From £17,076
Relax... you have found a reliable extension builder in LL28. UK Leisure Living Ltd is a friendly and reliable company based in LL28 who consider n...
From £17,300
Need an Extension Builder in LL28? Chris's Roofing & Property Maintenance has been helping local clients (20 mile radius) with their extension buil...
From £16,956
S ROBERTS ROOFING are here to help customers who need an Extension Builder in LL28. We offer a competitive rate to complete all your extension buil...
From £17,332
Wood floor services is a trusted extension builder serving customers in LL28 and the surrounding area. Contact us to today to get a competitive qu...
From £16,916
Octagon Construction Ltd is a trusted extension builder serving customers in LL28 and the surrounding area. Contact us to today to get a competitiv...
From £17,372
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,228
Need to find an Extension Builder near you for all your extension buildering work?
W F CLAYTON & CO LTD provides a local, trusted extension...
From £17,220
Need an Extension Builder in LL28? Hughes Construction has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £16,948
We are a company with over 30 years of experience. Who pride ourselves by providing a honest reliable service
From £17,020
Relax... you have found a reliable extension builder in LL28. Property Maintenance Solutions is a friendly and reliable company based in LL28 who c...

Underpinning ranges from £16,916 (Octagon Construction Ltd based in LL18) to £17,372 (Brothers Construction based in LL18), 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 LL28 by posting a job with HaMuch and we will send it to extension builders in LL28.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Colwyn Bay | £28 | £211 |
| Underpin A Building near Conway | £28 | £211 |
| Underpin A Building near Llandudno | £28 | £211 |
| Underpin A Building near Conwy | £28 | £211 |
| Underpin A Building near Rhyl | £28 | £209 |
| Underpin A Building near Prestatyn | £29 | £213 |
| Underpin A Building near Flintshire | £33 | £224 |
| Underpin A Building near Heswall | £30 | £213 |
| Underpin A Building near Wirral | £31 | £219 |
| Underpin A Building near Connah's Quay | £33 | £229 |
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 - £17,137

Two storey extension - £87,455

Build a timber frame extension - £25,637

Build a swimming pool - £80,637

Single storey extension - £47,736

Side return extension - £37,414

Install an RSJ - £1,837

Outbuilding - £9,637

Build a Mansard loft conversion - £51,637

Loft conversion - £30,345

Build a kitchen extension - £41,637

Hip to gable loft conversion - £41,637

Granny annexe - £86,637

Garden office - £9,637

Convert a Garage - £15,637

Garage - £18,137

Build a flat roof extension - £21,637

Build a dormer loft conversion - £41,637

Concrete foundations - £5,887

Convert a bungalow loft - £28,637

Convert a basement - £33,414