From £17,140
Banbridge, BT32
With extensive extension buildering experience, we provide reliable, high-quality workmanship at competitive prices. G K Contracts Building & Joine...
From £16,948
Trusted and professional extension builder in Banbridge. Experienced in all extension buildering work and keeping within budget and on quote. The M...
From £16,860
Power Construction is an established and experienced local extension builder in Banbridge. 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 Banbridge. No obligation free quotes and ...
From £16,900
T.I Building is a trusted extension builder serving customers in Banbridge and the surrounding area. Contact us to today to get a competitive quote...
From £16,884
Relax... you have found a reliable extension builder in Banbridge. Finch Construction NI is a friendly and reliable company based in Banbridge who ...
From £17,012
N W Doyle & Son is a trusted extension builder serving customers in Banbridge and the surrounding area. Contact us to today to get a competitive qu...
From £16,636
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
From £16,836
Trusted and professional extension builder in Banbridge. Experienced in all extension buildering work and keeping within budget and on quote. Belfa...

Underpinning ranges from £16,636 (Mount Oriel Conversions & Extensions based in BT8) 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 Banbridge by posting a job with HaMuch and we will send it to extension builders in Banbridge.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Banbridge | £29 | £205 |
| Underpin A Building near Waringstown | £23 | £167 |
| Underpin A Building near Craigavon | £23 | £181 |
| Underpin A Building near Hillsborough and Culcavy | £25 | £170 |
| Underpin A Building near Maghaberry | £31 | £205 |
| Underpin A Building near Lisburn | £24 | £164 |
| Underpin A Building near Ballynahinch | £19 | £189 |
| Underpin A Building near Saintfield | £23 | £162 |
| Underpin A Building near Carryduff | £23 | £158 |
| 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 - £17,031

Two storey extension - £87,297

Build a timber frame extension - £25,531

Build a swimming pool - £80,531

Single storey extension - £45,624

Side return extension - £36,226

Install an RSJ - £1,731

Outbuilding - £9,531

Build a Mansard loft conversion - £51,531

Loft conversion - £29,355

Build a kitchen extension - £41,531

Hip to gable loft conversion - £41,531

Granny annexe - £86,531

Garden office - £9,531

Convert a Garage - £15,531

Garage - £18,031

Build a flat roof extension - £21,531

Build a dormer loft conversion - £41,531

Concrete foundations - £5,781

Convert a bungalow loft - £28,531

Convert a basement - £32,226