From £17,652
Experienced extension builder ready to quote for your work. RSG Construction is the best extension builder in GL2. No obligation free quotes and ma...
From £17,388
Front Row Construction are here to help customers who need an Extension Builder in GL2. We offer a competitive rate to complete all your extension ...
From £17,684
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,500
MID Construct is an established and experienced local extension builder in GL2. Please contact us for a free, no obligation quote and competitive ...
From £17,196
KP Building are here to help customers who need an Extension Builder in GL2. We offer a competitive rate to complete all your extension buildering ...
From £16,788
my Name is Philip I have over 20years exsperance in the building trade we give a very good and reliable service
From £17,332
Relax... you have found a reliable extension builder in GL2. M CHAPMAN BUILDER is a friendly and reliable company based in GL2 who consider no job ...
From £17,668
Need to find an Extension Builder near you for all your extension buildering work?
CB Home Improvements, Roofing & Building Solutions provi...
From £17,116
Jamie Tredgett Building Contractor are here to help customers who need an Extension Builder in GL2. We offer a competitive rate to complete all you...
From £17,724
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £16,788 (P J M Building Services based in GL1) to £17,724 (G MANN BUILDERS based in GL2), 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 GL2 by posting a job with HaMuch and we will send it to extension builders in GL2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Quedgeley | £31 | £247 |
| Underpin A Building near Gloucester | £30 | £235 |
| Underpin A Building near Stroud | £33 | £249 |
| Underpin A Building near Cheltenham | £32 | £250 |
| Underpin A Building near Great Malvern | £31 | £244 |
| Underpin A Building near Yate | £34 | £263 |
| Underpin A Building near Evesham | £35 | £264 |
| Underpin A Building near Hereford | £30 | £228 |
| Underpin A Building near Wychavon | £35 | £269 |
| Underpin A Building near South Gloucestershire | £34 | £260 |
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 - £17,405

Two storey extension - £87,857

Build a timber frame extension - £25,905

Build a swimming pool - £80,905

Single storey extension - £53,096

Side return extension - £40,429

Install an RSJ - £2,105

Outbuilding - £9,905

Build a Mansard loft conversion - £51,905

Loft conversion - £32,858

Build a kitchen extension - £41,905

Hip to gable loft conversion - £41,905

Granny annexe - £86,905

Garden office - £9,905

Convert a Garage - £15,905

Garage - £18,405

Build a flat roof extension - £21,905

Build a dormer loft conversion - £41,905

Concrete foundations - £6,155

Convert a bungalow loft - £28,905

Convert a basement - £36,429