From £17,300
Higher End Construction Limited is an established extension buildering business in WN8. We come highly recommended and provide competitive quotes f...
From £17,484
Trusted and professional extension builder in WN8. Experienced in all extension buildering work and keeping within budget and on quote. JCR Constru...
From £16,708
Need an Extension Builder in WN8? MND Building Services Ltd has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £17,260
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £17,204
Need to find an Extension Builder near you for all your extension buildering work?
NJD Joinery provides a local, trusted extension builderi...
From £17,244
Need to find an Extension Builder near you for all your extension buildering work?
C.K. Installations (North West) Limited provides a local...
From £17,500
Urban Select Construction is a trusted extension builder serving customers in WN8 and the surrounding area. Contact us to today to get a competitiv...
From £17,100
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,108
Trusted and professional extension builder in WN8. Experienced in all extension buildering work and keeping within budget and on quote. M L R Build...
From £17,276
Relax... you have found a reliable extension builder in WN8. Jc Properties is a friendly and reliable company based in WN8 who consider no job as t...

Underpinning ranges from £16,708 (MND Building Services Ltd based in WN6) to £17,500 (Urban Select Construction based in L39), 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 WN8 by posting a job with HaMuch and we will send it to extension builders in WN8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Skelmersdale | £29 | £211 |
| Underpin A Building near Orrell | £29 | £214 |
| Underpin A Building near West Lancashire | £28 | £203 |
| Underpin A Building near Ormskirk | £29 | £206 |
| Underpin A Building near Wigan | £30 | £219 |
| Underpin A Building near Ashton-in-Makerfield | £30 | £220 |
| Underpin A Building near St Helens | £31 | £224 |
| Underpin A Building near Kirkby | £31 | £222 |
| Underpin A Building near Maghull | £33 | £219 |
| Underpin A Building near Hindley | £30 | £218 |
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 - £17,218

Two storey extension - £87,578

Build a timber frame extension - £25,718

Build a swimming pool - £80,718

Single storey extension - £49,368

Side return extension - £38,332

Install an RSJ - £1,918

Outbuilding - £9,718

Build a Mansard loft conversion - £51,718

Loft conversion - £31,110

Build a kitchen extension - £41,718

Hip to gable loft conversion - £41,718

Granny annexe - £86,718

Garden office - £9,718

Convert a Garage - £15,718

Garage - £18,218

Build a flat roof extension - £21,718

Build a dormer loft conversion - £41,718

Concrete foundations - £5,968

Convert a bungalow loft - £28,718

Convert a basement - £34,332