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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...
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...

Building a granny annexe ranges from £86,928 (GS Fabric Ltd based in E2) to £87,400 (Five Star Builder based in N16), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Bethnal Green by posting a job with HaMuch. We will send it to extension builders in Bethnal Green who will be happy to help you.
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 - £17,685

Two storey extension - £88,277

Build a timber frame extension - £26,185

Build a swimming pool - £81,185

Single storey extension - £58,696

Side return extension - £43,579

Install an RSJ - £2,385

Outbuilding - £10,185

Build a Mansard loft conversion - £52,185

Loft conversion - £35,483

Build a kitchen extension - £42,185

Hip to gable loft conversion - £42,185

Granny annexe - £87,185

Garden office - £10,185

Convert a Garage - £16,185

Garage - £18,685

Build a flat roof extension - £22,185

Build a dormer loft conversion - £42,185

Concrete foundations - £6,435

Convert a bungalow loft - £29,185

Convert a basement - £39,579