Need to find an Extension Builder near you for all your extension buildering work?
D Parker Design & Build provides a local, trusted extens...
WM Brickwork & Pointing are here to help customers who need an Extension Builder in BB6. We offer a competitive rate to complete all your extension...
Darren Gaynor is a trusted extension builder serving customers in BB6 and the surrounding area. Contact us to today to get a competitive quote for ...
Need an Extension Builder in BB6? NOBLETT BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering jobs fo...
Need to find an Extension Builder near you for all your extension buildering work?
J. Grimshaw provides a local, trusted extension builderi...
Lonsdale Construction is a trusted extension builder serving customers in BB6 and the surrounding area. Contact us to today to get a competitive qu...
Ash
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Garage Conversions by Joe Hanlon is a trusted extension builder serving customers in BB6 and the surrounding area. Contact us to today to get a com...
From £17,196
Techbuild Construction North West Ltd is a trusted extension builder serving customers in BB6 and the surrounding area. Contact us to today to get ...

Underpinning ranges from £17,124 (WM Brickwork & Pointing based in BB1) to £17,348 (Darren Gaynor based in BB5), 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 BB6 by posting a job with HaMuch and we will send it to extension builders in BB6.
"Underpinning" - ACCRINGTON, job posted 04/06/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Accrington | £33 | £244 |
| Underpin A Building near Blackburn | £33 | £247 |
| Underpin A Building near Burnley | £29 | £219 |
| Underpin A Building near Darwen | £34 | £255 |
| Underpin A Building near Rawtenstall | £29 | £213 |
| Underpin A Building near Nelson | £27 | £214 |
| Underpin A Building near Bamber Bridge | £30 | £216 |
| Underpin A Building near Chorley | £30 | £221 |
| Underpin A Building near Preston | £30 | £218 |
| Underpin A Building near Fulwood | £31 | £217 |
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 - £17,224

Two storey extension - £87,585

Build a timber frame extension - £25,724

Build a swimming pool - £80,724

Single storey extension - £49,471

Side return extension - £38,390

Install an RSJ - £1,924

Outbuilding - £9,724

Build a Mansard loft conversion - £51,724

Loft conversion - £31,158

Build a kitchen extension - £41,724

Hip to gable loft conversion - £41,724

Granny annexe - £86,724

Garden office - £9,724

Convert a Garage - £15,724

Garage - £18,224

Build a flat roof extension - £21,724

Build a dormer loft conversion - £41,724

Concrete foundations - £5,974

Convert a bungalow loft - £28,724

Convert a basement - £34,390