From £39,660
Warlingham, CR6
Relax... you have found a reliable extension builder in CR6. G Sweeting Roofing Ltd is a friendly and reliable company based in CR6 who consider no...
From £39,210
Projema is a construction project Management Company dealing with all aspects of residential and commercial construction management in London and s...
From £41,370
Warlingham, CR6
Experienced extension builder ready to quote for your work. Parmenter Builders Limited is the best extension builder in CR6. No obligation free quo...
From £37,950
TP Construction Ltd is an established extension buildering business in CR6. We come highly recommended and provide competitive quotes for your work...
From £37,770
DL Jones are here to help customers who need an Extension Builder in CR6. We offer a competitive rate to complete all your extension buildering job...
From £37,950
Need to find an Extension Builder near you for all your extension buildering work?
D.E.P Building Services Ltd provides a local, trusted ex...
From £37,410
Whyteleafe, CR6
Conrad Paton Property Repair, Improvement & Management are here to help customers who need an Extension Builder in CR6. We offer a competitive rate...
From £39,570
Need an Extension Builder in CR6? PLG Building Services has been helping local clients (10 mile radius) with their extension buildering jobs for ma...
From £40,020
THOMAS & PHILLIPS CONSTRUCTION is a trusted extension builder serving customers in CR6 and the surrounding area. Contact us to today to get a compe...
From £40,920
Need an Extension Builder in CR6? Ak Construction kasko group ltd has been helping local clients (10 mile radius) with their extension buildering ...

Comparing extension builders estimates for a Convert a basement 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 to convert a basement in CR6 by posting a job with HaMuch and we will send it to extension builders in CR6.
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 - £17,650

Two storey extension - £88,224

Build a timber frame extension - £26,150

Build a swimming pool - £81,150

Single storey extension - £57,992

Side return extension - £43,183

Install an RSJ - £2,350

Outbuilding - £10,150

Build a Mansard loft conversion - £52,150

Loft conversion - £35,153

Build a kitchen extension - £42,150

Hip to gable loft conversion - £42,150

Granny annexe - £87,150

Garden office - £10,150

Convert a Garage - £16,150

Garage - £18,650

Build a flat roof extension - £22,150

Build a dormer loft conversion - £42,150

Concrete foundations - £6,400

Convert a bungalow loft - £29,150

Convert a basement - £39,183