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About
Build Team

London extension specialists since

2007

London projects, most of them Victorian and Edwardian terraces in south and west London.

1750+

Build Team storefront, 342 Clapham Road

The Team

Architects, architectural designers and build managers working in-house with engineers and surveyors. Most of us are based at 342 Clapham Road, SW9.

Our story, in dates

2007 Build Team founded by Dan Davidson as a sole trader

2010 Incorporated as Build Team Holborn Ltd

2013 First 100 extensions completed

2015 Channel 4 Grand Designs feature

2017 500-Project Milestone

2019 Build Management formalised

2022 1,000 projects · Dulwich Hamlet FC sponsor

2024 PriceLock pricing model launched

2026 1,750+ projects· 19 years in London

More

How We Work

Specialist

Victorian and Edwardian terraces, side returns, lofts. The houses we know.

Flexible

Design only. Design & Build. Or build only, from your own architect's drawings.

Honest with cost

Fixed-fee design from £2,995 +VAT. Build costs in writing before you commit.

In writing

A 3-year structural guarantee and 2 years' defects liability.

Where we've been written about

Three ways to start

I just want the design

Drawings, planning prep, building regs & structural engineering. You take it from there, or engage us later for the Build.

From £3,995 +VAT
Design Phase

Our most common route

I want both

Design and Build. Fixed pricing from the start, the same team and one contract.

I’ve got drawings already

Send them over.
We'll quote the build inside three working days.

Build Phase

Book a consultation 020 7495 6561

342 Clapham Road, SW9. Mostly across SW, SE, W & NW postcodes. Build Team Holborn Limited, Companies House #07249621, incorporated 11 May 2010 (operating as a sole trader prior).