From £17,516
ProRend is an established and experienced local extension builder in G20. Please contact us for a free, no obligation quote and competitive rates. ...
From £17,428
J & J Property Services is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your ...
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 £17,444
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,484
nest is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your work.
From £17,524
Whyte homes are here to help customers who need an Extension Builder in G20. We offer a competitive rate to complete all your extension buildering ...
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 £17,780
Relax... you have found a reliable extension builder in G20. Arkiton is a friendly and reliable company based in G20 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 £17,164
Need an Extension Builder in G20? J & S Autos (Glasgow) Ltd has been helping local clients (20 mile radius) with their extension buildering jobs fo...

Underpinning ranges from £17,164 (J & S Autos (Glasgow) Ltd based in G51) to £17,780 (Arkiton based in G1), 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 G20 by posting a job with HaMuch and we will send it to extension builders in G20.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Glasgow | £34 | £258 |
| Underpin A Building near Bearsden | £34 | £262 |
| Underpin A Building near Bishopbriggs | £35 | £262 |
| Underpin A Building near Renfrew | £35 | £264 |
| Underpin A Building near Clydebank | £35 | £264 |
| Underpin A Building near Rutherglen | £34 | £254 |
| Underpin A Building near Giffnock | £35 | £260 |
| Underpin A Building near Paisley | £34 | £259 |
| Underpin A Building near Kirkintilloch | £35 | £259 |
| Underpin A Building near Cambuslang | £34 | £249 |
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 - £17,525

Two storey extension - £88,037

Build a timber frame extension - £26,025

Build a swimming pool - £81,025

Single storey extension - £55,496

Side return extension - £41,779

Install an RSJ - £2,225

Outbuilding - £10,025

Build a Mansard loft conversion - £52,025

Loft conversion - £33,983

Build a kitchen extension - £42,025

Hip to gable loft conversion - £42,025

Granny annexe - £87,025

Garden office - £10,025

Convert a Garage - £16,025

Garage - £18,525

Build a flat roof extension - £22,025

Build a dormer loft conversion - £42,025

Concrete foundations - £6,275

Convert a bungalow loft - £29,025

Convert a basement - £37,779