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Select your affordable DA18 extension builder
Experienced extension builder ready to quote for your work. Liviu Toma is the best extension builder in DA18. No obligation free quotes and many ha...
Pedro
Need an Extension Builder in DA18? Danni Building Services Ltd has been helping local clients (10 mile radius) with their extension buildering jobs...
SV Roofing & Renovations are here to help customers who need an Extension Builder in DA18. We offer a competitive rate to complete all your extensi...
From £6,506
David Britton
Relax... you have found a reliable extension builder in DA18. Great britton builders is a friendly and reliable company based in DA18 who consider ...
From £6,538
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,562
Need to find an Extension Builder near you for all your extension buildering work?
Liam Kinsella Ltd provides a local, trusted extension bu...
From £6,338
Need an Extension Builder in DA18? NEW BUILD MAINTENANCE LTD has been helping local clients (10 mile radius) with their extension buildering jobs f...
From £6,234
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,266
Roger Matharoo
We are family run buisness with great pedigree of enginners.
We have over 40 years knowledge in construction building and are very compe...
From £6,410
Relax... you have found a reliable extension builder in DA18. RSM BUILDING CONTRACTORS is a friendly and reliable company based in DA18 who conside...

Concrete foundations range from the £6,218 (SV Roofing & Renovations based in DA8) to £6,562 (Liam Kinsella Ltd based in DA7) in DA18.
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 DA18 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 - £17,654

Two storey extension - £88,230

Build a timber frame extension - £26,154

Build a swimming pool - £81,154

Single storey extension - £58,072

Side return extension - £43,228

Install an RSJ - £2,354

Outbuilding - £10,154

Build a Mansard loft conversion - £52,154

Loft conversion - £35,190

Build a kitchen extension - £42,154

Hip to gable loft conversion - £42,154

Granny annexe - £87,154

Garden office - £10,154

Convert a Garage - £16,154

Garage - £18,654

Build a flat roof extension - £22,154

Build a dormer loft conversion - £42,154

Concrete foundations - £6,404

Convert a bungalow loft - £29,154

Convert a basement - £39,228