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Need an Extension Builder in Deptford? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension buildering ...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Deptford. No obligation free quo...
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Deptford. No obligation free quotes ...
Trusted and professional extension builder in Deptford. Experienced in all extension buildering work and keeping within budget and on quote. Vidano...
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in Deptford. We offer a competitive rate to complete all your e...
At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...
Need to find an Extension Builder near you for all your extension buildering work?
Ask Building provides a local, trusted extension builder...
Daniel Dixon
Need to find an Extension Builder near you for all your extension buildering work?
Renobuild Group provides a local, trusted extension buil...
AAA Design Decorators are here to help customers who need an Extension Builder in Deptford. We offer a competitive rate to complete all your extens...
Trusted and professional extension builder in Deptford. Experienced in all extension buildering work and keeping within budget and on quote. ROOSE ...

Building a granny annexe ranges from £87,056 (The Perfectionist based in SE22) to £87,456 (Ask Building based in SE1), 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 Deptford by posting a job with HaMuch. We will send it to extension builders in Deptford 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 - £17,754

Two storey extension - £88,382

Build a timber frame extension - £26,254

Build a swimming pool - £81,254

Single storey extension - £60,088

Side return extension - £44,362

Install an RSJ - £2,454

Outbuilding - £10,254

Build a Mansard loft conversion - £52,254

Loft conversion - £36,135

Build a kitchen extension - £42,254

Hip to gable loft conversion - £42,254

Granny annexe - £87,254

Garden office - £10,254

Convert a Garage - £16,254

Garage - £18,754

Build a flat roof extension - £22,254

Build a dormer loft conversion - £42,254

Concrete foundations - £6,504

Convert a bungalow loft - £29,254

Convert a basement - £40,362