, when you can add storeys without full planning, and whether to sell it or build.

17 october 2026

What to Do With an Empty Office Building in London

Refurbish and relet, convert, extend, redevelop or sell: six options for an empty office building and how to choose between them.

17 october 2026

MEES for Commercial Property: EPC E Today, EPC B by 2031 for Larger Buildings

EPC E is the legal minimum today; EPC B from 2031 is proposed for buildings over 1,000 m². Exemptions, penalties and the works that lift a rating, timed with your next lease event.

17 october 2026

Building on Backland, Garden and Garage Sites in London

London wants homes on small sites. The seven tests a garden, backland or garage-court site has to pass, and how to assemble one.

17 october 2026

Development Appraisal Explained: GDV, Costs and Residual Land Value

GDV, build costs, fees, finance, profit and residual land value, line by line, and why small changes move land prices so much.

17 october 2026

Pre-Application Planning Advice: Is It Worth Paying For?

What pre-app advice gets you, when it's worth paying for, what to send the council and how to read what comes back.

4 november 2026

Mansard Roof: Types, Planning and Cost

What a mansard roof is, its types and pitch, the planning rules in London and under Part 20, and what drives the cost of a mansard on a block or terrace.

4 november 2026

When You Need Prior Approval for Demolition

When demolition needs the council's prior approval in England: Part 11 Class B, the 28-day rule, conservation areas and demolish and rebuild under Class ZA.

4 november 2026

The General Permitted Development Order Explained

The General Permitted Development Order 2015 for developers: the Parts and Classes that matter, prior approval, Article 4 and the 2024 to 2026 amendments.

4 november 2026

Joint Venture Finance for Property Development

How joint venture finance works in property development: equity vs senior debt, how lenders view a JV SPV, who funds what and the profit waterfall.

4 november 2026

Development Feasibility Study: What It Includes and Costs

What a development feasibility study includes, who prepares it, what it costs in time and money, and a sample structure to write or check one.

4 november 2026

Use Classes Explained: The Use Class Order

The use class order in England: every class from B2 to sui generis, what changed in 2020, permitted changes between classes and how to prove a use.

4 november 2026

Sui Generis Use Class: Meaning and Examples

Sui generis meaning in planning: the uses in no use class, large HMOs, changing to or from sui generis, the evidence councils ask for and 2026 fees.

4 november 2026

Land Banking in the UK: How It Works

Land banking in the UK explained: developer land banks vs investor plot schemes, the FCA warning, and how to check a plot before you pay for it.

4 november 2026

Green Belt Map UK: How to Check Land

Use the official Green Belt map to check a site by postcode: MHCLG data, council policies maps, the London Green Belt map, and what the map does not show.

4 november 2026

Green Field Sites vs Brownfield Sites: Key Differences

What are greenfield sites, and how do they compare with brownfield? Definitions, the 2026 NPPF stance, clean-up and tax relief, costs and which to buy.

4 november 2026

What Is Grey Belt Land? The Four Tests

What is grey belt land? How councils assess it, the four NPPF tests and the evidence for each, the Golden Rules affordable housing figures and viability.

4 november 2026

What Is Green Belt Land? Rules and Exceptions

What is Green Belt land? The five purposes, the NPPF 2026 exceptions, grey belt, the Golden Rules, permitted development and the risks of buying it.

4 november 2026

HMO Licence Cost: Fees by Council

What an HMO licence costs in 2026: fees from Brent, Wandsworth, Lambeth and other councils, the Part A and Part B split, renewal fees and the works.

4 november 2026

What Is an HMO? Meaning and Rules

What is an HMO? HMO stands for house in multiple occupation. The meaning, C4 and sui generis use classes, licence types, Article 4 and room sizes.

4 november 2026

Selling a Commercial Freehold or Pub

Selling a commercial freehold or pub in England: freehold or leasehold, ACV listing, viability evidence, selling with planning, tenants, licences and tax.

4 november 2026

How to Sell a Commercial Property Quickly

How to sell a commercial property quickly: agent, auction, direct buyer or joint venture, what each costs, the empty rates clock and what slows a sale.

4 november 2026

Call for Sites: How Landowners Get Land Allocated

How a council's call for sites works in England: the 2026 local plan timetable, what to submit, using a land promoter, and what to do after allocation.

