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SJ Expert Building Services
SJ Expert Building Services are here to help customers who need an Extension Builder in Hampstead. We offer a competitive rate to complete all your...
"Underpin a building" - N10, job posted 26/08/26
Swiftdale Developments Ltd
Need the extension buildering job done quickly without breaking the bank? Swiftdale Developments Ltd offer fast, reliable, and affordable extension...
"Basement conversion" - N6, job posted 16/10/23
Onyx Iv
Ivaylo Shkodrov
Extremely reliable service . Flexibility, correct, listening customer. Wide experience.
Taylor Construction Services Ltd
Relax... you have found a reliable extension builder in Hampstead. Taylor Construction Services Ltd is a friendly and reliable company based in Ham...
Raf's Building Service
Need to find an Extension Builder near you for all your extension buildering work?
Raf's Building Service provides a local, trusted extensi...
DS Construction
Trusted and professional extension builder in Hampstead. Experienced in all extension buildering work and keeping within budget and on quote. DS Co...
RF Building Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Chelebi Builders
Chelebi Builders is a bespoke Build & Design construction company based in North London. Our expertise range from Loft Conversions, Extensions, Hou...
Gwe construction
Trusted and professional extension builder in Hampstead. Experienced in all extension buildering work and keeping within budget and on quote. Gwe c...
£47/hr
£294/day
AK Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£45/hr
£282/day
L&V BUILDING CONSTRUCTION LTD
L&V BUILDING CONSTRUCTION LTD are here to help customers who need an Extension Builder in Hampstead. We offer a competitive rate to complete all yo...
£50/hr
£311/day
in the city decorators & design
Hampstead, N2
in the city decorators & design is a trusted extension builder serving customers in Hampstead and the surrounding area. Contact us to today to get ...
£45/hr
£279/day
Aqua Tierra Sol
Experienced extension builder ready to quote for your work. Aqua Tierra Sol is the best extension builder in Hampstead. No obligation free quotes a...
£47/hr
£294/day
Builders Are Us
Hampstead London, N2
Builders R US are passionate about doing a great job delivered on time and on budget. Our experienced team are friendly, reliable, and trustworthy ...
£49/hr
£280/day
AK Builders
Fast response for all your extension buildering needs around Hampstead
AK Builders are an established and experienced...
£41/hr
£253/day
Ally Electrical Services Ltd
Need an Extension Builder in Hampstead? Ally Electrical Services Ltd has been helping local clients (5 mile radius) with their extension buildering...
£40/hr
£249/day
HAADAM Ltd.
Trusted and professional extension builder in Hampstead. Experienced in all extension buildering work and keeping within budget and on quote. HAADA...
£46/hr
£287/day
N10 Tradespeople
Property maintenance service, hold a pool of tradesmen ready to work.
£45/hr
£282/day
PLAN C - Design. Build. Create
Relax... you have found a reliable extension builder in Hampstead. PLAN C - Design. Build. Create is a friendly and reliable company based in Hamp...
£46/hr
£289/day
PLAN C - Design. Build. Create
We are builders with a difference.We are proud to be a family business. Brothers Pierre and Christian Carboni established PLAN C in 2011, having pr...
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Use these steps to find Extension Builders in Hampstead for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Hampstead. 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 Hampstead 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 - £26,168
Garden office - £10,168
Granny annexe - £87,168
Build a flat roof extension - £22,168
Convert a Garage - £16,168
Hip to gable loft conversion - £42,168
Convert a bungalow loft - £29,168
Build a dormer loft conversion - £42,168
Build a swimming pool - £81,168
Build a Mansard loft conversion - £52,168
Concrete foundations - £6,418
Underpin a building - £17,668
Two storey extension - £88,252
Convert a basement - £39,390
Side return extension - £43,390
Loft conversion - £35,325
Garage - £18,668
Single storey extension - £58,360
Outbuilding - £10,168
Install an RSJ - £2,368
Build a kitchen extension - £42,168
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