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JJSR Construction Ltd
J Wijayamohan
JJSR Construction Ltd is an established and experienced local extension builder in HA7. Please contact us for a free, no obligation quote and compe...
"Two storey extension" - HA7, job posted 13/01/25
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...
Chrysalis
Chrysalis are here to help customers who need an Extension Builder in HA7. We offer a competitive rate to complete all your extension buildering jo...
PERFORMA CONSTRUCTION LIMITED
Relax... you have found a reliable extension builder in HA7. PERFORMA CONSTRUCTION LIMITED is a friendly and reliable company based in HA7 who cons...
Volton Building & Paving
Stanmore, HA7
Volton Building & Paving is a trusted extension builder serving customers in HA7 and the surrounding area. Contact us to today to get a competitive...
Platinum Premier Projects & Premier Electrics
Platinum Electrics is a Branch off Platinum Premier Projects who deal in all types of construction projects. Platinum Electrics are based in London...
Crest Construction and Interiors Ltd
Ashley Payravi
At crest construction we work extremely hard to ensure that our clients receive a quality of service that continues to build our reputation. Client...
BR Building Services Limited
BR Building Services Limited is a trusted extension builder serving customers in HA7 and the surrounding area. Contact us to today to get a competi...
A D C BUILDERS
Trusted and professional extension builder in HA7. Experienced in all extension buildering work and keeping within budget and on quote. A D C BUILD...
EUROCONTRACTOR LIMITED
Karsan Dabasia
Trusted and professional extension builder in HA7. Experienced in all extension buildering work and keeping within budget and on quote. EUROCONTRAC...
Marku Builders Ltd
Marku Builders Ltd is an established extension buildering business in HA7. We come highly recommended and provide competitive quotes for your work....
GUS DESIGNS LTD
GUS DESIGNS LTD is a trusted extension builder serving customers in HA7 and the surrounding area. Contact us to today to get a competitive quote fo...
EDGWARE BUILDER
EDGWARE BUILDER are here to help customers who need an Extension Builder in HA7. We offer a competitive rate to complete all your extension builder...
Eternal Design and Build Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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...
O DAMIEAN BUILDING SERVICES
Experienced extension builder ready to quote for your work. O DAMIEAN BUILDING SERVICES is the best extension builder in HA7. No obligation free qu...
BUILDING SERVICES (UK) LTD
Experienced extension builder ready to quote for your work. BUILDING SERVICES (UK) LTD is the best extension builder in HA7. No obligation free quo...
Eddybuild Contractors Ltd
Eddybuild Contractors Ltd is an established and experienced local extension builder in HA7. Please contact us for a free, no obligation quote and c...
PANCON CONSTRUCTION LIMITED
Relax... you have found a reliable extension builder in HA7. PANCON CONSTRUCTION LIMITED is a friendly and reliable company based in HA7 who consid...
AT Contractors
Relax... you have found a reliable extension builder in HA7. AT Contractors is a friendly and reliable company based in HA7 who consider no job as ...
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Use these steps to find Extension Builders in HA7 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in HA7. 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 HA7 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 - £26,224

Garden office - £10,224

Granny annexe - £87,224

Build a flat roof extension - £22,224

Convert a Garage - £16,224

Hip to gable loft conversion - £42,224

Convert a bungalow loft - £29,224

Build a dormer loft conversion - £42,224

Build a swimming pool - £81,224

Build a Mansard loft conversion - £52,224

Concrete foundations - £6,474

Underpin a building - £17,724

Two storey extension - £88,336

Convert a basement - £40,020

Side return extension - £44,020

Loft conversion - £35,850

Garage - £18,724

Single storey extension - £59,480

Outbuilding - £10,224

Install an RSJ - £2,424

Build a kitchen extension - £42,224
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