Rear & side extensions
Glass or brick rear extensions for period properties.
Typical: from £70,000
Recent work near Westminster
These are real Forge Build projects in London. Click to view full details on our projects page.
Areas we cover
Extensions, lofts and high-end refurbishments across Westminster, Belgravia, Pimlico and Marylebone. We handle planning, Building Control, and logistics for prime Central London homes.
Experience in listed & conservation properties
Familiar with mansion blocks & concierge procedures
We’ll call you back with cost ranges & timescales.
Design & build for listed townhouses, mansion blocks & mews homes across W1 & SW1.
Glass or brick rear extensions for period properties.
Typical: from £70,000
Mansard & dormer lofts for Central London townhouses.
Typical: from £55,000
Luxury refurbishments for mews, penthouses & listed homes.
Typical: POA
Planning, heritage & logistics advice included.
Book nowWe manage planning, concierge access, deliveries and Building Control for Central London homes where logistics matter most.
*Final cost depends on access, structure & spec.
These are real Forge Build projects in London. Click to view full details on our projects page.
We can confirm access, cost & programme in a quick call.
Yes, we regularly submit heritage applications to Westminster Council for listed and conservation properties.
Yes. After we’ve visited and confirmed access/scope, we issue a fixed-price proposal with milestone payments — ideal for mansion blocks and townhouses.
We do. We coordinate delivery windows, lift protection, noise windows and Building Control so the project runs smoothly.
Not listed? Call us to check: 020 3355 6146
