From £6,850
Leatherhead, KT22
Drytech Roofing Contractors Ltd is an established extension buildering business in KT22. We come highly recommended and provide competitive quotes ...
From £6,594
Relax... you have found a reliable extension builder in KT22. NEWLAND BUILDING SERVICES is a friendly and reliable company based in KT22 who consid...
From £6,650
Fetcham, KT22
Please visit our web site at for full detailed photos of previous projects and clients testimonials.
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From £6,378
Need an Extension Builder in KT22? Albany Roofing & Guttering has been helping local clients (10 mile radius) with their extension buildering jobs ...
From £6,378
Ashtead Builds Ltd are here to help customers who need an Extension Builder in KT22. We offer a competitive rate to complete all your extension bui...
From £6,122
Over 30 years experience in carpentery. Have carried a a number of extensions and refurbishments in the surrey aera. Have a large number of satisfi...
From £6,562
Experienced extension builder ready to quote for your work. S JEFFEREY BUILDERS is the best extension builder in KT22. No obligation free quotes an...
From £6,522
Need to find an Extension Builder near you for all your extension buildering work?
Living Oak provides a local, trusted extension builderin...
From £6,474
Surrey, KT22
Need to find an Extension Builder near you for all your extension buildering work?
K Lineage provides a local, trusted extension buildering...
From £6,138
1st Roofing Specialists Ltd is a trusted extension builder serving customers in KT22 and the surrounding area. Contact us to today to get a competi...

Concrete foundations range from the £6,122 (ARCHERY BUILDING SERVICES LTD based in KT21) to £6,850 (Drytech Roofing Contractors Ltd based in KT22) in KT22.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in KT22 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
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.

Underpin a building - £17,717

Two storey extension - £88,325

Build a timber frame extension - £26,217

Build a swimming pool - £81,217

Single storey extension - £59,336

Side return extension - £43,939

Install an RSJ - £2,417

Outbuilding - £10,217

Build a Mansard loft conversion - £52,217

Loft conversion - £35,783

Build a kitchen extension - £42,217

Hip to gable loft conversion - £42,217

Granny annexe - £87,217

Garden office - £10,217

Convert a Garage - £16,217

Garage - £18,717

Build a flat roof extension - £22,217

Build a dormer loft conversion - £42,217

Concrete foundations - £6,467

Convert a bungalow loft - £29,217

Convert a basement - £39,939