From £6,298
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in DA14. No obligation free quotes...
From £6,442
Gb construction are here to help customers who need an Extension Builder in DA14. We offer a competitive rate to complete all your extension build...
From £6,434
Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in DA14. No obligation free quotes and ...
From £6,810
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
From £6,346
Experienced extension builder ready to quote for your work. Mr is the best extension builder in DA14. No obligation free quotes and many happy cust...
From £6,234
JK Doors is a trusted extension builder serving customers in DA14 and the surrounding area. Contact us to today to get a competitive quote for exte...
From £6,442
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
From £6,642
Need an Extension Builder in DA14? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...
From £6,562
skilled worker who specializes in completing a wide range of building and renovation projects
From £6,866
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in DA14 and the surrounding area. Contact us to today to get a com...

Concrete foundations range from the £6,234 (JK Doors based in W1W) to £6,866 (HOUSE BUILDING SERVICES LIMITED based in DA16) in DA14.
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 DA14 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 - £17,758

Two storey extension - £88,386

Build a timber frame extension - £26,258

Build a swimming pool - £81,258

Single storey extension - £60,152

Side return extension - £44,398

Install an RSJ - £2,458

Outbuilding - £10,258

Build a Mansard loft conversion - £52,258

Loft conversion - £36,165

Build a kitchen extension - £42,258

Hip to gable loft conversion - £42,258

Granny annexe - £87,258

Garden office - £10,258

Convert a Garage - £16,258

Garage - £18,758

Build a flat roof extension - £22,258

Build a dormer loft conversion - £42,258

Concrete foundations - £6,508

Convert a bungalow loft - £29,258

Convert a basement - £40,398