From £9,960
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,208
Maha Khaliq Design is an established and experienced local extension builder in HP27. Please contact us for a free, no obligation quote and competi...

Outbuilding costs in HP27 range from the cheapest of £9,960 (Bellwood Homes based in HP27) to the dearest of £10,208 (Maha Khaliq Design based in HP27), but these are just estimates.
Comparing extension builders estimates for building an outbuilding 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 an outbuilding in HP27 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Wycombe | £40 | £271 |
| Outbuilding near Hazlemere | £40 | £272 |
| Outbuilding near High Wycombe | £39 | £272 |
| Outbuilding near Aylesbury | £42 | £270 |
| Outbuilding near Chesham | £42 | £277 |
| Outbuilding near Berkhamsted | £41 | £263 |
| Outbuilding near Aylesbury Vale | £36 | £246 |
| Outbuilding near South Oxfordshire | £36 | £253 |
| Outbuilding near Dacorum | £42 | £269 |
| Outbuilding near Maidenhead | £41 | £273 |
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 - £17,584

Two storey extension - £88,126

Build a timber frame extension - £26,084

Build a swimming pool - £81,084

Single storey extension - £56,680

Side return extension - £42,445

Install an RSJ - £2,284

Outbuilding - £10,084

Build a Mansard loft conversion - £52,084

Loft conversion - £34,538

Build a kitchen extension - £42,084

Hip to gable loft conversion - £42,084

Granny annexe - £87,084

Garden office - £10,084

Convert a Garage - £16,084

Garage - £18,584

Build a flat roof extension - £22,084

Build a dormer loft conversion - £42,084

Concrete foundations - £6,334

Convert a bungalow loft - £29,084

Convert a basement - £38,445