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Select your affordable Craigavon extension builder
Power Construction is an established and experienced local extension builder in Craigavon. Please contact us for a free, no obligation quote and co...
From £17,036
Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in Craigavon. No obligation free quotes and ...
From £16,948
Craigavon, BT66
Trusted and professional extension builder in Craigavon. Experienced in all extension buildering work and keeping within budget and on quote. The M...

Underpinning ranges from £16,860 (Power Construction based in BT65) to £17,036 (Terry Design based in BT62), 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 Craigavon by posting a job with HaMuch and we will send it to extension builders in Craigavon.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Craigavon | £23 | £181 |
| Underpin A Building near Waringstown | £23 | £167 |
| Underpin A Building near Banbridge | £29 | £205 |
| Underpin A Building near Maghaberry | £31 | £205 |
| Underpin A Building near Coalisland | £27 | £223 |
| 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 Dungannon | £30 | £238 |
| 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 - £16,948

Two storey extension - £87,172

Build a timber frame extension - £25,448

Build a swimming pool - £80,448

Single storey extension - £43,960

Side return extension - £35,290

Install an RSJ - £1,648

Outbuilding - £9,448

Build a Mansard loft conversion - £51,448

Loft conversion - £28,575

Build a kitchen extension - £41,448

Hip to gable loft conversion - £41,448

Granny annexe - £86,448

Garden office - £9,448

Convert a Garage - £15,448

Garage - £17,948

Build a flat roof extension - £21,448

Build a dormer loft conversion - £41,448

Concrete foundations - £5,698

Convert a bungalow loft - £28,448

Convert a basement - £31,290