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OAK HOUSE BESPOKE BUILDERS
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
"Extension single room" - KT9, job posted 26/07/26
FLUID CONSTRUCTION
Chessington, KT9
Need an Extension Builder in Chessington? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs f...
"Back extension" - KT9, job posted 07/03/26
Ascent Builders
Mick Winn
All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...
"Infill extension and movement of toilet" - KT7, job posted 21/05/25
CJC BUILDERS
Trusted and professional extension builder in Chessington. Experienced in all extension buildering work and keeping within budget and on quote. CJC...
Leith All Building & Decorating
Need to find an Extension Builder near you for all your extension buildering work?
Leith All Building & Decorating provides a local, truste...
Matstone Projects Limited
We are a London based Design & Build construction company offering the following :Property Extensions and Major RenovationsBespoke Kitchens - Desig...
RMC Design & Build Ltd.
Need to find an Extension Builder near you for all your extension buildering work?
RMC Design & Build Ltd. provides a local, trusted extens...
Henry Carson Homes
Bespoke house building and renovation company based in the South East.
mardon
mardon is an established and experienced local extension builder in Chessington. Please contact us for a free, no obligation quote and competitive ...
£50/hr
£313/day
V&Co.
Need to find an Extension Builder near you for all your extension buildering work?
V&Co. provides a local, trusted extension buildering ser...
£50/hr
£224/day
West Ewell flooring
Charles Hall
West Ewell flooring: covering all aspects of flooring supply and fitting service. please contact us for inquiries
£42/hr
£262/day
Martini Building Contractors
Experienced extension builder ready to quote for your work. Martini Building Contractors is the best extension builder in Chessington. No obligatio...
£48/hr
£299/day
solaes construction
solaes construction is an established extension buildering business in Chessington. We come highly recommended and provide competitive quotes for y...
£43/hr
£267/day
Active Fox Limited
Trusted and professional extension builder in Chessington. Experienced in all extension buildering work and keeping within budget and on quote. Act...
£46/hr
£283/day
Lime Showrooms Ltd.
Need an Extension Builder in Chessington? Lime Showrooms Ltd. has been helping local clients (10 mile radius) with their extension buildering jobs ...
£38/hr
£245/day
Integral Builders Limited
Integral Builders is a family-run business specialising in Developments, Extensions, Loft Conversions, Kitchens & Bathrooms?Demonstrating p...
£44/hr
£272/day
Johnson Developments South East Ltd
Extensions, Loft and garage conversions, New builds, Design and build, Project management
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Local Extension Builders in London Boroughs
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Build a timber frame extension - £26,232

Garden office - £10,232

Granny annexe - £87,232

Build a flat roof extension - £22,232

Convert a Garage - £16,232

Hip to gable loft conversion - £42,232

Convert a bungalow loft - £29,232

Build a dormer loft conversion - £42,232

Build a swimming pool - £81,232

Build a Mansard loft conversion - £52,232

Concrete foundations - £6,482

Underpin a building - £17,732

Two storey extension - £88,348

Convert a basement - £40,110

Side return extension - £44,110

Loft conversion - £35,925

Garage - £18,732

Single storey extension - £59,640

Outbuilding - £10,232

Install an RSJ - £2,432

Build a kitchen extension - £42,232
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