From £16,860
Power Construction is an established and experienced local extension builder in Keady. Please contact us for a free, no obligation quote and compet...
From £17,516
Need to find an Extension Builder near you for all your extension buildering work?
GMC Construction provides a local, trusted extension bui...
From £17,036
Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in Keady. No obligation free quotes and many...
From £17,284
JP&S Construction Ltd is an established extension buildering business in Keady. We come highly recommended and provide competitive quotes for your ...
From £16,788
We offer a wide range of services completed to a high standard with fully trained personnel
From £16,948
Trusted and professional extension builder in Keady. Experienced in all extension buildering work and keeping within budget and on quote. The Metho...

Underpinning ranges from £16,788 (M & R McElhatton Joinery based in BT76) to £17,516 (GMC Construction based in BT70), 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 Keady by posting a job with HaMuch and we will send it to extension builders in Keady.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Craigavon | £23 | £181 |
| Underpin A Building near Banbridge | £29 | £205 |
| Underpin A Building near Dungannon | £30 | £238 |
| Underpin A Building near Coalisland | £27 | £223 |
| Underpin A Building near Waringstown | £23 | £167 |
| Underpin A Building near Maghaberry | £31 | £205 |
| Underpin A Building near Hillsborough and Culcavy | £25 | £170 |
| Underpin A Building near Kilkeel | £28 | £182 |
| Underpin A Building near Lisburn | £24 | £164 |
| 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 - £17,072

Two storey extension - £87,358

Build a timber frame extension - £25,572

Build a swimming pool - £80,572

Single storey extension - £46,440

Side return extension - £36,685

Install an RSJ - £1,772

Outbuilding - £9,572

Build a Mansard loft conversion - £51,572

Loft conversion - £29,738

Build a kitchen extension - £41,572

Hip to gable loft conversion - £41,572

Granny annexe - £86,572

Garden office - £9,572

Convert a Garage - £15,572

Garage - £18,072

Build a flat roof extension - £21,572

Build a dormer loft conversion - £41,572

Concrete foundations - £5,822

Convert a bungalow loft - £28,572

Convert a basement - £32,685