From £17,300
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,652
Prestige Build Services LTD is a trusted extension builder serving customers in Malborough and the surrounding area. Contact us to today to get a c...
From £17,036
Need an Extension Builder in Malborough? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £17,596
MJ solutions is an established and experienced local extension builder in Malborough. Please contact us for a free, no obligation quote and compet...
From £17,628
Relax... you have found a reliable extension builder in Malborough. CHF CONSTRUCTION is a friendly and reliable company based in Malborough who con...
From £17,556
DSA CONSTRUCTION is an established extension buildering business in Malborough. We come highly recommended and provide competitive quotes for your ...
From £17,364
Relax... you have found a reliable extension builder in Malborough. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in Malbor...
From £16,980
MR HOWELL are here to help customers who need an Extension Builder in Malborough. We offer a competitive rate to complete all your extension builde...
From £17,652
Need to find an Extension Builder near you for all your extension buildering work?
A S A BUILDING SERVICES LTD provides a local, trusted ex...
From £17,452
A D BUILDING SERVICES T/A is a trusted extension builder serving customers in Malborough and the surrounding area. Contact us to today to get a com...

Underpinning ranges from £16,980 (MR HOWELL based in SN3) to £17,652 (Prestige Build Services LTD based in SN5), 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 Malborough by posting a job with HaMuch and we will send it to extension builders in Malborough.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Swindon | £38 | £238 |
| Underpin A Building near Stratton St Margaret | £37 | £238 |
| Underpin A Building near Calne | £29 | £225 |
| Underpin A Building near West Wiltshire | £32 | £242 |
| Underpin A Building near North Wiltshire | £32 | £242 |
| Underpin A Building near Devizes | £32 | £242 |
| Underpin A Building near Thamesdown | £38 | £239 |
| Underpin A Building near Newbury | £37 | £262 |
| Underpin A Building near Andover | £40 | £248 |
| Underpin A Building near Vale of White Horse | £36 | £271 |
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 - £17,422

Two storey extension - £87,882

Build a timber frame extension - £25,922

Build a swimming pool - £80,922

Single storey extension - £53,432

Side return extension - £40,618

Install an RSJ - £2,122

Outbuilding - £9,922

Build a Mansard loft conversion - £51,922

Loft conversion - £33,015

Build a kitchen extension - £41,922

Hip to gable loft conversion - £41,922

Granny annexe - £86,922

Garden office - £9,922

Convert a Garage - £15,922

Garage - £18,422

Build a flat roof extension - £21,922

Build a dormer loft conversion - £41,922

Concrete foundations - £6,172

Convert a bungalow loft - £28,922

Convert a basement - £36,618