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Select your affordable DA11 extension builder
Northfleet, DA11
Relax... you have found a reliable extension builder in DA11. JPRMS Ltd is a friendly and reliable company based in DA11 who consider no job as too...
From £34,725
Bungar & Co ltd is a trusted extension builder serving customers in DA11 and the surrounding area. Contact us to today to get a competitive quote f...
From £33,675
Northfleet, DA11
Warren Miller Building is an established extension buildering business in DA11. We come highly recommended and provide competitive quotes for your ...
From £36,375
GLADHOUSE CONSTRUCTION are here to help customers who need an Extension Builder in DA11. We offer a competitive rate to complete all your extension...
From £35,850
Brown Builders UK Ltd is a trusted extension builder serving customers in DA11 and the surrounding area. Contact us to today to get a competitive q...
From £34,650
Beautiful Kitchens is a family-run company, owned and directed by husband and wife Debbie and Nigel Powell along with their daughter, Bethany, and ...
From £36,375
Need to find an Extension Builder near you for all your extension buildering work?
Ciad Building Services Ltd provides a local, trusted ext...
From £33,000
Experienced extension builder ready to quote for your work. HRS Home Renovation Solutions is the best extension builder in DA11. No obligation fr...
From £36,600
ALLTYPE BUILDING CONTRACTORS L are here to help customers who need an Extension Builder in DA11. We offer a competitive rate to complete all your e...
From £34,650
Experienced extension builder ready to quote for your work. Deen Construction & Renovations Ltd is the best extension builder in DA11. No obligatio...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in DA11 by posting your job to extension builders in DA11.
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 - £17,642

Two storey extension - £88,214

Build a timber frame extension - £26,142

Build a swimming pool - £81,142

Single storey extension - £57,848

Side return extension - £43,102

Install an RSJ - £2,342

Outbuilding - £10,142

Build a Mansard loft conversion - £52,142

Loft conversion - £35,085

Build a kitchen extension - £42,142

Hip to gable loft conversion - £42,142

Granny annexe - £87,142

Garden office - £10,142

Convert a Garage - £16,142

Garage - £18,642

Build a flat roof extension - £22,142

Build a dormer loft conversion - £42,142

Concrete foundations - £6,392

Convert a bungalow loft - £29,142

Convert a basement - £39,102