From £17,220
Relax... you have found a reliable extension builder in GL5. J SUTTON CONSTRUCTION is a friendly and reliable company based in GL5 who consider no ...
From £17,380
Relax... you have found a reliable extension builder in GL5. STROUD BUILDING COMPANY LTD is a friendly and reliable company based in GL5 who consid...
From £17,588
I am Eiran, the owner of E Partridge Building Services. I have been running my building company for over 20 years here in Stroud and the Gloucester...
From £17,276
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,436
Relax... you have found a reliable extension builder in GL5. WARD & CO LTD (BUILDING is a friendly and reliable company based in GL5 who consider n...
From £17,532
Relax... you have found a reliable extension builder in GL5. JD LANGFORD BUILDING SERVICES is a friendly and reliable company based in GL5 who cons...
From £17,588
Need an Extension Builder in GL5? SteelPad has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get...
From £17,260
ian rice building ltd are a friendly reliable business, for all your building needs.
we undertake all works from small repairs to large ...
From £17,340
MI Works Cotswolds Ltd are here to help customers who need an Extension Builder in GL5. We offer a competitive rate to complete all your extension ...
From £17,196
KP Building are here to help customers who need an Extension Builder in GL5. We offer a competitive rate to complete all your extension buildering ...

Underpinning ranges from £17,196 (KP Building based in GL2) to £17,588 (E Partridge Building Services Limited based in GL5), 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 GL5 by posting a job with HaMuch and we will send it to extension builders in GL5.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Stroud | £33 | £249 |
| Underpin A Building near Quedgeley | £31 | £247 |
| Underpin A Building near Gloucester | £30 | £234 |
| Underpin A Building near Cheltenham | £32 | £250 |
| Underpin A Building near Yate | £34 | £263 |
| Underpin A Building near Chippenham | £34 | £258 |
| Underpin A Building near South Gloucestershire | £34 | £260 |
| Underpin A Building near Bradley Stoke | £34 | £259 |
| Underpin A Building near Thamesdown | £38 | £239 |
| Underpin A Building near Stratton St Margaret | £37 | £238 |
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 - £17,382

Two storey extension - £87,822

Build a timber frame extension - £25,882

Build a swimming pool - £80,882

Single storey extension - £52,632

Side return extension - £40,168

Install an RSJ - £2,082

Outbuilding - £9,882

Build a Mansard loft conversion - £51,882

Loft conversion - £32,640

Build a kitchen extension - £41,882

Hip to gable loft conversion - £41,882

Granny annexe - £86,882

Garden office - £9,882

Convert a Garage - £15,882

Garage - £18,382

Build a flat roof extension - £21,882

Build a dormer loft conversion - £41,882

Concrete foundations - £6,132

Convert a bungalow loft - £28,882

Convert a basement - £36,168