From £17,820
Chris Warren Construction Ltd is an established extension buildering business in Great Missenden. We come highly recommended and provide competitiv...
From £17,956
AQUITAINE(BUILDING SERVICES)LT is an established and experienced local extension builder in Great Missenden. Please contact us for a free, no oblig...
From £17,852
CONCEPT BUILD are here to help customers who need an Extension Builder in Great Missenden. We offer a competitive rate to complete all your extensi...
From £17,868
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 £17,628
Trusted and professional extension builder in Great Missenden. Experienced in all extension buildering work and keeping within budget and on quote....
From £17,892
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,572
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 £17,460
N J Decorating is an established extension buildering business in Great Missenden. We come highly recommended and provide competitive quotes for yo...
From £17,772
Trusted and professional extension builder in Great Missenden. Experienced in all extension buildering work and keeping within budget and on quote....
From £18,948
Need an Extension Builder in Great Missenden? Bantry Construction Limited has been helping local clients (20 mile radius) with their extension buil...

Underpinning ranges from £17,460 (N J Decorating based in HP15) to £18,948 (Bantry Construction Limited based in HP10), 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 | £39 | £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 | £278 |
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 - £17,877

Two storey extension - £88,565

Build a timber frame extension - £26,377

Build a swimming pool - £81,377

Single storey extension - £62,536

Side return extension - £45,739

Install an RSJ - £2,577

Outbuilding - £10,377

Build a Mansard loft conversion - £52,377

Loft conversion - £37,283

Build a kitchen extension - £42,377

Hip to gable loft conversion - £42,377

Granny annexe - £87,377

Garden office - £10,377

Convert a Garage - £16,377

Garage - £18,877

Build a flat roof extension - £22,377

Build a dormer loft conversion - £42,377

Concrete foundations - £6,627

Convert a bungalow loft - £29,377

Convert a basement - £41,739