Most of what we build, nobody sees.
Basements, underpinning and structural works for London houses, for homeowners, developers and main contractors.
James QuinnProgramme control and financial oversight
Gary WinterSite operations
On site
Eaton Place, Belgravia, from the hoarding to the new structure.
The work
Every job, in one list.
Where the house is, what we built, who designed it and who finished it. Open a row to see the photographs.
Eaton Place
Belgravia SW1Strip-out and structural worksArchitect—Finished by—
Full renovation works on a house in Belgravia, on the Grosvenor Estate: the hoarding, the strip-out back to brick and timber, and the new structure going in.
Read the projectVicarage
KensingtonStructural worksArchitectIcon ArchitectsFinished byExtend Bespoke
The structural works for a 3,500 sq ft Kensington townhouse, replanned floor by floor and extended at the rear to Icon Architects' design.
Read the projectChipstead
Parsons Green SW6New basement, more than 90 m²ArchitectMalin & LynnFinished byExtend Bespoke
A basement of more than 90 m² dug under a four-storey house on the Peterborough Estate, to Malin & Lynn's design. Extend Bespoke built the rest of the house.
Read the projectBowerdean
Fulham SW6Basement guest and family floorArchitectEMR ArchitectureFinished byExtend Bespoke
A basement guest and family floor under a Victorian terrace in the Peterborough Conservation Area, Fulham, with a lightwell stair.
Read the projectChiddingstone
Fulham SW6Full basementArchitectMalin & LynnFinished byExtend Bespoke
A full basement under a mid-terrace Victorian house on the Peterborough Estate in Fulham, reached by its own staircase under a rooflight.
Read the projectHoward's Lane
Putney SW15Later basement, 70 m²ArchitectEMR ArchitectureFinished byExtend Bespoke
A 70 m² basement dug under a family house in the West Putney conservation area, three years after Extend Bespoke rebuilt the house above.
Read the projectChiswick
Chiswick W4Structural redesign, shell for the next builderArchitect—Finished byAnother builder
A full structural redesign of a family home in Chiswick, built as a structural shell for the next builder to finish.
What we do
Four kinds of work.
- 01
Basements
New basements dug and built under existing houses, often for wellness rooms, pools and gyms.
- 02
Underpinning
Existing walls carried down to new foundations, with the waterproofing and ground movement managed as part of the job.
- 03
Structural works
Strip-outs, new structure and structural redesigns, from Victorian terraces to listed buildings.
- 04
Above-ground works
Extensions and structural shells above ground, ready for the builder who finishes the house.
Who we work for
We work direct for three kinds of client.
- A
Homeowners
A basement or new structure under the house you live in. Our sister company, Extend Bespoke, can finish the rooms.
- B
Developers
The structure for refurbishment and development schemes in central and south-west London.
- C
Main contractors
The basement or structural package on your job, handed back as a shell ready for the next trade.
People
Led by James Quinn and Gary Winter.
James is a qualified mechanical engineer with more than 15 years' experience in construction and project management. He brings technical knowledge in building systems, programme control and financial oversight.
Gary, formerly director of GW Basements, has extensive hands-on experience in basement excavation, structural works and site logistics. He leads site operations, with particular experience on complex and heritage-sensitive London properties.
Tell us about the site.
A basement, underpinning or new structure. Send a name, a number and the postcode.