From £17,708
Chesham, HP5
Relax... you have found a reliable extension builder in Chesham. M P TIMLIN (CONSTRUCTION) LTD is a friendly and reliable company based in Chesham ...
From £17,524
Chesham, HP5
Trusted and professional extension builder in Chesham. Experienced in all extension buildering work and keeping within budget and on quote. ALEXAND...
From £17,916
Chesham, HP5
Relax... you have found a reliable extension builder in Chesham. GURNEY CONSTRUCTION is a friendly and reliable company based in Chesham who consid...
From £17,676
Beech is an established and experienced local extension builder in Chesham. Please contact us for a free, no obligation quote and competitive rates...
From £17,852
Distinct Build Ltd. has been built purely on referrals. We care about our client's ideas and needs and work tirelessly to deliver their dreams.
...From £17,732
Our building services company Headline Construction Ltd have twenty years experience and have been helping customers in Berkhamstead, Milton Keynes...
From £17,788
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,652
Hamilton Refurbishments is an established and experienced local extension builder in Chesham. Please contact us for a free, no obligation quote and...
From £17,756
Need an Extension Builder in Chesham? Mitre Peak Lofts Ltd has been helping local clients (10 mile radius) with their extension buildering jobs for...
From £17,868
I GIBBS BUILDING SERVICES is an established extension buildering business in Chesham. We come highly recommended and provide competitive quotes for...

Underpinning ranges from £17,524 (ALEXANDER CONSTRUCTION based in HP5) to £17,916 (GURNEY CONSTRUCTION based in HP5), 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 Chesham by posting a job with HaMuch and we will send it to extension builders in Chesham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Chesham | £42 | £277 |
| Underpin A Building near Berkhamsted | £41 | £263 |
| Underpin A Building near Dacorum | £42 | £269 |
| Underpin A Building near Hemel Hempstead | £42 | £270 |
| Underpin A Building near Hazlemere | £40 | £272 |
| Underpin A Building near Rickmansworth | £42 | £278 |
| Underpin A Building near Gerrards Cross | £43 | £282 |
| Underpin A Building near High Wycombe | £39 | £272 |
| Underpin A Building near Watford | £43 | £278 |
| Underpin A Building near Wycombe | £39 | £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 - £17,747

Two storey extension - £88,371

Build a timber frame extension - £26,247

Build a swimming pool - £81,247

Single storey extension - £59,944

Side return extension - £44,281

Install an RSJ - £2,447

Outbuilding - £10,247

Build a Mansard loft conversion - £52,247

Loft conversion - £36,068

Build a kitchen extension - £42,247

Hip to gable loft conversion - £42,247

Granny annexe - £87,247

Garden office - £10,247

Convert a Garage - £16,247

Garage - £18,747

Build a flat roof extension - £22,247

Build a dormer loft conversion - £42,247

Concrete foundations - £6,497

Convert a bungalow loft - £29,247

Convert a basement - £40,281