4 november 2026

How to Value Land: Per Acre, Garden, Commercial

How to value land in England: farmland and development land per acre from the 2026 government estimates, garden plots, commercial sites and RICS valuations.

4 november 2026

Bridge Loan vs Development Finance for Property

Bridge loan or development finance for a property development: what each funds, speed and terms, bridge-to-development, exit risks and the lender pack.

4 november 2026

What Is a Planning Application in England?

What a planning application is in England: full, outline, householder, s73 and LDC routes, then validation, consultation, committee and the decision.

4 november 2026

Permission in Principle (PiP) for Small Sites

Permission in principle explained for small housing sites in England: the two stages, who can apply, technical details consent, 2026 fees and timings.

4 november 2026

What Is Town Planning? How the System Works

What is town planning? How England's plan-led system works: the local plan and the NPPF, who decides applications, the stages, and where consultants fit.

4 november 2026

Do I Need Planning Permission?

Do you need planning permission in England? What counts as development, permitted development and Class MA, change of use, listed buildings and the LDC.

4 november 2026

How Long Does Planning Permission Last?

How long planning permission lasts in England: the three-year limit, outline and reserved matters, what counts as a start, renewal and risk on a purchase.

4 november 2026

How to Check Planning Permission on a Property

How to check planning permission on a property or site: the council register, old consents, conditions, expiry, lawful use and what a buyer should verify.

4 november 2026

Town and Country Planning Act 1990 (TCPA) Explained

The Town and Country Planning Act 1990 for developers: s57 permission, s73 changes, s106 obligations, s171B enforcement time limits and s215 notices.

4 november 2026

NPPF 2026: What It Means for Developers

What the NPPF 2026 changes for developers: the presumption in favour, five-year supply, grey belt, brownfield and density, viability and how officers apply it.

27 october 2026

Commercial to Residential Permitted Development: How Class MA Works in London

Which Class E buildings qualify, the nine prior approval matters, the 56 days, 2026 council fees, Article 4 areas, and what the consent leaves to the build.

20 october 2026

Scope of Works in Construction: Why Every Contractor Must Price the Same Tender Pack

What a scope of works is, why every contractor must price the same tender pack, what to put in it, and how gaps in scope come back as extras.

20 october 2026

Buying Land With or Without Planning Permission: Risk, Value and What to Check

The price, the risk, the time and the checks that decide whether land with or without planning permission is the better buy.

20 october 2026

Development Viability: Why Planning Permission Does Not Mean a Site Will Make Money

Why a consented scheme can still lose money: designs drawn for planning, conditions, obligations, new safety rules and time limits.

20 october 2026

Development Site for Sale? Why the Agent's Numbers Rarely Match the Real Ones

Why a sales pack looks better than the real numbers, the six gaps to find, and how to cost a development site before you bid.

20 october 2026

Property Investment Scams in the UK: Why Investors Buy Schemes That Can Never Be Built

The FCA warning signs, land banking, unregulated schemes, and why honest developments fail when nobody checked the build cost.

20 october 2026

Due Diligence When Buying Land for Development: The Checklist We Use

The legal, planning, technical and cost checks to make before you exchange on development land, in the order we run them.

20 october 2026

Abnormal Costs in Construction: Why Real Build Costs Kill Development Deals

The site-specific costs a standard build rate leaves out, the ones that break land deals in London, and how to find them before you buy.

20 october 2026

Why Construction Projects Go Over Budget, and How to Stop It Happening to You

Where the overrun really comes from, what Treasury guidance says about optimism bias, and the checks that close the gaps before you sign.

20 october 2026

Builder Overcharging: How Contractors Win on Price and Make It Back

How a low tender is won and the margin made back after you sign, why each tactic exists, and the fix you can put in place before you pay.

20 october 2026

Your Builder Is Asking for More Money: What to Do, Step by Step

How to tell a fair price rise from an unfair one, your rights as a homeowner and what to do next, step by step.

20 october 2026

Why Builders' Quotes Vary So Much, and How to Compare Them Like for Like

Why three quotes for the same drawings can be tens of thousands apart, what each one leaves out, and how to level them before you choose.

