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Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in SE5. No obligation free quotes and m...
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in SE5. No obligation free qu...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in SE5. No obligation free quot...
Trusted and professional extension builder in SE5. Experienced in all extension buildering work and keeping within budget and on quote. Vidanov Bui...
Camberwell, SE5
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in SE5. We offer a competitive rate to complete all your extens...
Peter Cesma
Experienced builder in all aspects of building works. All work guaranteed. Quality finish, promt ,honest and reliable services. Public liabil...
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...
AAA Design Decorators are here to help customers who need an Extension Builder in SE5. We offer a competitive rate to complete all your extension b...
Need to find an Extension Builder near you for all your extension buildering work?
AGRI CONSTRUCTION provides a local, trusted extension bu...

Garden offices range from the cheapest of £10,024 (AGRI CONSTRUCTION based in SE1) to the dearest of £10,456 (Ask Building based in SE1), 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 SE5 by posting a job with HaMuch. We'll send it to extension builders in SE5.
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 - £17,726

Two storey extension - £88,340

Build a timber frame extension - £26,226

Build a swimming pool - £81,226

Single storey extension - £59,528

Side return extension - £44,047

Install an RSJ - £2,426

Outbuilding - £10,226

Build a Mansard loft conversion - £52,226

Loft conversion - £35,873

Build a kitchen extension - £42,226

Hip to gable loft conversion - £42,226

Granny annexe - £87,226

Garden office - £10,226

Convert a Garage - £16,226

Garage - £18,726

Build a flat roof extension - £22,226

Build a dormer loft conversion - £42,226

Concrete foundations - £6,476

Convert a bungalow loft - £29,226

Convert a basement - £40,047