From £18,628
Trusted and professional extension builder in HP15. Experienced in all extension buildering work and keeping within budget and on quote. Steve Knig...
From £18,868
Steve Knight Construction is a High Wycombe based Building Company with 38 years experience in all aspects of the Construction Industry. We are abl...
From £18,892
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,572
As a full-service provider, we are dedicated to delivering an outstanding fit out experience for all of our customers. With our innovative designs,...
From £19,948
Need an Extension Builder in HP15? Bantry Construction Limited has been helping local clients (20 mile radius) with their extension buildering jobs...
From £18,772
Trusted and professional extension builder in HP15. Experienced in all extension buildering work and keeping within budget and on quote. G T Builde...
From £18,780
Our building services company Charts Project Management and Build has been helping customers in Buckinghamshire and the surrounding area by providi...
From £18,900
E E Construction is an established extension buildering business in HP15. We come highly recommended and provide competitive quotes for your work.<...
From £18,852
CONCEPT BUILD are here to help customers who need an Extension Builder in HP15. We offer a competitive rate to complete all your extension builderi...
From £18,540
Mitchell & Co Building & Renovations Ltd is an established extension buildering business in HP15. We come highly recommended and provide competitiv...

Builders charge between £18,540 (Mitchell & Co Building & Renovations Ltd based in HP13) and £19,948 (Bantry Construction Limited based in HP10) in HP15 to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in HP15 by posting a job with HaMuch and we will send it to extension builders in HP15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garage near Hazlemere | £40 | £272 |
| Garage near High Wycombe | £39 | £272 |
| Garage near Wycombe | £39 | £271 |
| Garage near Chesham | £42 | £277 |
| Garage near Gerrards Cross | £43 | £282 |
| Garage near Maidenhead | £41 | £273 |
| Garage near Berkhamsted | £41 | £263 |
| Garage near Rickmansworth | £42 | £278 |
| Garage near Dacorum | £42 | £269 |
| Garage near Slough | £42 | £272 |
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 - £17,875

Two storey extension - £88,563

Build a timber frame extension - £26,375

Build a swimming pool - £81,375

Single storey extension - £62,504

Side return extension - £45,721

Install an RSJ - £2,575

Outbuilding - £10,375

Build a Mansard loft conversion - £52,375

Loft conversion - £37,268

Build a kitchen extension - £42,375

Hip to gable loft conversion - £42,375

Granny annexe - £87,375

Garden office - £10,375

Convert a Garage - £16,375

Garage - £18,875

Build a flat roof extension - £22,375

Build a dormer loft conversion - £42,375

Concrete foundations - £6,625

Convert a bungalow loft - £29,375

Convert a basement - £41,721