From £26,128
Trusted and professional extension builder in HP15. Experienced in all extension buildering work and keeping within budget and on quote. Steve Knig...
From £26,368
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 £26,392
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £26,072
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 £27,448
Need an Extension Builder in HP15? Bantry Construction Limited has been helping local clients (20 mile radius) with their extension buildering jobs...
From £26,272
Trusted and professional extension builder in HP15. Experienced in all extension buildering work and keeping within budget and on quote. G T Builde...
From £26,280
Our building services company Charts Project Management and Build has been helping customers in Buckinghamshire and the surrounding area by providi...
From £26,400
E E Construction is an established extension buildering business in HP15. We come highly recommended and provide competitive quotes for your work.<...
From £26,352
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 £26,040
Mitchell & Co Building & Renovations Ltd is an established extension buildering business in HP15. We come highly recommended and provide competitiv...

A timber frame extension built in HP15 typically ranges from £26,040 (Mitchell & Co Building & Renovations Ltd based in HP13) to £27,448 (Bantry Construction Limited based in HP10), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.
Comparing extension builders estimates for building a timber frame extension gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build a timber frame extension in HP15 by posting a job with HaMuch and we'll send it to extension builders in HP15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Hazlemere | £40 | £272 |
| Build A Timber Frame Extension near High Wycombe | £39 | £272 |
| Build A Timber Frame Extension near Wycombe | £39 | £271 |
| Build A Timber Frame Extension near Chesham | £42 | £277 |
| Build A Timber Frame Extension near Gerrards Cross | £43 | £282 |
| Build A Timber Frame Extension near Maidenhead | £41 | £273 |
| Build A Timber Frame Extension near Berkhamsted | £41 | £263 |
| Build A Timber Frame Extension near Rickmansworth | £42 | £278 |
| Build A Timber Frame Extension near Dacorum | £42 | £269 |
| Build A Timber Frame Extension 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