From £17,268
Wallplas is an established extension buildering business in BL2. We come highly recommended and provide competitive quotes for your work.
From £17,164
QUAYSTONE BUILDING LTD are here to help customers who need an Extension Builder in BL2. We offer a competitive rate to complete all your extension ...
From £17,188
WWS Garage Doors & Shutters is a trusted extension builder serving customers in BL2 and the surrounding area. Contact us to today to get a competit...
From £17,172
L D Debnam Building Services is an established and experienced local extension builder in BL2. Please contact us for a free, no obligation quote an...
From £17,612
Come Home To Quality. First Rate Home Builders delivers quality construction in a professional manner. Servicing Bolton and the surrounding areas o...
From £17,100
Bolton Builders is an established and experienced local extension builder in BL2. Please contact us for a free, no obligation quote and competitive...
From £17,364
We make immersive virtual experiences that transport people to real-life architecture projects in order to imagine the future.Architecture is portr...
From £17,204
BRENCOLL BUILDING is an established extension buildering business in BL2. We come highly recommended and provide competitive quotes for your work.<...
From £16,972
A AND S SCHOFIELD BLDRS LTD is an established extension buildering business in BL2. We come highly recommended and provide competitive quotes for y...
From £17,580
Astley Bridge Building Services have been established since 1999 and offer quality building services to the public who are looking for a personal s...

Underpinning ranges from £16,972 (A AND S SCHOFIELD BLDRS LTD based in BL3) to £17,612 (First Rate Home Builders based in BL2), 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 BL2 by posting a job with HaMuch and we will send it to extension builders in BL2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bolton | £31 | £219 |
| Underpin A Building near Farnworth | £30 | £219 |
| Underpin A Building near Radcliffe | £30 | £220 |
| Underpin A Building near Little Hulton | £30 | £220 |
| Underpin A Building near Bury | £30 | £220 |
| Underpin A Building near Whitefield | £31 | £229 |
| Underpin A Building near Westhoughton | £31 | £222 |
| Underpin A Building near Swinton | £32 | £235 |
| Underpin A Building near Atherton | £31 | £223 |
| Underpin A Building near Horwich | £30 | £219 |
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 - £17,262

Two storey extension - £87,644

Build a timber frame extension - £25,762

Build a swimming pool - £80,762

Single storey extension - £50,248

Side return extension - £38,827

Install an RSJ - £1,962

Outbuilding - £9,762

Build a Mansard loft conversion - £51,762

Loft conversion - £31,523

Build a kitchen extension - £41,762

Hip to gable loft conversion - £41,762

Granny annexe - £86,762

Garden office - £9,762

Convert a Garage - £15,762

Garage - £18,262

Build a flat roof extension - £21,762

Build a dormer loft conversion - £41,762

Concrete foundations - £6,012

Convert a bungalow loft - £28,762

Convert a basement - £34,827