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Chessington, KT9
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Need an Extension Builder in KT9? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs for many ...
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...
Trusted and professional extension builder in KT9. Experienced in all extension buildering work and keeping within budget and on quote. CJC BUILDER...
Need to find an Extension Builder near you for all your extension buildering work?
Leith All Building & Decorating provides a local, truste...
We are a London based Design & Build construction company offering the following :Property Extensions and Major RenovationsBespoke Kitchens - Desig...
Greater London, KT9
Need to find an Extension Builder near you for all your extension buildering work?
RMC Design & Build Ltd. provides a local, trusted extens...
Bespoke house building and renovation company based in the South East.
Surrey, KT9
mardon is an established and experienced local extension builder in KT9. Please contact us for a free, no obligation quote and competitive rates. C...
From £6,754
Need to find an Extension Builder near you for all your extension buildering work?
V&Co. provides a local, trusted extension buildering ser...

Concrete foundations range from the £6,250 (Ascent Builders based in KT19) to £7,050 (OAK HOUSE BESPOKE BUILDERS based in KT9) in KT9.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in KT9 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
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.

Underpin a building - £17,812

Two storey extension - £88,468

Build a timber frame extension - £26,312

Build a swimming pool - £81,312

Single storey extension - £61,240

Side return extension - £45,010

Install an RSJ - £2,512

Outbuilding - £10,312

Build a Mansard loft conversion - £52,312

Loft conversion - £36,675

Build a kitchen extension - £42,312

Hip to gable loft conversion - £42,312

Granny annexe - £87,312

Garden office - £10,312

Convert a Garage - £16,312

Garage - £18,812

Build a flat roof extension - £22,312

Build a dormer loft conversion - £42,312

Concrete foundations - £6,562

Convert a bungalow loft - £29,312

Convert a basement - £41,010