Col-In the Builder is a trusted extension builder serving customers in KA13 and the surrounding area. Contact us to today to get a competitive quot...
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 KA13. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in KA13 w...
From £17,420
Andrew Wright Windows Ltd -Independent Network Installer is a trusted extension builder serving customers in KA13 and the surrounding area. Contact...

Underpinning ranges from £17,420 (Andrew Wright Windows Ltd -Independent Network Installer based in KA11) to £17,812 (Unibuild Property Services based in KA20), 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 KA13 by posting a job with HaMuch and we will send it to extension builders in KA13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Kilwinning | £33 | £250 |
| Underpin A Building near North Ayrshire | £33 | £250 |
| Underpin A Building near Irvine | £35 | £253 |
| Underpin A Building near Troon | £32 | £241 |
| Underpin A Building near Kilmarnock | £36 | £271 |
| Underpin A Building near Prestwick | £24 | £180 |
| Underpin A Building near South Ayrshire | £25 | £190 |
| Underpin A Building near Johnstone | £52 | £381 |
| Underpin A Building near Ayr | £25 | £190 |
| Underpin A Building near Renfrewshire | £54 | £398 |
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 - £17,564

Two storey extension - £88,096

Build a timber frame extension - £26,064

Build a swimming pool - £81,064

Single storey extension - £56,280

Side return extension - £42,220

Install an RSJ - £2,264

Outbuilding - £10,064

Build a Mansard loft conversion - £52,064

Loft conversion - £34,350

Build a kitchen extension - £42,064

Hip to gable loft conversion - £42,064

Granny annexe - £87,064

Garden office - £10,064

Convert a Garage - £16,064

Garage - £18,564

Build a flat roof extension - £22,064

Build a dormer loft conversion - £42,064

Concrete foundations - £6,314

Convert a bungalow loft - £29,064

Convert a basement - £38,220