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J Stevens Roofing & Guttering
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
P4 Services Ltd
P4 Services a building company in Banstead, Surrey pride itself on having high standards. If you are looking for a building company for a new kitch...
NBNA Construction Ltd
Banstead, SM7
Relax... you have found a reliable extension builder in SM7. NBNA Construction Ltd is a friendly and reliable company based in SM7 who consider no ...
PDL Property Solutions
Trusted and professional extension builder in SM7. Experienced in all extension buildering work and keeping within budget and on quote. PDL Propert...
O G Electricals
Experienced extension builder ready to quote for your work. O G Electricals is the best extension builder in SM7. No obligation free quotes and man...
£35/hr
£278/day
Cannon Gardens
David Hunt
Relax... you have found a reliable extension builder in SM7. Cannon Gardens is a friendly and reliable company based in SM7 who consider no job as ...
£37/hr
£235/day
ANM BUILDERS LTD
Banstead, SM7
Experienced extension builder ready to quote for your work. ANM BUILDERS LTD is the best extension builder in SM7. No obligation free quotes and ma...
£41/hr
£262/day
MSI
Relax... you have found a reliable extension builder in SM7. MSI is a friendly and reliable company based in SM7 who consider no job as too big or ...
£41/hr
£260/day
Hunt Roofing Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Hunt Roofing Ltd provides a local, trusted extension bui...
£46/hr
£290/day
G F Hobbs t/a G & N Builders
G F Hobbs t/a G & N Builders is an established and experienced local extension builder in SM7. Please contact us for a free, no obligation quote an...
£39/hr
£246/day
D Bateman General Building Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£42/hr
£261/day
Norman Building Services Ltd
Norman Building Services Ltd is a trusted extension builder serving customers in SM7 and the surrounding area. Contact us to today to get a competi...
£45/hr
£279/day
earthONE Design & Build Ltd
Greater London, SM7
We are an experienced Interior Designer and builder . We have obsessive passion towards designing and building a highly personalised luxury interio...
£42/hr
£260/day
Safebuild Fitout
Need an Extension Builder in SM7? Safebuild Fitout has been helping local clients (10 mile radius) with their extension buildering jobs for many ye...
£44/hr
£276/day
KINGSMEAD CONSTRUCTION
Need to find an Extension Builder near you for all your extension buildering work?
KINGSMEAD CONSTRUCTION provides a local, trusted extensi...
£42/hr
£263/day
M & R BUILDING SERVICES
Relax... you have found a reliable extension builder in SM7. M & R BUILDING SERVICES is a friendly and reliable company based in SM7 who consider n...
£35/hr
£295/day
R & L Building Contractors
Roger Wilding
Need an Extension Builder in SM7? R & L Building Contractors has been helping local clients (10 mile radius) with their extension buildering jobs f...
£46/hr
£292/day
Abstract Renovations Ltd
Experienced extension builder ready to quote for your work. Abstract Renovations Ltd is the best extension builder in SM7. No obligation free quote...
£49/hr
£304/day
AB KeyStone Homes Ltd
Our building services company AB KeyStone Homes Ltd has 30 years of experience. We have been helping customers in the KTI8 postcode area and the su...
£44/hr
£277/day
247 Property Solutions London Ltd
Our building services company 247 Property Solutions (London) Ltd have been helping customers throughout London, and the surrounding areas with pro...
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Use these steps to find Extension Builders in SM7 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in SM7. 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 SM7 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 - £26,200

Garden office - £10,200

Granny annexe - £87,200

Build a flat roof extension - £22,200

Convert a Garage - £16,200

Hip to gable loft conversion - £42,200

Convert a bungalow loft - £29,200

Build a dormer loft conversion - £42,200

Build a swimming pool - £81,200

Build a Mansard loft conversion - £52,200

Concrete foundations - £6,450

Underpin a building - £17,700

Two storey extension - £88,300

Convert a basement - £39,750

Side return extension - £43,750

Loft conversion - £35,625

Garage - £18,700

Single storey extension - £59,000

Outbuilding - £10,200

Install an RSJ - £2,400

Build a kitchen extension - £42,200
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