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Need an Extension Builder in Bethnal Green? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension builde...
P R Building is a trusted extension builder serving customers in Bethnal Green and the surrounding area. Contact us to today to get a competitive q...
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Trusted and professional extension builder in Bethnal Green. Experienced in all extension buildering work and keeping within budget and on quote. G...
Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Bethnal Green. No obligation free qu...
Relax... you have found a reliable extension builder in Bethnal Green. London Trowel Co. is a friendly and reliable company based in Bethnal Green ...
Trusted and professional extension builder in Bethnal Green. Experienced in all extension buildering work and keeping within budget and on quote. T...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Bethnal Green. No obligation fre...

Garden offices range from the cheapest of £10,024 (SH Enterprise based in EC1V) to the dearest of £10,400 (Five Star Builder based in N16), 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 - £17,718

Two storey extension - £88,326

Build a timber frame extension - £26,218

Build a swimming pool - £81,218

Single storey extension - £59,352

Side return extension - £43,948

Install an RSJ - £2,418

Outbuilding - £10,218

Build a Mansard loft conversion - £52,218

Loft conversion - £35,790

Build a kitchen extension - £42,218

Hip to gable loft conversion - £42,218

Granny annexe - £87,218

Garden office - £10,218

Convert a Garage - £16,218

Garage - £18,718

Build a flat roof extension - £22,218

Build a dormer loft conversion - £42,218

Concrete foundations - £6,468

Convert a bungalow loft - £29,218

Convert a basement - £39,948