Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,516 (M Davies & Sons based in LL11) to £17,516 (M Davies & Sons based in LL11), 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 LL13 by posting a job with HaMuch and we will send it to extension builders in LL13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wrexham Maelor | £34 | £261 |
| Underpin A Building near Wrexham | £34 | £263 |
| Underpin A Building near Vale Royal | £35 | £251 |
| Underpin A Building near Hawarden | £33 | £228 |
| Underpin A Building near Chester | £32 | £220 |
| Underpin A Building near Flintshire | £33 | £224 |
| Underpin A Building near Connah's Quay | £33 | £229 |
| Underpin A Building near Ellesmere Port | £31 | £214 |
| Underpin A Building near Heswall | £30 | £213 |
| Underpin A Building near Winsford | £31 | £232 |
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 - £17,516

Two storey extension - £88,024

Build a timber frame extension - £26,016

Build a swimming pool - £81,016

Single storey extension - £55,320

Side return extension - £41,680

Install an RSJ - £2,216

Outbuilding - £10,016

Build a Mansard loft conversion - £52,016

Loft conversion - £33,900

Build a kitchen extension - £42,016

Hip to gable loft conversion - £42,016

Granny annexe - £87,016

Garden office - £10,016

Convert a Garage - £16,016

Garage - £18,516

Build a flat roof extension - £22,016

Build a dormer loft conversion - £42,016

Concrete foundations - £6,266

Convert a bungalow loft - £29,016

Convert a basement - £37,680