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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...
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...
From £60,920
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...
From £65,560
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 £63,160
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...
From £64,440
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 ...
From £63,320
Tolwey
Need to find an Extension Builder near you for all your extension buildering work?
Tolwey provides a local, trusted extension buildering se...
From £62,200
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...
From £60,120
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...
From £54,840
Tarahomes
Trusted and professional extension builder in KT14. Experienced in all extension buildering work and keeping within budget and on quote. Tarahomes ...
Extension builder estimates (based on hourly rates) to build a single storey extension in KT14
- How much does a single storey extension cost?
- Single storey extension cost calculator
- What size single storey extension can I build without planning permission?
- Do I need an architect for an extension?
- How deep do foundations need to be for a single storey extension?
- Is it cheaper to have an extension or a conservatory?
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Estimates for common extension builder jobs in KT14;
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