Power Construction is an established and experienced local extension builder in Derryadd. Please contact us for a free, no obligation quote and com...
From £16,948
Trusted and professional extension builder in Derryadd. Experienced in all extension buildering work and keeping within budget and on quote. The Me...
From £17,036
Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in Derryadd. No obligation free quotes and m...

Underpinning ranges from £16,860 (Power Construction based in BT65) to £18,060 (Build a Boiler based in BT67), 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 Derryadd by posting a job with HaMuch and we will send it to extension builders in Derryadd.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Waringstown | £23 | £167 |
| Underpin A Building near Craigavon | £23 | £181 |
| Underpin A Building near Maghaberry | £31 | £205 |
| Underpin A Building near Banbridge | £29 | £205 |
| Underpin A Building near Hillsborough and Culcavy | £25 | £170 |
| Underpin A Building near Lisburn | £24 | £164 |
| Underpin A Building near Crumlin | £26 | £194 |
| Underpin A Building near Coalisland | £27 | £223 |
| Underpin A Building near Carryduff | £23 | £158 |
| Underpin A Building near Ballynahinch | £19 | £189 |
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 - £17,226

Two storey extension - £87,589

Build a timber frame extension - £25,726

Build a swimming pool - £80,726

Single storey extension - £49,520

Side return extension - £38,418

Install an RSJ - £1,926

Outbuilding - £9,726

Build a Mansard loft conversion - £51,726

Loft conversion - £31,181

Build a kitchen extension - £41,726

Hip to gable loft conversion - £41,726

Granny annexe - £86,726

Garden office - £9,726

Convert a Garage - £15,726

Garage - £18,226

Build a flat roof extension - £21,726

Build a dormer loft conversion - £41,726

Concrete foundations - £5,976

Convert a bungalow loft - £28,726

Convert a basement - £34,418