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Trusted and professional extension builder in KT8. Experienced in all extension buildering work and keeping within budget and on quote. Pulton Prop...
Power Bespoke Building Limited is an established extension buildering business in KT8. We come highly recommended and provide competitive quotes fo...
Need to find an Extension Builder near you for all your extension buildering work?
D GAFFNEY D G BUILDERS & CO provides a local, trusted ex...
Tomasz Oszajca
Trusted and professional extension builder in KT8. Experienced in all extension buildering work and keeping within budget and on quote. MAGNAT KITC...
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 KT8? H Vincent Roofing & New UPVC has been helping local clients (10 mile radius) with their extension buildering jobs...
From £42,090
Curtis Conversions Ltd is an established and experienced local extension builder in KT8. Please contact us for a free, no obligation quote and comp...
From £37,140
Robert Ceausu
Need to find an Extension Builder near you for all your extension buildering work?
Built in Time Developments Ltd provides a local, trusted...
From £37,230
Trusted and professional extension builder in KT8. Experienced in all extension buildering work and keeping within budget and on quote. Blue Ribbon...
From £36,690
Relax... you have found a reliable extension builder in KT8. REED CONSTRUCTION LTD is a friendly and reliable company based in KT8 who consider no ...

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 KT8 by posting a job with HaMuch and we will send it to extension builders in KT8.
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 - £17,651

Two storey extension - £88,227

Build a timber frame extension - £26,151

Build a swimming pool - £81,151

Single storey extension - £58,024

Side return extension - £43,201

Install an RSJ - £2,351

Outbuilding - £10,151

Build a Mansard loft conversion - £52,151

Loft conversion - £35,168

Build a kitchen extension - £42,151

Hip to gable loft conversion - £42,151

Granny annexe - £87,151

Garden office - £10,151

Convert a Garage - £16,151

Garage - £18,651

Build a flat roof extension - £22,151

Build a dormer loft conversion - £42,151

Concrete foundations - £6,401

Convert a bungalow loft - £29,151

Convert a basement - £39,201