From £10,088
Greenhithe, DA9
Need an Extension Builder in DA9? DP Construction has been helping local clients (10 mile radius) with their extension buildering jobs for many yea...
From £10,120
ForsBuild Construction Ltd is a trusted extension builder serving customers in DA9 and the surrounding area. Contact us to today to get a competiti...
From £9,864
HYDER CONSTRUCTION LTD is a trusted extension builder serving customers in DA9 and the surrounding area. Contact us to today to get a competitive q...
From £10,216
Need to find an Extension Builder near you for all your extension buildering work?
A Tutton Building Services Limited provides a local, tru...
From £10,272
L A CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in DA9. We offer a competitive rate to complete all your extensio...
From £10,320
ABAH Property Services Ltd is a trusted extension builder serving customers in DA9 and the surrounding area. Contact us to today to get a competiti...
From £10,128
Relax... you have found a reliable extension builder in DA9. JPRMS Ltd is a friendly and reliable company based in DA9 who consider no job as too b...
From £10,096
FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in DA9. We offer a competitive rate to complete all your extensi...
From £9,992
Warren Miller Building is an established extension buildering business in DA9. We come highly recommended and provide competitive quotes for your w...
From £10,392
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Garden offices range from the cheapest of £9,864 (HYDER CONSTRUCTION LTD based in DA11) to the dearest of £10,392 (Amberly Builders based in DA1), 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 DA9 by posting a job with HaMuch. We'll send it to extension builders in DA9.
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 - £17,649

Two storey extension - £88,223

Build a timber frame extension - £26,149

Build a swimming pool - £81,149

Single storey extension - £57,976

Side return extension - £43,174

Install an RSJ - £2,349

Outbuilding - £10,149

Build a Mansard loft conversion - £52,149

Loft conversion - £35,145

Build a kitchen extension - £42,149

Hip to gable loft conversion - £42,149

Granny annexe - £87,149

Garden office - £10,149

Convert a Garage - £16,149

Garage - £18,649

Build a flat roof extension - £22,149

Build a dormer loft conversion - £42,149

Concrete foundations - £6,399

Convert a bungalow loft - £29,149

Convert a basement - £39,174