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Select your affordable Compton extension builder
A Stanley Building Services is an established and experienced local extension builder in Compton. Please contact us for a free, no obligation quote...
From £17,596
Compton, RG20
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,676
Need to find an Extension Builder near you for all your extension buildering work?
A4 BUILDING & RENOVATION LTD provides a local, trusted e...
From £17,652
Need to find an Extension Builder near you for all your extension buildering work?
Complete Building Services provides a local, trusted ext...
From £17,540
Need an Extension Builder in Compton? Helyar Project Services Ltd has been helping local clients (20 mile radius) with their extension buildering j...
From £17,796
Fabric First Build Projects Ltd are here to help customers who need an Extension Builder in Compton. We offer a competitive rate to complete all yo...
From £17,532
Hartwood Oak Buildings Ltd. are here to help customers who need an Extension Builder in Compton. We offer a competitive rate to complete all your e...
From £17,668
Relax... you have found a reliable extension builder in Compton. Total Home Improvements is a friendly and reliable company based in Compton who co...

Underpinning ranges from £17,532 (Hartwood Oak Buildings Ltd. based in RG20) to £17,796 (Fabric First Build Projects Ltd based in RG14), 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 Compton by posting a job with HaMuch and we will send it to extension builders in Compton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Newbury | £37 | £262 |
| Underpin A Building near Thatcham | £38 | £266 |
| Underpin A Building near Basingstoke & Deane | £39 | £273 |
| Underpin A Building near Didcot | £36 | £266 |
| Underpin A Building near Basingstoke | £39 | £274 |
| Underpin A Building near Andover | £40 | £248 |
| Underpin A Building near Reading | £42 | £266 |
| Underpin A Building near Caversham | £38 | £265 |
| Underpin A Building near Vale of White Horse | £36 | £271 |
| Underpin A Building near Abingdon-on-Thames | £35 | £258 |
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 - £17,646

Two storey extension - £88,219

Build a timber frame extension - £26,146

Build a swimming pool - £81,146

Single storey extension - £57,920

Side return extension - £43,143

Install an RSJ - £2,346

Outbuilding - £10,146

Build a Mansard loft conversion - £52,146

Loft conversion - £35,119

Build a kitchen extension - £42,146

Hip to gable loft conversion - £42,146

Granny annexe - £87,146

Garden office - £10,146

Convert a Garage - £16,146

Garage - £18,646

Build a flat roof extension - £22,146

Build a dormer loft conversion - £42,146

Concrete foundations - £6,396

Convert a bungalow loft - £29,146

Convert a basement - £39,143