From £16,772
apex pharaoh ltd is a trusted extension builder serving customers in Saintfield and the surrounding area. Contact us to today to get a competitive ...
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 £17,012
N W Doyle & Son is a trusted extension builder serving customers in Saintfield and the surrounding area. Contact us to today to get a competitive q...
From £16,780
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,852
Need to find an Extension Builder near you for all your extension buildering work?
Firenstack Solutions provides a local, trusted extension...
From £16,708
Need an Extension Builder in Saintfield? MIRKOW has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £16,900
T.I Building is a trusted extension builder serving customers in Saintfield and the surrounding area. Contact us to today to get a competitive quot...
From £16,676
Trusted and professional extension builder in Saintfield. Experienced in all extension buildering work and keeping within budget and on quote. Exte...
From £16,836
Need an Extension Builder in Saintfield? H.M.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many...

Underpinning ranges from £16,636 (Mount Oriel Conversions & Extensions based in BT8) to £17,012 (N W Doyle & Son based in BT24), 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 Saintfield by posting a job with HaMuch and we will send it to extension builders in Saintfield.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Saintfield | £23 | £162 |
| Underpin A Building near Ballynahinch | £19 | £189 |
| Underpin A Building near Carryduff | £23 | £158 |
| Underpin A Building near Comber | £22 | £160 |
| Underpin A Building near Ballygowan | £24 | £183 |
| Underpin A Building near Lisburn | £24 | £164 |
| Underpin A Building near Belfast | £23 | £161 |
| Underpin A Building near Hillsborough and Culcavy | £25 | £170 |
| Underpin A Building near Holywood | £23 | £159 |
| Underpin A Building near Portaferry | £22 | £164 |
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 - £16,816

Two storey extension - £86,974

Build a timber frame extension - £25,316

Build a swimming pool - £80,316

Single storey extension - £41,320

Side return extension - £33,805

Install an RSJ - £1,516

Outbuilding - £9,316

Build a Mansard loft conversion - £51,316

Loft conversion - £27,338

Build a kitchen extension - £41,316

Hip to gable loft conversion - £41,316

Granny annexe - £86,316

Garden office - £9,316

Convert a Garage - £15,316

Garage - £17,816

Build a flat roof extension - £21,316

Build a dormer loft conversion - £41,316

Concrete foundations - £5,566

Convert a bungalow loft - £28,316

Convert a basement - £29,805