20 october 2026

Variations in Construction Contracts: How Prices Grow After You Sign

Why changes after signing cost more than the same work at tender, how variations are valued, and a simple process and register that keep them under control.

20 october 2026

Provisional Sums in Construction: The Gaps Hiding in Your Quote

Provisional sums are allowances, not prices. How they differ from prime cost sums and contingency, and how a low allowance moves the risk back to you.

20 october 2026

Your Builder Walked Off the Job or Went Bust: What to Do Now

What to do in the first 48 hours, how to tell if the firm has gone bust, what you can recover and how to get the job finished.

20 october 2026

Construction Adjudication Process in the UK: A Client's Guide

When adjudication applies, the payment and pay less notices that decide most disputes, the 7 and 28 day timetable, costs and the records that win.

20 october 2026

Why Is Construction So Expensive in the UK? Where Every Pound Goes

Where the money in a building price really goes, from skilled labour and steel to London site costs and the price of an unclear brief.

20 october 2026

How Much Contingency Should a Construction Project Have? A Guide by Stage

Why a flat percentage is wrong, how contingency should shrink stage by stage, who should hold it and how to spend it without losing control.

20 october 2026

How Much Deposit Should a Builder Ask For, and How to Pay Safely

Why there is no fixed deposit figure, when a large deposit is fair, how to tie it to ordered materials and how to protect your money.

20 october 2026

Why Are Builders So Unreliable? A Builder Explains What Goes Wrong

The cash flow, skills shortage and expectation gap behind unreliable builders, and the questions that separate a reliable one before you sign.

20 october 2026

Development Management Agreement: How to Work With a Development Manager

How to work with a development manager: the services schedule, decisions you keep, what each reward makes a manager want, conflicts and how to get out.

20 october 2026

How to Choose an Architect, Interior Designer or Design and Build Firm in London

The checks for an architect, an interior designer or a design and build firm, the budget question nobody asks, and a five-step way to choose.

20 october 2026

Retention in Construction (UK): How It Works and What the Proposed Ban Means

How retention works, why clients hold it, what happens when a firm fails, and where the proposed retention ban stands in 2026.

20 october 2026

Cost Plus Contracts in UK Construction: Why the Lowest Tender Often Costs More

How tenders are really won and recovered, how cost plus, target cost and GMP contracts work, and our example of a contractor sharing the development risk.

17 october 2026

Building Safety Act: Gateway 2 and the Second Staircase Rule for London Developers

Gateway 2 timescales in practice, the second staircase rule from 30 September 2026 and the Building Safety Levy, for 18 m+ schemes.

17 october 2026

CIL and Section 106 Explained: What London Developers Pay and When

How CIL is calculated and paid, what Section 106 can ask for, and London's 2026 affordable housing and CIL relief routes.

17 october 2026

Biodiversity Net Gain for Small Sites: What Changed in August 2026

Most sites of 0.2 ha or less are now exempt from BNG. What still applies to small London sites and how to plan for it.

17 october 2026

The Party Wall Act for Developers: Notices, Awards and Programme

Which works need notice, the 1 and 2-month periods, awards, surveyors' fees and keeping a London programme on track.

17 october 2026

Right to Light: A Guide for London Developers

How rights of light arise, why planning consent doesn't override them, and how developers test, release and design around them.

17 october 2026

Build to Rent in London: A Developer's Guide to Planning, Design and Delivery

London Plan H11, affordable housing routes in 2026, the Renters' Rights Act and what build to rent changes in design and delivery.

17 october 2026

Planning Appeals in London: A Guide for Owners and Developers

Deadlines, the no-new-evidence procedure from April 2026, real timescales, costs, and when to resubmit instead of appealing.

17 october 2026

Nationally Described Space Standards for Flats: The London Rules

Minimum flat sizes, bedroom and storage rules, London's 2.5 m ceilings and outdoor space, and how they decide a scheme.

17 october 2026

Class E Use Class Explained: What It Covers and What It Doesn't

What Class E covers, what sits outside it, when you can switch uses without planning permission and what still needs consent.

17 october 2026

Pre-Construction Services Agreement (PCSA): A Developer's Guide

What a PCSA is, what the contractor should deliver, the terms that protect you, and when a two-stage tender is worth it.

