Chris Czerwinski
About us: Buildmac Ltd is a well-established, trustworthy, reliable and professional business based in High Wycombe, covering all surrounding areas...
JASON SHARP SHARP BUILDERS is a trusted extension builder serving customers in Great Missenden and the surrounding area. Contact us to today to get...
Cody Stevens
Plumb & spark is an established extension buildering business in Great Missenden. We come highly recommended and provide competitive quotes for yo...
Relax... you have found a reliable extension builder in Great Missenden. Building High Wycombe is a friendly and reliable company based in Great Mi...
Mitchell & Co Building & Renovations Ltd is an established extension buildering business in Great Missenden. We come highly recommended and provide...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Be Illuminated are here to help customers who need an Extension Builder in Great Missenden. We offer a competitive rate to complete all your extens...
Steve Knight Construction is a High Wycombe based Building Company with 38 years experience in all aspects of the Construction Industry. We are abl...
Need to find an Extension Builder near you for all your extension buildering work?
JAYEM BUILDING SERVICES LTD provides a local, trusted ex...
Our building services company Charts Project Management and Build has been helping customers in Buckinghamshire and the surrounding area by providi...

Underpinning ranges from £17,540 (Mitchell & Co Building & Renovations Ltd based in HP13) to £17,892 (Jesson ladscaping and construction based in hp15), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Great Missenden by posting a job with HaMuch and we will send it to extension builders in Great Missenden.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Hazlemere | £40 | £272 |
| Underpin A Building near Chesham | £42 | £277 |
| Underpin A Building near Wycombe | £40 | £271 |
| Underpin A Building near High Wycombe | £39 | £272 |
| Underpin A Building near Berkhamsted | £41 | £263 |
| Underpin A Building near Aylesbury | £42 | £270 |
| Underpin A Building near Dacorum | £42 | £269 |
| Underpin A Building near Gerrards Cross | £43 | £282 |
| Underpin A Building near Hemel Hempstead | £42 | £270 |
| Underpin A Building near Rickmansworth | £42 | £279 |
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 - £17,719

Two storey extension - £88,329

Build a timber frame extension - £26,219

Build a swimming pool - £81,219

Single storey extension - £59,384

Side return extension - £43,966

Install an RSJ - £2,419

Outbuilding - £10,219

Build a Mansard loft conversion - £52,219

Loft conversion - £35,805

Build a kitchen extension - £42,219

Hip to gable loft conversion - £42,219

Granny annexe - £87,219

Garden office - £10,219

Convert a Garage - £16,219

Garage - £18,719

Build a flat roof extension - £22,219

Build a dormer loft conversion - £42,219

Concrete foundations - £6,469

Convert a bungalow loft - £29,219

Convert a basement - £39,966