From £17,532
Relax... you have found a reliable extension builder in Darvel. P & N Joiners & Builders is a friendly and reliable company based in Darvel who con...
From £17,508
Experienced extension builder ready to quote for your work. Gerry Doyle Building is the best extension builder in Darvel. No obligation free quotes...
From £17,532
Col-In the Builder is a trusted extension builder serving customers in Darvel and the surrounding area. Contact us to today to get a competitive qu...
From £17,580
Adelphi Design & Construction Ltd is an established and experienced local extension builder in Darvel. Please contact us for a free, no obligation ...
From £17,796
Need an Extension Builder in Darvel? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £17,244
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
From £17,308
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in Darvel and the surrounding area. Contact us to today to get a co...
From £17,356
Need to find an Extension Builder near you for all your extension buildering work?
Montgomery Wet Trades provides a local, trusted extensio...
From £17,804
We are a young vibrant company specialised in plastering Roughcasting and roofing (wet trades) we have a fresh approach and a mission to offer some...
From £17,516
Trusted and professional extension builder in Darvel. Experienced in all extension buildering work and keeping within budget and on quote. Sdh Buil...

Underpinning ranges from £17,244 (ABG Resin Bond & Landscaping Ltd based in KA6) to £17,804 (Premier Roughcast ,Coatings Specialists based in ML11), 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 Darvel by posting a job with HaMuch and we will send it to extension builders in Darvel.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Kilmarnock | £36 | £271 |
| Underpin A Building near Newton Mearns | £35 | £263 |
| Underpin A Building near East Kilbride | £34 | £247 |
| Underpin A Building near Giffnock | £35 | £260 |
| Underpin A Building near Irvine | £35 | £253 |
| Underpin A Building near Barrhead | £35 | £255 |
| Underpin A Building near Larkhall | £31 | £237 |
| Underpin A Building near Blantyre | £33 | £240 |
| Underpin A Building near Rutherglen | £34 | £255 |
| Underpin A Building near Prestwick | £24 | £180 |
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 - £17,518

Two storey extension - £88,026

Build a timber frame extension - £26,018

Build a swimming pool - £81,018

Single storey extension - £55,352

Side return extension - £41,698

Install an RSJ - £2,218

Outbuilding - £10,018

Build a Mansard loft conversion - £52,018

Loft conversion - £33,915

Build a kitchen extension - £42,018

Hip to gable loft conversion - £42,018

Granny annexe - £87,018

Garden office - £10,018

Convert a Garage - £16,018

Garage - £18,518

Build a flat roof extension - £22,018

Build a dormer loft conversion - £42,018

Concrete foundations - £6,268

Convert a bungalow loft - £29,018

Convert a basement - £37,698