17 october 2026

Best Office Fit-Out Companies London: How to Choose

The 7 checks that separate office fit-out companies, how national firms, boutiques, builders and design studios compare, and when we are not the right choice.

17 october 2026

Best Commercial Fit-Out Contractors London: How to Choose

Six criteria for choosing a commercial fit-out contractor in London, how sector specialists, main contractors and builders compare, and where we fit.

17 october 2026

Best Restaurant Fit-Out Companies London: How to Choose

Extraction, kitchen services, landlord packs and opening dates: how to judge a restaurant fit-out company in London, and where we are and aren't the right call.

17 october 2026

Best Design and Build Contractors London: How to Choose

Who carries the design risk, the 7 checks that matter, how national contractors, builders and design-led firms compare, and where we fit for developers and occupiers.

17 october 2026

Best Warehouse Fit-Out Contractors UK: How to Choose

Racking specialists, industrial builders, office fit-out firms or a design and build contractor? How to choose for a live warehouse, and where we fit.

17 october 2026

Best Commercial to Residential Contractors: How to Choose

Builder, development manager or developer-partner? The 7 checks for an office-to-residential conversion contractor, and an honest view of where we fit.

17 october 2026

Best Construction Project Management Firms: How to Choose

Independent PM, QS-led, architect-led, contractor-led or development manager? Six checks for choosing a construction project manager in London, and where we fit.

17 october 2026

Best Property Development Partners London: How to Choose

Seven criteria, five types of partner compared side by side, and an honest view of where Craftex fits and where it doesn't.

17 october 2026

Best Land Promoters for UK Landowners: How to Choose

Promoter, strategic land company, housebuilder or development partner? Six tests for landowners, compared side by side.

17 october 2026

Best Planning Consultants for Developers: How to Choose

Independent consultancy, multidisciplinary firm, architect-led or a development partner? Six criteria developers use to choose.

17 october 2026

Best Airspace Development Companies London: How to Choose

Specialist airspace buyers, modular rooftop firms, builders or a development partner? Seven checks for freeholders, compared.

17 october 2026

Best Data Centre Construction Companies in the UK: How to Choose the Right Contractor for Your Size of Facility

Hyperscale specialist, M&E contractor, modular vendor or design and build fit-out? Seven criteria by size of facility.

17 october 2026

Best Clinic Fit-Out Companies in London: How to Choose One That Gets You Open and Registered

Specialist healthcare fit-out, equipment supplier package, designer plus builder or design and build? Seven criteria for clinics.

17 october 2026

Best Interior Designers in London: 8 Checks

Eight checks to compare interior designers for a prime London home: finished rooms, cost held during design, joinery, finishes and the building.

18 october 2026

Office Furniture Fit-Out: How to Plan, Specify and Install It

What an office furniture fit-out covers, why furniture decides power, data and lighting, the HSE rules, tax relief and how to sequence it.

18 october 2026

Industrial Fit-Out: How to Fit Out an Industrial Unit Without Losing Months

Use class, landlord consent, offices and welfare, racking, power and fire safety: how an industrial unit fit-out is planned and delivered.

18 october 2026

Landlord Fit-Out Contributions: How Tenant Incentives Really Work

Rent-free, capital contribution or landlord's works: how fit-out incentives are negotiated, paid and taxed, for tenants and landlords.

18 october 2026

Construction Logistics Plans in London: What Developers Must Plan For

Outline and detailed CLPs, London Plan T7, CLOCS, Direct Vision permits and NRMM rules: how construction logistics is planned on a London site.

18 october 2026

The JCT Design and Build Contract 2024: A Client's Guide

Employer's Requirements, design liability, payment, extensions of time and the 2024 changes: how the JCT DB contract works for clients.

18 october 2026

Overage Clauses Explained: How Landowners Share in Future Uplift

Triggers, calculation, security, tax and drafting traps: how an overage clause lets a landowner share in value created after the sale.

18 october 2026

The Brown Discount: How Inefficient Buildings Lose Value, and What Owners Can Do

Why energy-inefficient commercial buildings trade at a discount, how stranding risk is measured, and the owner's options before 2031.

18 october 2026

Converting a House into Flats in London: Planning, Rules and Process

Planning permission, borough 130 m² rules, space standards, Building Regulations, CIL and 5% VAT: converting a London house into flats.

