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1st & 2nd Fix Vasconstruct
Vas Constructs
RUBBERCOVER™ EPDM Permaroof rubber cover and roof system. Lead flashing. NCTS. Timber Frame Buildings. Refurbish fit out, structural ...
"Side return extension" - NW10, job posted 14/08/25
BELLVIEW BUILDERS LTD
Need to find an Extension Builder near you for all your extension buildering work?
BELLVIEW BUILDERS LTD provides a local, trusted extensio...
"We have a long list of customers that need only a builder that can fit conservatory. We don’t need supplier. Please contact us if you can help. Thanks" - NW10, job posted 10/07/25
A&J BUILDERS & DECORATORS LTD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - W12, job posted 21/04/25
Khetani Builders (UK) Ltd
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in NW10. No obligation free quo...
"Loft conversion" - W12, job posted 20/04/25
Krystian Wojasiewicz
Krystian Wojasiewicz
Krystian Wojasiewicz is a trusted extension builder serving customers in NW10 and the surrounding area. Contact us to today to get a competitive qu...
"Loft conversion" - W12, job posted 23/10/24
GasHeat
Patrick Kelly
Over 20 years experience
Client focussed and driven
Personal planning and completion of work
Warranty ...
"Garage" - W3, job posted 18/06/24
Mr
Jonathan Rimmer
London, NW10
Experienced extension builder ready to quote for your work. Mr is the best extension builder in NW10. No obligation free quotes and many happy cust...
LALI BUILDERS
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
V.S.P
Harlesden, NW10
V.S.P is a trusted extension builder serving customers in NW10 and the surrounding area. Contact us to today to get a competitive quote for extensi...
D Dan Construction
Trusted and professional extension builder in NW10. Experienced in all extension buildering work and keeping within budget and on quote. D Dan Cons...
LINE BUILDERS LTD
LINE BUILDERS LTD is an established extension buildering business in NW10. We come highly recommended and provide competitive quotes for your work....
Bros Construction Ltd
Experienced extension builder ready to quote for your work. Bros Construction Ltd is the best extension builder in NW10. No obligation free quotes ...
Plum & Bros Loft Ltd
Plum & Bros Loft Ltd is an established extension buildering business in NW10. We come highly recommended and provide competitive quotes for your wo...
Graham Construction
Graham Construction is an established extension buildering business in NW10. We come highly recommended and provide competitive quotes for your wor...
S HILEY CONSTRUCTION
Need an Extension Builder in NW10? S HILEY CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs for ma...
SDM Services
SDM Services is an established extension buildering business in NW10. We come highly recommended and provide competitive quotes for your work.
...£45/hr
£279/day
Pro Fast Build
Pro Fast Build Ltd. is a well established building company specialising in all areas of building work – interior and exterior. We are the best ch...
£45/hr
£279/day
Hartley Limited
Trusted and professional extension builder in NW10. Experienced in all extension buildering work and keeping within budget and on quote. Hartley Li...
£50/hr
£311/day
K & S
At K&S Interiors Ltd, we offer complete interior and exterior specialising in full home or office refurbishment to clients in Kensington, Chelsea a...
£46/hr
£293/day
Staunch And Flow Limited
Staunch and Flow is a small, experienced, and cost-effective London-based plumbing/heating engineering firm. We specialise in kitchen and bathroom ...
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Use these steps to find Extension Builders in NW10 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in NW10. 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 NW10 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 - £26,256
Garden office - £10,256
Granny annexe - £87,256
Build a flat roof extension - £22,256
Convert a Garage - £16,256
Hip to gable loft conversion - £42,256
Convert a bungalow loft - £29,256
Build a dormer loft conversion - £42,256
Build a swimming pool - £81,256
Build a Mansard loft conversion - £52,256
Concrete foundations - £6,506
Underpin a building - £17,756
Two storey extension - £88,384
Convert a basement - £40,380
Side return extension - £44,380
Loft conversion - £36,150
Garage - £18,756
Single storey extension - £60,120
Outbuilding - £10,256
Install an RSJ - £2,456
Build a kitchen extension - £42,256
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