From £17,396
Relax... you have found a reliable extension builder in Bala. L & J BUILDERS is a friendly and reliable company based in Bala who consider no job a...
From £17,220
In the trade since left school(1990),accommodating and reliable,

Underpinning ranges from £17,220 (Kevin Davies Building Contractors based in SY10) to £17,396 (L & J BUILDERS based in LL15), 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 Bala by posting a job with HaMuch and we will send it to extension builders in Bala.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wrexham | £34 | £263 |
| Underpin A Building near Flintshire | £33 | £224 |
| Underpin A Building near Conwy | £28 | £211 |
| Underpin A Building near Colwyn Bay | £28 | £211 |
| Underpin A Building near Wrexham Maelor | £34 | £261 |
| Underpin A Building near Conway | £28 | £211 |
| Underpin A Building near Rhyl | £28 | £209 |
| Underpin A Building near Llandudno | £28 | £211 |
| Underpin A Building near Vale Royal | £35 | £251 |
| Underpin A Building near Prestatyn | £29 | £213 |
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 - £17,308

Two storey extension - £87,712

Build a timber frame extension - £25,808

Build a swimming pool - £80,808

Single storey extension - £51,160

Side return extension - £39,340

Install an RSJ - £2,008

Outbuilding - £9,808

Build a Mansard loft conversion - £51,808

Loft conversion - £31,950

Build a kitchen extension - £41,808

Hip to gable loft conversion - £41,808

Granny annexe - £86,808

Garden office - £9,808

Convert a Garage - £15,808

Garage - £18,308

Build a flat roof extension - £21,808

Build a dormer loft conversion - £41,808

Concrete foundations - £6,058

Convert a bungalow loft - £28,808

Convert a basement - £35,340