18 october 2026

The Employer's Agent Role: Duties, Limits and Fees

What an Employer's Agent does under a JCT design and build contract, how the role differs from a PM or monitoring surveyor, and how to appoint one.

18 october 2026

Showroom Fit-Out in London: From Consents to Opening Day

Use class, shopfront and signage consent, lighting, power, floors and programme: how a London showroom fit-out is planned and delivered.

17 october 2026

VAT on Commercial to Residential Conversions: The 5% Rate, the Zero Rate and Getting VAT Back

How VAT works when you convert offices, shops or pubs into homes: the 5% building rate, the zero-rated first sale, getting VAT back and the option to tax.

17 october 2026

Capital Allowances on Commercial Property: What Investors and Owners Can Claim in 2026

Capital allowances on commercial property in 2026: plant and integral features, full expensing, the new 40% allowance, SBA and fixtures when you buy.

17 october 2026

Stamp Duty for Property Investors in 2026: Rates, Surcharges and the Reliefs That Remain

SDLT for property investors in 2026: the 5% surcharge, 17% company rate, 2% non-resident surcharge, commercial and mixed-use rates, and what replaced MDR.

17 october 2026

Buying UK Property Through a Company or SPV: How the Tax Really Compares in 2026

Company or personal name? How SPVs are taxed in 2026: corporation tax, full interest relief, ATED, the 17% stamp duty rate, dividends and when it suits.

17 october 2026

UK Property Tax for Non-Resident Investors: Income, Gains, Stamp Duty and Reporting

How the UK taxes overseas investors in property: rental income, the non-resident landlord scheme, gains and 60-day returns, stamp duty surcharge and IHT.

17 october 2026

Inheritance Tax, Property and Family Offices: What Changed on 6 April 2026

Inheritance tax and property after 6 April 2026: the £2.5m BPR allowance, why rental property rarely qualifies, development companies, FICs and trusts.

17 october 2026

The 5% VAT Rate for Renovating Homes Empty for Two Years: How It Works

Renovating a home empty for two years or more? The builder can charge 5% VAT instead of 20%. Who qualifies, the evidence HMRC wants and what stays at 20%.

17 october 2026

Land Remediation Relief: How Companies Get 150% Relief on Contaminated and Derelict Land

Land Remediation Relief gives companies a 150% deduction for cleaning up contaminated or derelict land. Who qualifies, what counts and the 2026 reform.

17 october 2026

Freeport and Investment Zone Tax Reliefs for Property: Which Still Apply in 2026

Which Freeport and Investment Zone tax reliefs still apply in 2026: SDLT relief, 10% SBA, 100% capital allowances, rates and NICs, with the deadlines.

17 october 2026

Trading or Investment? How Property Development Profits Are Taxed in the UK

Is your property profit a trading profit or a capital gain? The badges of trade, the transactions in UK land rules, 2026 rates and what each means for tax.

17 october 2026

Family Office Property Development in London: How the Routes Compare

How family offices develop property in London: direct, joint venture, forward funding or development management, with governance and planning explained.

17 october 2026

Value-Add Commercial Refurbishment: A Strategy Guide for London Owners

A value-add refurbishment buys a tired commercial building, improves it and re-lets it. The levers, the risks and the build decisions that matter.

17 october 2026

How Development Finance Works for Property Developers

How development finance works when funding a property development: the capital stack, loan sizing, monthly drawdowns, costs, exits and what lenders check.

17 october 2026

Development Management Fees Explained: How Development Managers Get Paid

How development managers charge: fixed fees, percentage fees, retainers, success fees and profit shares, what each includes and what to ask first.

17 october 2026

How to Choose a Property Development Partner: 9 Checks Before You Commit

Choosing a property development partner: the checks on track record, money, team and terms, the questions to ask and the red flags to walk away from.

17 october 2026

Property Development Joint Venture Agreement: The Key Terms Explained

The key terms of a property development joint venture agreement: structure, contributions, profit waterfall, reserved matters, deadlock, default and exit.

17 october 2026

Development Monitoring Surveyor Explained: What They Check and Why It Matters

What a development monitoring surveyor does for a lender or investor: the initial report, monthly drawdown checks, what contractors provide, who pays.

