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We Fix & Upkeep Ltd
Cosmin-Adrian Aporcariti
We are a company based in South London, with a strong will to work and to do the best job possible every tine we start a job (big or small) because...
PURE DESIGN AND BUILD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
GS Wood Building Services
Need to find an Extension Builder near you for all your extension buildering work?
GS Wood Building Services provides a local, trusted exte...
From £36,525
CRESSWELL DESIGN & BUILD
CRESSWELL DESIGN & BUILD are here to help customers who need an Extension Builder in KT15. We offer a competitive rate to complete all your extensi...
From £37,650
Tolwey
Surrey, KT15
Need to find an Extension Builder near you for all your extension buildering work?
Tolwey provides a local, trusted extension buildering se...
From £35,025
EcoWoodDesign
EcoWoodDesign are here to help customers who need an Extension Builder in KT15. We offer a competitive rate to complete all your extension builderi...
From £34,500
Hanging Space
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £38,700
JDM (D&B) Ltd
As a successful Surrey Property building Company, we pride ourselves not only on what we produce for our clients, but also the manner that we appro...
From £34,500
Mulberry Design & Build Ltd
General Building, Landscaping and Driveway Specialists. Some of the tasks we complete tasks such as refurbishments, extensions and conversions to d...
From £30,675
Inspiral Construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Cheapest builders for loft conversion in KT15
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 KT15 by posting your job to extension builders in KT15.
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Estimates for common extension builder jobs in KT15;
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 - £17,622
Two storey extension - £88,182
Build a timber frame extension - £26,122
Build a swimming pool - £81,122
Single storey extension - £57,432
Side return extension - £42,868
Install an RSJ - £2,322
Outbuilding - £10,122
Build a Mansard loft conversion - £52,122
Loft conversion - £34,890
Build a kitchen extension - £42,122
Hip to gable loft conversion - £42,122
Granny annexe - £87,122
Garden office - £10,122
Convert a Garage - £16,122
Garage - £18,622
Build a flat roof extension - £22,122
Build a dormer loft conversion - £42,122
Concrete foundations - £6,372
Convert a bungalow loft - £29,122
Convert a basement - £38,868