Relax... you have found a reliable extension builder in Hp14 3q. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in Hp14 3q ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Hp14 3q. Building High Wycombe is a friendly and reliable company based in Hp14 3q who cons...
Mitchell & Co Building & Renovations Ltd is an established extension buildering business in Hp14 3q. We come highly recommended and provide competi...
GREENWORKS CONSTRUCTION is an established and experienced local extension builder in Hp14 3q. Please contact us for a free, no obligation quote and...
Trusted and professional extension builder in Hp14 3q. Experienced in all extension buildering work and keeping within budget and on quote. Shaks b...
Platinum Build Ltd are here to help customers who need an Extension Builder in Hp14 3q. We offer a competitive rate to complete all your extension ...
Relax... you have found a reliable extension builder in Hp14 3q. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based in Hp14 3q...
From £17,532
Porter & Son Ltd is a trusted extension builder serving customers in Hp14 3q and the surrounding area. Contact us to today to get a competitive quo...
From £17,772
Trusted and professional extension builder in Hp14 3q. Experienced in all extension buildering work and keeping within budget and on quote. G T Bui...

Underpinning ranges from £17,380 (JOHN BURDER CONSTRUCTION LIMIT based in OX44) to £17,820 (Shaks build based in Hp12), 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 Hp14 3q by posting a job with HaMuch and we will send it to extension builders in Hp14 3q.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wycombe | £39 | £271 |
| Underpin A Building near High Wycombe | £39 | £272 |
| Underpin A Building near Hazlemere | £40 | £272 |
| Underpin A Building near South Oxfordshire | £36 | £253 |
| Underpin A Building near Aylesbury | £42 | £270 |
| Underpin A Building near Maidenhead | £41 | £273 |
| Underpin A Building near Caversham | £38 | £265 |
| Underpin A Building near Chesham | £42 | £277 |
| Underpin A Building near Woodley | £42 | £266 |
| Underpin A Building near Reading | £42 | £266 |
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 - £17,631

Two storey extension - £88,197

Build a timber frame extension - £26,131

Build a swimming pool - £81,131

Single storey extension - £57,624

Side return extension - £42,976

Install an RSJ - £2,331

Outbuilding - £10,131

Build a Mansard loft conversion - £52,131

Loft conversion - £34,980

Build a kitchen extension - £42,131

Hip to gable loft conversion - £42,131

Granny annexe - £87,131

Garden office - £10,131

Convert a Garage - £16,131

Garage - £18,631

Build a flat roof extension - £22,131

Build a dormer loft conversion - £42,131

Concrete foundations - £6,381

Convert a bungalow loft - £29,131

Convert a basement - £38,976