17 october 2026

Business Rates on Empty Commercial Property: Reliefs, Exemptions and Your Options

Empty commercial property in England pays full business rates after 3 months (6 for industrial). The reliefs, exemptions and real options for owners.

17 october 2026

Licence for Alterations Explained: What Tenants Need Before a Fit-Out

When your lease needs one, what the landlord can ask for, how long it takes and how to stop it delaying your fit-out.

17 october 2026

CDM 2015 Client Duties on a Fit-Out: A Plain Guide for Business Owners

Paying for a fit-out makes your business the CDM client. The duties, the paperwork and when to notify HSE.

17 october 2026

Building Regulations for an Office Fit-Out: What Applies and When You Need Approval

When an office fit-out needs building control, which parts apply (fire, energy, access, toilets) and what changes in 2027.

17 october 2026

Dilapidations Explained: What Commercial Tenants Owe at the End of a Lease

What a landlord can claim at lease end, how the protocol works, the legal cap on damages and how to keep the bill down.

17 october 2026

Pub Refurbishment in London: What to Plan Before You Close the Doors

Consents, premises licence changes, heritage traps and programme for refurbishing a London pub, from a real 10-week job.

17 october 2026

Hotel Refurbishment in London: A Practical Guide for Owners and Operators

Soft vs hard refurbishment, staying open floor by floor, fire and access rules, consents and programme for London hotels.

17 october 2026

Warehouse Mezzanine Floor Regulations: Planning, Building Control and Safety

When a warehouse mezzanine needs planning or building control, and the fire, structure, guarding and access rules that apply.

17 october 2026

Clinic Fit-Out and CQC Requirements: What Your Premises Must Deliver

What CQC expects from clinic premises, how Regulation 15 shapes the fit-out, and the London licences to check before you sign.

17 october 2026

Design and Build vs Traditional Procurement: Which Suits Your Project?

How each route works, who carries the design risk, cost certainty and speed, and when each one is the better choice.

27 august 2026

How Much Does a Commercial to Residential Conversion Cost?

Find out the key costs of commercial to residential conversion, including planning, construction, fees and finance. Budget accurately and plan your project.

26 august 2026

9 Commercial to Residential Conversion Trends in the UK

9 Trends reshaping commercial to residential conversion across the UK in 2026, from Class MA changes to Article 4 pushback and co-living demand.

20 august 2026

10 Benefits of Commercial to Residential Conversions

Learn 10 benefits of commercial to residential conversions, including added housing, rental income and property value. Read the guide and plan your project!

20 july 2026

12 Mistakes to Avoid During a Commercial to Residential Conversion

Avoid costly commercial to residential conversion mistakes. Learn the 12 most common pitfalls and plan your project with confidence. Read the guide today!

15 july 2026

Commercial to Residential Conversion: A Guide on How It Works

Learn how commercial to residential conversion works, from planning and costs to approvals and construction. Read our complete guide for expert insights!

30 june 2026

What Is Commercial Construction? Everything You Need to Know

Learn what commercial construction involves, from fit-outs to large projects. Understand the process, key stages, and planning factors. Read the guide today!

09 june 2026

Luxury vs Modern Home Architecture: What's the Difference?

Compare luxury and modern home architecture, from design elements and materials to functionality and aesthetics. Find the perfect style for your dream home.

07 may 2026

Top 10 Features of Luxury Home Architecture

Planning your dream luxury home? Explore the top 10 architecture features crafted for comfort, elegance, smart design, and modern living. Read full guide!

16 april 2026

How to Choose Premium Materials For a Luxury Home Architecture?

Choose premium materials for luxury home architecture that balance durability, aesthetics, and function. Get expert guidance to plan your project today!

10 april 2026

15 Common Mistakes to Avoid in Luxury Home Planning

Avoid costly luxury home design mistakes London homeowners make—fix flawed plans, avoid budget blind spots, & build smarter. Start your dream home right today!

09 april 2026

Luxury Home Architecture: Trends, Layouts & Key Elements Explained

Explore luxury architecture in London homes, from layouts and materials to design principles that set great homes apart from expensive ones. Learn more.

05 february 2026

On-Time & On-Budget: Project Management in London Construction Projects

Worried about construction delays or budget overruns? Strong project management—from planning to fixed-price contracts—keeps London projects on track!

