From £10,408
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 £10,336
Need to find an Extension Builder near you for all your extension buildering work?
UCDB Ltd provides a local, trusted extension buildering ...
From £10,320
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 £10,208
Trusted and professional extension builder in E8. Experienced in all extension buildering work and keeping within budget and on quote. Thermodynami...
From £10,360
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 £10,192
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 £9,928
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 £10,456
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 £10,296
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 £10,264
BLOCK Design & Build is an established extension buildering business in E8. We come highly recommended and provide competitive quotes for your work...

Garden offices range from the cheapest of £9,928 (GS Fabric Ltd based in E2) to the dearest of £10,456 (D B Duri Building based in E8), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in E8 by posting a job with HaMuch. We'll send it to extension builders in E8.
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