From £17,636
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,492
Relax... you have found a reliable extension builder in PA12. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in PA12 w...
From £17,580
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,740
Abbey Services (Scotland) Ltd is a trusted extension builder serving customers in PA12 and the surrounding area. Contact us to today to get a compe...
From £17,684
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 £17,788
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,812
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,876
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in PA12. No obligation free quotes...
From £17,772
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in PA12 and the surrounding area. Contact us to today to get a competit...

Underpinning ranges from £16,876 (Glencroft Builders Ltd based in G81) 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 PA12 by posting a job with HaMuch and we will send it to extension builders in PA12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Renfrewshire | £54 | £398 |
| Underpin A Building near Johnstone | £52 | £381 |
| Underpin A Building near Barrhead | £35 | £257 |
| Underpin A Building near Paisley | £34 | £259 |
| Underpin A Building near Greenock | £30 | £243 |
| Underpin A Building near Port Glasgow | £32 | £250 |
| Underpin A Building near Erskine | £34 | £258 |
| Underpin A Building near Kilwinning | £33 | £249 |
| Underpin A Building near Renfrew | £35 | £264 |
| Underpin A Building near Dumbarton | £29 | £232 |
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 - £17,617

Two storey extension - £88,175

Build a timber frame extension - £26,117

Build a swimming pool - £81,117

Single storey extension - £57,336

Side return extension - £42,814

Install an RSJ - £2,317

Outbuilding - £10,117

Build a Mansard loft conversion - £52,117

Loft conversion - £34,845

Build a kitchen extension - £42,117

Hip to gable loft conversion - £42,117

Granny annexe - £87,117

Garden office - £10,117

Convert a Garage - £16,117

Garage - £18,617

Build a flat roof extension - £22,117

Build a dormer loft conversion - £42,117

Concrete foundations - £6,367

Convert a bungalow loft - £29,117

Convert a basement - £38,814