Years of disrepair, blocked openings and unverified past alterations left the true condition unclear.
The corner plot sits opposite two Grade II listed buildings, under strict planning oversight.
A basement too low to inhabit and a roof space left entirely unused limited the building's potential.
Maximising the number of apartments risked compromising the building's historic character.
A full structural survey established a safe, verified baseline before any design option was developed.
Window proportions, roofline and materials were matched to neighbouring buildings on both streets.
Options ranged from no intervention to full basement excavation and roof conversion, giving real choice.
Each design was cross-checked against Westminster City Plan and London Plan space standards.