From £10,296
Relax... you have found a reliable extension builder in Bethnal Green. Hannah Construction is a friendly and reliable company based in Bethnal Gree...
From £10,080
Checa Romero is an established and experienced local extension builder in Bethnal Green. Please contact us for a free, no obligation quote and comp...
From £10,360
Need an Extension Builder in Bethnal Green? Sean & Stephen Ltd has been helping local clients (5 mile radius) with their extension buildering jobs ...
From £10,216
Trusted and professional extension builder in Bethnal Green. Experienced in all extension buildering work and keeping within budget and on quote. A...
From £10,264
BLOCK Design & Build is an established extension buildering business in Bethnal Green. We come highly recommended and provide competitive quotes fo...
From £9,928
GS Fabric Ltd is an established and experienced local extension builder in Bethnal Green. Please contact us for a free, no obligation quote and com...
From £10,528
Gabriel Shin is an established and experienced local extension builder in Bethnal Green. Please contact us for a free, no obligation quote and comp...
From £10,336
Pencil and Brick is the collective name for our architect practice and our construction company. We're based in East London.We work on a wide range...
From £9,976
ISLE CONSTRUCTION LTD is a trusted extension builder serving customers in Bethnal Green and the surrounding area. Contact us to today to get a comp...
From £10,408
Experienced extension builder ready to quote for your work. ATOM BUILD LTD T/A is the best extension builder in Bethnal Green. No obligation free q...

Garden offices range from the cheapest of £9,928 (GS Fabric Ltd based in E2) to the dearest of £10,528 (Gabriel Shin based in E1), 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 Bethnal Green by posting a job with HaMuch. We'll send it to extension builders in Bethnal Green.
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 - £17,739

Two storey extension - £88,359

Build a timber frame extension - £26,239

Build a swimming pool - £81,239

Single storey extension - £59,784

Side return extension - £44,191

Install an RSJ - £2,439

Outbuilding - £10,239

Build a Mansard loft conversion - £52,239

Loft conversion - £35,993

Build a kitchen extension - £42,239

Hip to gable loft conversion - £42,239

Granny annexe - £87,239

Garden office - £10,239

Convert a Garage - £16,239

Garage - £18,739

Build a flat roof extension - £22,239

Build a dormer loft conversion - £42,239

Concrete foundations - £6,489

Convert a bungalow loft - £29,239

Convert a basement - £40,191