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. Five Star Builder is the best extension builder in Bethnal Green. No obligation free qu...
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
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Bethnal Green. No obligation fre...
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
CK Constructions & Development Ltd is a trusted extension builder serving customers in Bethnal Green and the surrounding area. Contact us to today ...
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...
JM Building Services is a trusted extension builder serving customers in Bethnal Green and the surrounding area. Contact us to today to get a compe...

Outbuilding costs in Bethnal Green range from the cheapest of £9,928 (GS Fabric Ltd based in E2) to the dearest of £10,400 (Five Star Builder based in N16), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Bethnal Green by posting a job with HaMuch and we will send it to extension builders.
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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 - £17,668

Two storey extension - £88,252

Build a timber frame extension - £26,168

Build a swimming pool - £81,168

Single storey extension - £58,360

Side return extension - £43,390

Install an RSJ - £2,368

Outbuilding - £10,168

Build a Mansard loft conversion - £52,168

Loft conversion - £35,325

Build a kitchen extension - £42,168

Hip to gable loft conversion - £42,168

Granny annexe - £87,168

Garden office - £10,168

Convert a Garage - £16,168

Garage - £18,668

Build a flat roof extension - £22,168

Build a dormer loft conversion - £42,168

Concrete foundations - £6,418

Convert a bungalow loft - £29,168

Convert a basement - £39,390