From £10,160
Need to find an Extension Builder near you for all your extension buildering work?
Loudwater Building Services provides a local, trusted ex...
From £10,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,400
Lazor Construction Ltd are here to help customers who need an Extension Builder in HP10. We offer a competitive rate to complete all your extension...
From £10,176
Experienced extension builder ready to quote for your work. G C JONES CONSTRUCTION CO LTD is the best extension builder in HP10. No obligation free...
From £10,400
E E Construction is an established extension buildering business in HP10. We come highly recommended and provide competitive quotes for your work.<...
From £10,096
Relax... you have found a reliable extension builder in HP10. Building High Wycombe is a friendly and reliable company based in HP10 who consider n...
From £9,904
Belvedere is an established and experienced local extension builder in HP10. Please contact us for a free, no obligation quote and competitive rate...
From £10,280
Our building services company Charts Project Management and Build has been helping customers in Buckinghamshire and the surrounding area by providi...
From £10,280
Stonehouse Consultants is an independent specialist construction consultancy delivering a range of quality construction services to projects throug...
From £11,448
Need an Extension Builder in HP10? Bantry Construction Limited has been helping local clients (20 mile radius) with their extension buildering jobs...

Garden offices range from the cheapest of £9,904 (Belvedere based in HP10) to the dearest of £11,448 (Bantry Construction Limited based in HP10), 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 HP10 by posting a job with HaMuch. We'll send it to extension builders in HP10.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Hazlemere | £40 | £272 |
| Garden Office near High Wycombe | £39 | £272 |
| Garden Office near Wycombe | £39 | £271 |
| Garden Office near Maidenhead | £41 | £273 |
| Garden Office near Gerrards Cross | £43 | £282 |
| Garden Office near Chesham | £42 | £277 |
| Garden Office near Slough | £42 | £272 |
| Garden Office near Windsor & Maidenhead | £42 | £272 |
| Garden Office near Rickmansworth | £42 | £278 |
| Garden Office near Windsor | £41 | £271 |
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 - £17,846

Two storey extension - £88,518

Build a timber frame extension - £26,346

Build a swimming pool - £81,346

Single storey extension - £61,912

Side return extension - £45,388

Install an RSJ - £2,546

Outbuilding - £10,346

Build a Mansard loft conversion - £52,346

Loft conversion - £36,990

Build a kitchen extension - £42,346

Hip to gable loft conversion - £42,346

Granny annexe - £87,346

Garden office - £10,346

Convert a Garage - £16,346

Garage - £18,846

Build a flat roof extension - £22,346

Build a dormer loft conversion - £42,346

Concrete foundations - £6,596

Convert a bungalow loft - £29,346

Convert a basement - £41,388