Areas we cover

Design & Build in Kensington & Chelsea

High-spec extensions, loft conversions and townhouse refurbishments for SW3, SW7, W8 and RBKC mews properties — with planning, heritage and access handled by us.

Heritage, licence-to-alter & access-friendly programmes

Perfect for mews houses, mansion flats & basements

Tell us about your K&C project

We’ll call you back with cost ranges & timescales.

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Typical response time: same day.

4.9/5
Client Rating
10-Year
Workmanship Warranty
Fixed
Price Contracts
RBKC
Council Experience

What we build in Kensington & Chelsea

High-end design & build for prime London homes — glass extensions, lofts, basements and luxury interior refits.

Glass & rear extensions

Contemporary rear additions with crittall-style glazing & premium kitchens.

Typical: from £85,000

Loft conversions

Mansard & dormer lofts to add bedrooms, study or master suite.

Typical: from £60,000

Full refurbishments

Luxury townhouse and mansion flat renovations with joinery.

Typical: POA

Free RBKC site visit

We confirm planning/heritage route, access and budget.

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Why Kensington & Chelsea homeowners choose Forge Build

RBKC projects need careful sequencing — parking, deliveries, listed status, neighbours and access windows. We build your programme around that.

  • RBKC planning, heritage & licence-to-alter guidance
  • Fixed-price proposals after survey
  • High-end finishes, joinery & MEP upgrades
  • 10-year workmanship warranty

Typical K&C costs

  • Glass / rear extensionfrom £85,000
  • Mansard loft conversionfrom £60,000
  • Mansion flat refurbPOA
  • Heritage / RBKC packOn request

*Final price depends on access, heritage, services upgrades and interior specification.

Recent work near Kensington & Chelsea

These are real Forge Build projects in London. Click to view full details on our projects page.

Ready to start in Kensington & Chelsea?

We can confirm access, costs and programme on a quick call.

FAQs – Kensington & Chelsea

Do you handle RBKC planning, heritage and licence-to-alter?

Yes. We routinely work with RBKC, prepare drawings and where needed heritage statements. We can also help you navigate freeholder / mansion-block approvals.

Are your quotes fixed for Kensington & Chelsea projects?

Yes. After survey we issue a fixed-price proposal with a clear programme, access notes and milestone payments.

Which parts of Kensington & Chelsea do you cover?

We cover Kensington, Chelsea, South Kensington, Earl’s Court, Holland Park, SW3, SW5, SW7 and W8.

Other Areas We Cover

Not listed? Call us to check: 020 3355 6146