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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...
FLUID CONSTRUCTION
Need an Extension Builder in KT10? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs for many...
Pulton Properties
Trusted and professional extension builder in KT10. Experienced in all extension buildering work and keeping within budget and on quote. Pulton Pro...
Henry Carson Homes
Bespoke house building and renovation company based in the South East.
From £35,700
G.M Dowling & Son
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 £34,500
H Vincent Roofing & New UPVC
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 £37,575
Curtis Conversions Ltd
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 £35,175
DITTON CONSTRUCTION LIMITED
Brian Pearson
DITTON CONSTRUCTION LIMITED is an established extension buildering business in KT10. We come highly recommended and provide competitive quotes for ...
From £32,775
METROMEC BUILDING SERVICES LTD
METROMEC BUILDING SERVICES LTD is an established extension buildering business in KT10. We come highly recommended and provide competitive quotes f...
From £36,750
Ella Design Build
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...
Cheapest builders for loft conversion in KT10
Comparing extension builders estimates for Loft conversion 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 of a loft conversion in KT10 by posting your job to extension builders in KT10.
"Back extension" - KT9, job posted 03/07/26
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Estimates for common extension builder jobs 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