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R & R Roofing Guildford
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...
"Garage" - KT15, job posted 15/09/25
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...
£45/hr
£287/day
CRESSWELL DESIGN & BUILD
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...
£50/hr
£316/day
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...
£47/hr
£301/day
INTEGRA BUILDERS LTD
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...
£49/hr
£309/day
Form Projects
Form Projects is an established and experienced local extension builder in KT14. Please contact us for a free, no obligation quote and competitive ...
£48/hr
£302/day
Tolwey
Need to find an Extension Builder near you for all your extension buildering work?
Tolwey provides a local, trusted extension buildering se...
£47/hr
£295/day
Refined Space
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...
£45/hr
£282/day
Refined Space
We’re a design & build company based in Surrey that helps people transform their living environments with user-centred design and expert craftsma...
£40/hr
£249/day
Tarahomes
Trusted and professional extension builder in KT14. Experienced in all extension buildering work and keeping within budget and on quote. Tarahomes ...
£42/hr
£267/day
EcoWoodDesign
EcoWoodDesign are here to help customers who need an Extension Builder in KT14. We offer a competitive rate to complete all your extension builderi...
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Use these steps to find Extension Builders in KT14 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in KT14. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local KT14 Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
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.
Build a timber frame extension - £26,280
Garden office - £10,280
Granny annexe - £87,280
Build a flat roof extension - £22,280
Convert a Garage - £16,280
Hip to gable loft conversion - £42,280
Convert a bungalow loft - £29,280
Build a dormer loft conversion - £42,280
Build a swimming pool - £81,280
Build a Mansard loft conversion - £52,280
Concrete foundations - £6,530
Underpin a building - £17,780
Two storey extension - £88,420
Convert a basement - £40,650
Side return extension - £44,650
Loft conversion - £36,375
Garage - £18,780
Single storey extension - £60,600
Outbuilding - £10,280
Install an RSJ - £2,480
Build a kitchen extension - £42,280
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