From £17,532
Col-In the Builder is a trusted extension builder serving customers in Wemyss Bay and the surrounding area. Contact us to today to get a competitiv...
From £16,876
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Wemyss Bay. No obligation free ...
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 £17,492
Relax... you have found a reliable extension builder in Wemyss Bay. Adrian K Wilson Roofing Specialist is a friendly and reliable company based in ...
From £17,772
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in Wemyss Bay and the surrounding area. Contact us to today to get a co...
From £17,604
DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in Wemyss Bay and the surrounding area. Contact us to today to get a...
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 £17,788
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,628
LAKE BUILDERS LTD is an established extension buildering business in Wemyss Bay. We come highly recommended and provide competitive quotes for your...
From £17,684
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

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 Wemyss Bay by posting a job with HaMuch and we will send it to extension builders in Wemyss Bay.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Port Glasgow | £32 | £250 |
| Underpin A Building near Greenock | £30 | £243 |
| Underpin A Building near Dumbarton | £29 | £232 |
| Underpin A Building near Renfrewshire | £54 | £398 |
| Underpin A Building near Johnstone | £52 | £381 |
| Underpin A Building near Erskine | £34 | £258 |
| Underpin A Building near Kilwinning | £33 | £250 |
| Underpin A Building near North Ayrshire | £33 | £250 |
| Underpin A Building near Paisley | £34 | £259 |
| Underpin A Building near Clydebank | £35 | £264 |
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 - £88,124

Build a timber frame extension - £26,082

Build a swimming pool - £81,082

Single storey extension - £56,648

Side return extension - £42,427

Install an RSJ - £2,282

Outbuilding - £10,082

Build a Mansard loft conversion - £52,082

Loft conversion - £34,523

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 - £38,427