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COMPLETE CIVIL ENGINEERING
Ciaran Feeney
Need to find an Extension Builder near you for all your extension buildering work?
COMPLETE CIVIL ENGINEERING provides a local, trusted ext...
"Dormer loft conversion" - HA8, job posted 06/03/26
Krystian Wojasiewicz
Krystian Wojasiewicz
Krystian Wojasiewicz is a trusted extension builder serving customers in NW9 and the surrounding area. Contact us to today to get a competitive quo...
"Granny annexe" - COLINDALE, job posted 12/07/25
WHITE EAGLE CONSTRUCTION LTD
Colindale, NW9
Trusted and professional extension builder in NW9. Experienced in all extension buildering work and keeping within budget and on quote. WHITE EAGLE...
"Single storey extension" - COLINDALE, job posted 19/02/24
D Dan Construction
Trusted and professional extension builder in NW9. Experienced in all extension buildering work and keeping within budget and on quote. D Dan Const...
"Loft conversion" - NW9, job posted 18/11/23
Simion PC Construction Ltd
Marcel Simion
Hi everyone!
i have good experience over 25 years working in construction and I have my on Business and my company
"I'm very happy for the job what his done" - LONDON,reviewed 29/09/17, SIMONA
EUROCONTRACTOR LIMITED
Karsan Dabasia
Trusted and professional extension builder in NW9. Experienced in all extension buildering work and keeping within budget and on quote. EUROCONTRAC...
HONEST CONTRUCTION LIMITED
Manoj Basia
London, NW9
Need an Extension Builder in NW9? HONEST CONTRUCTION LIMITED has been helping local clients (5 mile radius) with their extension buildering jobs fo...
HARLEY BUILDING SERVICES LTD
HARLEY BUILDING SERVICES LTD are here to help customers who need an Extension Builder in NW9. We offer a competitive rate to complete all your exte...
BKB Building Contractors
Colindale, NW9
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
F C Builders London ltd
Fabio Capani
With over 24 years of hands-on experience, FC Builders London Ltd specialises in home extensions, loft conversions, full renovations, kitchen and b...
EDGWARE BUILDER
EDGWARE BUILDER are here to help customers who need an Extension Builder in NW9. We offer a competitive rate to complete all your extension builder...
Fitz Building Services Limited
Need to find an Extension Builder near you for all your extension buildering work?
Fitz Building Services Limited provides a local, trusted...
SL Building Constructions
SL Designs is a North London based company with extensive knowledge and experience in design and refurbishments.We understand the excitement of hav...
L H Builders
Relax... you have found a reliable extension builder in NW9. L H Builders is a friendly and reliable company based in NW9 who consider no job as to...
Eddybuild Contractors Ltd
Eddybuild Contractors Ltd is an established and experienced local extension builder in NW9. Please contact us for a free, no obligation quote and c...
£36/hr
£303/day
TUDOR TECH LTD
Adi Hlaiyil
London, NW9
Qualified civil Engineer,worked and built on big projects since graduation in 1985
Council applications,proposed plans for extensi...
£40/hr
£257/day
MS Maintenance
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£40/hr
£254/day
D Bradshaw Building Renovation
Colindale, NW9
D Bradshaw Building Renovation is a trusted extension builder serving customers in NW9 and the surrounding area. Contact us to today to get a compe...
£43/hr
£270/day
BHUVA CONSTRUCTION (UK) LTD
Experienced extension builder ready to quote for your work. BHUVA CONSTRUCTION (UK) LTD is the best extension builder in NW9. No obligation free qu...
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- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in NW9. 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 NW9 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 - £26,144
Garden office - £10,144
Granny annexe - £87,144
Build a flat roof extension - £22,144
Convert a Garage - £16,144
Hip to gable loft conversion - £42,144
Convert a bungalow loft - £29,144
Build a dormer loft conversion - £42,144
Build a swimming pool - £81,144
Build a Mansard loft conversion - £52,144
Concrete foundations - £6,394
Underpin a building - £17,644
Two storey extension - £88,216
Convert a basement - £39,120
Side return extension - £43,120
Loft conversion - £35,100
Garage - £18,644
Single storey extension - £57,880
Outbuilding - £10,144
Install an RSJ - £2,344
Build a kitchen extension - £42,144
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