The Best Commercial Solar Installation Services London

We work with businesses across London to plan and install commercial rooftop solar panels that deliver long-term performance. Whether for warehouses, offices, or retail spaces, Craftex ensures a smooth process with minimal disruption.

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Our Expertise in Commercial Solar Installation

At Craftex Design & Construction, we deliver complete solar solutions for commercial spaces — from planning to installation — helping businesses reduce energy costs and transition to clean, reliable power.

As experienced commercial solar installers, we ensure every project is designed for maximum efficiency and long-term value.

Solar PV Design & Engineering

We carry out site assessments and create custom system designs based on your building layout, energy usage, and future requirements.
Roof-Mounted & Ground Solar Systems

Our team installs solar panels on flat or pitched rooftops, as well as ground-mounted systems where roof space isn’t suitable, ensuring safety and compliance.
Battery Storage Integration

We offer integrated battery storage options to help businesses store unused solar energy for later use, improving energy efficiency and resilience.
Grid Connection & DNO Approvals

We handle all paperwork and coordination with the Distribution Network Operator (DNO), making sure your system is connected to the grid and ready for export.
System Monitoring & Maintenance

Our service includes ongoing support, system checks, and performance monitoring to ensure your solar setup continues to deliver value over time.
EV Charging & Renewable Integration

We provide end-to-end EV charging point installations and integrate them with your solar system—offering sustainable energy solutions that future-proof your business and reduce carbon footprint.

How We Work (Process)

Case studies

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Banbury Warehouse I Oxfordshire

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Portsoken House I Aldgate, London

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Portsoken House Reception I Aldgate London

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Beaumont House I West Kensington, London

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Why 150+ Businesses Chose Craftex and Keep Coming Back?

Fixed Price + Delay Penalties

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Design & Build Under One Roof

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Snag-Free Handover — Backed by Clients

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Built-In Reliability: Processes, Guarantees, Proof

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Faster Turnarounds Than Competitors

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Zero Downtime Fit-Outs

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🧠 Built-in reliability = Lower risk, zero surprises.

QA checkpoints, warranties, and full insurance — backed by 150+ repeat clients. Our standards are documented and reproducible, not just slogans.

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🧠 No shutdowns = No lost revenue.

We build around your operations — night shifts, weekends, and tailored programmes to avoid disruption.

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🧠 Predictable spend = Easier sign-off + no stress.

We work on lump-sum contracts with clear scope. Most of our projects finish ahead of schedule — and that’s not just talk: our 5-star reviews prove it.

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🧠 Speed = Faster ROI on your space.

70% of our labour is in-house. That means less waiting, tighter control, and faster delivery than typical subcontractor models.

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🧠 One point of contact = Total accountability.

One team from concept to handover — no gaps, no miscommunication, no finger-pointing.

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🧠 Quality-first = No time or cost wasted on rework.

We don’t leave site until everything is done right. Our PMs run weekly QA checks and all snags are fixed before you even notice them.