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Select your affordable KT10 extension builder
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 KT10? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs for many...
Trusted and professional extension builder in KT10. Experienced in all extension buildering work and keeping within budget and on quote. Pulton Pro...
Bespoke house building and renovation company based in the South East.
From £39,840
With over 50 years experience, G.M. Dowling & Son offer the highest standard in building services.The family run business, headed up by father and ...
From £38,400
Need an Extension Builder in KT10? H Vincent Roofing & New UPVC has been helping local clients (10 mile radius) with their extension buildering job...
From £42,090
Surrey, KT10
Curtis Conversions Ltd is an established and experienced local extension builder in KT10. Please contact us for a free, no obligation quote and com...
From £39,210
Brian Pearson
DITTON CONSTRUCTION LIMITED is an established extension buildering business in KT10. We come highly recommended and provide competitive quotes for ...
From £36,330
METROMEC BUILDING SERVICES LTD is an established extension buildering business in KT10. We come highly recommended and provide competitive quotes f...
From £41,100
Relax... you have found a reliable extension builder in KT10. Ella Design Build is a friendly and reliable company based in KT10 who consider no jo...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in KT10 by posting a job with HaMuch and we will send it to extension builders in KT10.
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 - £17,734

Two storey extension - £88,350

Build a timber frame extension - £26,234

Build a swimming pool - £81,234

Single storey extension - £59,672

Side return extension - £44,128

Install an RSJ - £2,434

Outbuilding - £10,234

Build a Mansard loft conversion - £52,234

Loft conversion - £35,940

Build a kitchen extension - £42,234

Hip to gable loft conversion - £42,234

Granny annexe - £87,234

Garden office - £10,234

Convert a Garage - £16,234

Garage - £18,734

Build a flat roof extension - £22,234

Build a dormer loft conversion - £42,234

Concrete foundations - £6,484

Convert a bungalow loft - £29,234

Convert a basement - £40,128