Julian Cafun
Need an Extension Builder in Kent? Saintflexs has been helping local clients (10 mile radius) with their extension buildering jobs for many years....
Max Dixon
We are a construction company specialising in all aspects of building works, loft construction Extension complete home renovation, structural ...
R Tredget & Son are here to help customers who need an Extension Builder in Kent. We offer a competitive rate to complete all your extension builde...
Tommy House
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in Kent and the surrounding area. Contact us to today to get a com...
We provide our clients with excellent service and quality. Whether you are looking to extend or upgrade, our professional team has the skills and e...
Relax... you have found a reliable extension builder in Kent. JPRMS Ltd is a friendly and reliable company based in Kent who consider no job as too...
Lee
Hyde Building Ltd are here to help customers who need an Extension Builder in Kent. We offer a competitive rate to complete all your extension buil...
Trusted and professional extension builder in Kent. Experienced in all extension buildering work and keeping within budget and on quote. AM Builder...
Philip Boateg
Need to find an Extension Builder near you for all your extension buildering work?
PFM General Building Services Ltd provides a local, trus...
Experienced extension builder ready to quote for your work. Liviu Toma is the best extension builder in Kent. No obligation free quotes and many ha...

Garden offices range from the cheapest of £10,064 (Hyde Building Ltd based in DA2) to the dearest of £10,616 (HOUSE BUILDING SERVICES LIMITED based in DA16), 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 Kent by posting a job with HaMuch. We'll send it to extension builders in Kent.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Bexley | £42 | £265 |
| Garden Office near Dartford | £41 | £265 |
| Garden Office near Bromley | £43 | £268 |
| Garden Office near Northfleet | £41 | £261 |
| Garden Office near Sevenoaks | £38 | £234 |
| Garden Office near Grays | £41 | £261 |
| Garden Office near South Ockendon | £42 | £264 |
| Garden Office near Lewisham | £43 | £268 |
| Garden Office near Gravesend | £40 | £260 |
| Garden Office near Greenwich | £44 | £268 |
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 - £17,742

Two storey extension - £88,364

Build a timber frame extension - £26,242

Build a swimming pool - £81,242

Single storey extension - £59,848

Side return extension - £44,227

Install an RSJ - £2,442

Outbuilding - £10,242

Build a Mansard loft conversion - £52,242

Loft conversion - £36,023

Build a kitchen extension - £42,242

Hip to gable loft conversion - £42,242

Granny annexe - £87,242

Garden office - £10,242

Convert a Garage - £16,242

Garage - £18,742

Build a flat roof extension - £22,242

Build a dormer loft conversion - £42,242

Concrete foundations - £6,492

Convert a bungalow loft - £29,242

Convert a basement - £40,227