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 £17,100
Trusted and professional extension builder in PA14. Experienced in all extension buildering work and keeping within budget and on quote. CR Joiners...
From £17,612
Need to find an Extension Builder near you for all your extension buildering work?
Price It Cost Consultants Ltd provides a local, trusted ...
From £17,604
DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in PA14 and the surrounding area. Contact us to today to get a compe...
From £18,108
MARTIN POWER BUILDERS are here to help customers who need an Extension Builder in PA14. We offer a competitive rate to complete all your extension ...
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 £16,876
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in PA14. No obligation free quotes...
From £17,772
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in PA14 and the surrounding area. Contact us to today to get a competit...
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 PA14 and the surrounding area. Contact us to today to get a compe...

Underpinning ranges from £16,876 (Glencroft Builders Ltd based in G81) to £18,108 (MARTIN POWER BUILDERS based in PA16), 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 PA14 by posting a job with HaMuch and we will send it to extension builders in PA14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Greenock | £30 | £243 |
| Underpin A Building near Port Glasgow | £32 | £250 |
| Underpin A Building near Dumbarton | £29 | £232 |
| Underpin A Building near Renfrewshire | £54 | £398 |
| Underpin A Building near Erskine | £34 | £258 |
| Underpin A Building near Johnstone | £52 | £381 |
| Underpin A Building near Clydebank | £35 | £264 |
| Underpin A Building near Renfrew | £35 | £264 |
| Underpin A Building near Paisley | £34 | £259 |
| Underpin A Building near Bearsden | £34 | £262 |
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 - £17,582

Two storey extension - £88,122

Build a timber frame extension - £26,082

Build a swimming pool - £81,082

Single storey extension - £56,632

Side return extension - £42,418

Install an RSJ - £2,282

Outbuilding - £10,082

Build a Mansard loft conversion - £52,082

Loft conversion - £34,515

Build a kitchen extension - £42,082

Hip to gable loft conversion - £42,082

Granny annexe - £87,082

Garden office - £10,082

Convert a Garage - £16,082

Garage - £18,582

Build a flat roof extension - £22,082

Build a dormer loft conversion - £42,082

Concrete foundations - £6,332

Convert a bungalow loft - £29,082

Convert a basement - £38,418