From £42,090
Hackney, E8
Experienced extension builder ready to quote for your work. ATOM BUILD LTD T/A is the best extension builder in E8. No obligation free quotes and m...
From £41,280
Need to find an Extension Builder near you for all your extension buildering work?
UCDB Ltd provides a local, trusted extension buildering ...
From £41,100
Hackney, E8
Relax... you have found a reliable extension builder in E8. Carbin Canopy is a friendly and reliable company based in E8 who consider no job as too...
From £39,840
Trusted and professional extension builder in E8. Experienced in all extension buildering work and keeping within budget and on quote. Thermodynami...
From £41,550
Greater London, E8
Need an Extension Builder in E8? Sean & Stephen Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...
From £39,660
Carland Builders Ltd are here to help customers who need an Extension Builder in E8. We offer a competitive rate to complete all your extension bui...
From £36,690
GS Fabric Ltd is an established and experienced local extension builder in E8. Please contact us for a free, no obligation quote and competitive ra...
From £42,630
D B Duri Building are here to help customers who need an Extension Builder in E8. We offer a competitive rate to complete all your extension builde...
From £40,830
Relax... you have found a reliable extension builder in E8. Hannah Construction is a friendly and reliable company based in E8 who consider no job ...
From £40,470
BLOCK Design & Build is an established extension buildering business in E8. We come highly recommended and provide competitive quotes for your work...

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 E8 by posting a job with HaMuch and we will send it to extension builders in E8.
"Basement conversion" - E5
"Side return extension" - E3
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 - £17,777

Two storey extension - £88,415

Build a timber frame extension - £26,277

Build a swimming pool - £81,277

Single storey extension - £60,536

Side return extension - £44,614

Install an RSJ - £2,477

Outbuilding - £10,277

Build a Mansard loft conversion - £52,277

Loft conversion - £36,345

Build a kitchen extension - £42,277

Hip to gable loft conversion - £42,277

Granny annexe - £87,277

Garden office - £10,277

Convert a Garage - £16,277

Garage - £18,777

Build a flat roof extension - £22,277

Build a dormer loft conversion - £42,277

Concrete foundations - £6,527

Convert a bungalow loft - £29,277

Convert a basement - £40,614