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Select your affordable KT14 extension builder
Russell Worcester
Byfleet, KT14
R & R Roofing Guildford are here to help customers who need an Extension Builder in KT14. We offer a competitive rate to complete all your extensio...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,296
Byfleet, KT14
CRESSWELL DESIGN & BUILD are here to help customers who need an Extension Builder in KT14. We offer a competitive rate to complete all your extensi...
From £10,528
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 £10,408
Byfleet, KT14
Relax... you have found a reliable extension builder in KT14. INTEGRA BUILDERS LTD is a friendly and reliable company based in KT14 who consider no...
From £10,472
Form Projects is an established and experienced local extension builder in KT14. Please contact us for a free, no obligation quote and competitive ...
From £10,416
Need to find an Extension Builder near you for all your extension buildering work?
Tolwey provides a local, trusted extension buildering se...
From £10,360
Refined Space is a trusted extension builder serving customers in KT14 and the surrounding area. Contact us to today to get a competitive quote for...
From £10,256
We’re a design & build company based in Surrey that helps people transform their living environments with user-centred design and expert craftsma...
From £9,992
Trusted and professional extension builder in KT14. Experienced in all extension buildering work and keeping within budget and on quote. Tarahomes ...

Garden offices range from the cheapest of £9,976 (R & R Roofing Guildford based in KT14) to the dearest of £10,528 (JDM (D&B) Ltd based in Kt14), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in KT14 by posting a job with HaMuch. We'll send it to extension builders in KT14.
| Borough in London |
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| Garden Office in Byfleet |
| Garden Office in Addlestone |
| Garden Office in Weybridge |
| Garden Office in Ripley |
| Garden Office in Chertsey |
| Garden Office in Woking |
| Garden Office in Cobham |
| Garden Office in Knaphill |
| Garden Office in Walton-on-Thames |
| Garden Office in Shepperton |
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 - £17,794

Two storey extension - £88,442

Build a timber frame extension - £26,294

Build a swimming pool - £81,294

Single storey extension - £60,888

Side return extension - £44,812

Install an RSJ - £2,494

Outbuilding - £10,294

Build a Mansard loft conversion - £52,294

Loft conversion - £36,510

Build a kitchen extension - £42,294

Hip to gable loft conversion - £42,294

Granny annexe - £87,294

Garden office - £10,294

Convert a Garage - £16,294

Garage - £18,794

Build a flat roof extension - £22,294

Build a dormer loft conversion - £42,294

Concrete foundations - £6,544

Convert a bungalow loft - £29,294

Convert a basement - £40,812