02 february 2026

Commercial Refurbishment & Change-of-Use in London: Ensuring a Smooth Transformation

Changing a shop into an office or upgrading an old space? Expert planning and project management make London commercial refurbishments run smoothly.

27 january 2026

Maximizing Warehouse Potential: Fit-Outs & Conversions in London

Transform underutilised warehouses into high-performing assets. Learn how our London-based design and build team delivers fit-outs on time and on budget.

07 january 2026

Warehouse Fit-Out vs Renovation: Which Is the Better Option?

Fit-out or renovation for your warehouse? Compare cost, flexibility and long-term value to decide which option suits your building and operation.

02 january 2026

What is Construction Project Management? A Detailed Guide

Struggling with complex construction projects? See how construction project management turns challenges into success with smart planning. Read more our blog!

29 december 2025

Building Fit-Out Contractor vs. General Contractor: Key Differences

Learn the key differences between a fit-out contractor and a general contractor to select the right partner for your construction project. Read more now!

27 november 2025

How Commercial Refurbishment Works?

Step-by-step guide to commercial refurbishment. From survey to completion. Understanding the process, timeline, and key milestones.

20 november 2025

What Fit Out Companies Does? 10 Tips for Choosing the Best One

Understanding fit-out companies and their services. 10 tips for choosing the best partner for your commercial or residential project.

14 november 2025

Office Space Planning vs Office Design: What’s the Difference?

Space planning decides how your office works; design decides how it looks and feels. What each covers, when you need it and how they work together.

13 november 2025

10 Tips to Choose the Right Commercial Contractor

Choose the right commercial contractor with expert tips on experience, reputation, costs, and project planning to avoid mistakes. Read the complete guide today!

07 november 2025

What Are Three Considerations in Space Planning?

Functionality, flow and aesthetics: the three considerations behind every good space plan, and how to apply them to offices and commercial spaces.

06 november 2025

Tips to Design a Commercial Space in London

Learn essential tips to design a commercial space in London with smart layout planning, lighting, & interiors to create a functional business space. Read more!

03 november 2025

Construction Project Planning: A complete guide

Plan construction project planning with confidence using our complete guide to budgeting, scheduling, risk management and delivery. Read our expert guide today!

25 october 2025

Common Types of Commercial Building Construction: A Full UK Guide

Offices, warehouses, retail, healthcare and mixed-use: the main types of commercial building construction in the UK and what each one involves.

23 october 2025

What Does a Commercial Contractor Do? Full Guide

Learn what a commercial contractor does, their key responsibilities, and how they manage projects from planning to completion. Read the full guide now!

15 october 2025

What is a Warehouse Fit-Out: A Beginner’s Guide

What a warehouse fit-out is, what it involves, the main fit-out options and what affects cost: a clear beginner's guide for UK businesses.

09 october 2025

Cat A vs Cat A+ vs Cat B Fit Out: Understanding the Key Differences

What is included in Cat A, Cat A+ and Cat B office fit-outs, from layout and partitions to furniture and infrastructure, and which one your business needs.

07 october 2025

What Is Warehouse Layout Design & Planning? A Complete Guide

A complete guide to warehouse layout design and planning, covering space optimisation, workflow improvement and efficient warehouse operations. Learn more!

04 october 2025

Office Relocation & Fit-Out Checklist for UK Businesses

A month-by-month office relocation checklist for UK businesses: project team, budget, property checks, Cat A/B fit-out, IT migration and the move itself.

01 october 2025

Commercial Space Planning: Why Your Business Can’t Ignore It

What commercial space planning is, where it applies and how it cuts wasted floor space in offices, retail, hospitality and warehouses. A practical UK guide.

30 september 2025

10 Workspace Design Factors Every London Business Needs

Learn key workspace design factors every London business needs to improve productivity, comfort, & efficiency. Read the blog & upgrade your workspace today!

29 september 2025

10 Main Types of Office Layout

Open plan, cubicle, private office and more: 10 office layouts compared with pros, cons and best uses to help you choose the right one for your team.

26 september 2025

10 Common Problems During Office Design & Fit Out

Get practical advice to avoid common office design and fit-out mistakes, improve planning, manage budgets and create efficient workspaces. Read our blog today!

