Relax... you have found a reliable extension builder in BT7. SM Plumbing & Heating is a friendly and reliable company based in BT7 who consider no ...
From £16,676
Trusted and professional extension builder in BT7. Experienced in all extension buildering work and keeping within budget and on quote. Extended li...

Underpinning ranges from £16,676 (Extended living by Gilbert-Ash based in BT12) to £16,868 (SM Plumbing & Heating based in BT7), 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 BT7 by posting a job with HaMuch and we will send it to extension builders in BT7.
"Underpin a building" - BT11, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Belfast | £23 | £161 |
| Underpin A Building near Carryduff | £23 | £158 |
| Underpin A Building near Holywood | £23 | £159 |
| Underpin A Building near Lisburn | £24 | £164 |
| Underpin A Building near Comber | £22 | £160 |
| Underpin A Building near Greenisland | £23 | £153 |
| Underpin A Building near Ballygowan | £24 | £183 |
| Underpin A Building near Saintfield | £23 | £162 |
| Underpin A Building near Hillsborough and Culcavy | £25 | £170 |
| Underpin A Building near Crumlin | £26 | £194 |
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 - £16,772

Two storey extension - £86,908

Build a timber frame extension - £25,272

Build a swimming pool - £80,272

Single storey extension - £40,440

Side return extension - £33,310

Install an RSJ - £1,472

Outbuilding - £9,272

Build a Mansard loft conversion - £51,272

Loft conversion - £26,925

Build a kitchen extension - £41,272

Hip to gable loft conversion - £41,272

Granny annexe - £86,272

Garden office - £9,272

Convert a Garage - £15,272

Garage - £17,772

Build a flat roof extension - £21,272

Build a dormer loft conversion - £41,272

Concrete foundations - £5,522

Convert a bungalow loft - £28,272

Convert a basement - £29,310