From £17,284
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,164
Need an Extension Builder in G41? J & S Autos (Glasgow) Ltd has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £17,764
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,452
Relax... you have found a reliable extension builder in G41. Green Olive Projects LTD is a friendly and reliable company based in G41 who consider ...
From £17,484
nest is an established extension buildering business in G41. We come highly recommended and provide competitive quotes for your work.
From £17,780
Relax... you have found a reliable extension builder in G41. Arkiton is a friendly and reliable company based in G41 who consider no job as too big...
From £17,452
Arkiton is one of the first combined architecture and construction companies in Glasgow, founded in 2017 by our in-house architect. Our aim is to s...
From £17,692
If you’ve been searching for ‘Builder’s near me’ then look no further than KB Contractors . As local Builders, we’ve established...
From £17,444
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,164 (J & S Autos (Glasgow) Ltd based in G51) to £17,812 (KFM Developments LTD based in G52), 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 G41 by posting a job with HaMuch and we will send it to extension builders in G41.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Glasgow | £29 | £221 |
| Underpin A Building near Giffnock | £30 | £223 |
| Underpin A Building near Rutherglen | £29 | £218 |
| Underpin A Building near Cambuslang | £29 | £213 |
| Underpin A Building near Newton Mearns | £30 | £224 |
| Underpin A Building near Renfrew | £29 | £224 |
| Underpin A Building near Paisley | £30 | £223 |
| Underpin A Building near Bishopbriggs | £30 | £223 |
| Underpin A Building near Barrhead | £31 | £223 |
| Underpin A Building near Bearsden | £29 | £224 |
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 - £17,533

Two storey extension - £88,049

Build a timber frame extension - £26,033

Build a swimming pool - £81,033

Single storey extension - £55,656

Side return extension - £41,869

Install an RSJ - £2,233

Outbuilding - £10,033

Build a Mansard loft conversion - £52,033

Loft conversion - £34,058

Build a kitchen extension - £42,033

Hip to gable loft conversion - £42,033

Granny annexe - £87,033

Garden office - £10,033

Convert a Garage - £16,033

Garage - £18,533

Build a flat roof extension - £22,033

Build a dormer loft conversion - £42,033

Concrete foundations - £6,283

Convert a bungalow loft - £29,033

Convert a basement - £37,869