24 september 2025

10 Smart Tips to Design Sustainable Offices

Transform your workplace with sustainable office design tips covering green materials, energy savings and employee wellbeing and green tip. Read our blog!

19 september 2025

Top 15 Trending Office Design Ideas for Your Workplace

15 office design trends for 2026: biophilic design, hybrid work zones, wellness rooms and smart tech, with practical ideas for planning a modern office space.

19 september 2025

What are the Different Types of Office Fit Out?

The 4 office fit-out categories explained: what Shell & Core, Cat A, Cat A+ and Cat B include, and how to choose the right one for your lease and team.

10 september 2025

Office Fit Out Cost 2026: Price per sq ft in London & the UK

Office fit-out costs in London for 2026: about £88/sq ft basic, £128 mid-range and £183+ high spec, with example budgets, Cat A vs Cat B and hidden costs.

30 june 2025

Are tech-ready spaces worth it? Only if you like future-proofing

The ROI of tech-ready commercial spaces. Smart building integration, connectivity, and flexible infrastructure for future tenants.

30 june 2025

Why investors are targeting logistics hubs in the UK property market

Why investors are targeting UK logistics hubs. Market analysis, location strategy, and construction opportunities in the booming industrial sector.

30 june 2025

Energy Efficiency In Data Centres – Construction Best Practices

Building sustainable data centres. Cooling solutions, green energy integration, and PUE optimization strategies for UK data infrastructure.

09 june 2025

How AI Is Reshaping Warehouse Design & Construction

How AI is transforming warehouse design. Automation integration, smart logistics planning, and efficiency optimization for modern industrial spaces.

04 june 2025

The Future of Commercial-to-Residential Conversions in Greater London

Expert guide to converting commercial property to residential in London. Planning permission, structural changes, and maximizing ROI with Craftex.

19 may 2025

Top 3 Trends in UK Data Centre Construction for 2025 and Beyond

Top trends in data centre construction: sustainability, cooling efficiency, and security. Future-proofing infrastructure for the AI era.

03 february 2023

House renovation in London: Challenges and understanding

Navigating London renovations: planning permission, listed buildings, and logistics. How Craftex manages complex residential projects.

03 february 2023

The advantages of hiring an experienced interior fit-out company in London

The value of experience in London fit-outs. Mitigating risks, navigating regulations, and ensuring on-time delivery with a systems-first approach.

02 february 2023

Why inclusive office design is essential for the London workforce

Why inclusive design matters for the London workforce. Creating accessible, neurodiverse-friendly spaces that support employee wellbeing.

02 february 2023

Is your office design holding you back?

Signs your office design is limiting growth. How space planning, lighting, and workflow optimization can transform business performance.

19 january 2023

Useful office design tips from the experts

Professional office design advice from Craftex experts. Optimize layouts, improve acoustics, and integrate M&E systems for a better workplace.

19 january 2023

How to achieve an inspiring home office design

Create the perfect home office. Design tips for lighting, ergonomics, and productivity. Bespoke joinery and space planning for London homes.

20 december 2022

Finding The Right Commercial Fit Out Companies in London: It's Easier Than You Think!

Guide to selecting the right commercial fit-out partner. Key factors: systems-first methodology, financial stability and delivery track record.

Eco-Friendly Design Ideas for Luxury Homes Architecture

Sustainable luxury home architecture with eco-friendly materials, modern design ideas, and energy-efficient living concepts. Read full guide today!

Why flexible commercial construction spaces are fueling the next startup boom

Designing flexible offices for scaling startups. Agile layouts, breakout zones, and scalable infrastructure to support rapid business growth.

Lessons from bold commercial property redevelopment & repurposing projects

Explore Craftex completed projects: Portsoken House Aldgate, Kensington Olympia Penthouse, Beaumont House. Commercial and residential excellen...

Retail Fit-Out in London: A Practical Guide for Shops and Flagship Stores

Planning a shop or flagship fit-out in London? Landlord licence, shopfront planning, live-trading refits and cost drivers, with a real Savile Row example.

Quality in Construction Production

Analysis of rising construction labour and material costs in London. Expert insights on budgeting, procurement, and value engineering for your project.