From £16,852
Cregagh, BT6
Need to find an Extension Builder near you for all your extension buildering work?
Firenstack Solutions provides a local, trusted extension...
From £16,708
Cregagh, BT6
Need an Extension Builder in Cregagh? MIRKOW has been helping local clients (20 mile radius) with their extension buildering jobs for many years. G...
From £16,780
Cregagh, BT6
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,868
Relax... you have found a reliable extension builder in Cregagh. SM Plumbing & Heating is a friendly and reliable company based in Cregagh who cons...
From £16,676
Trusted and professional extension builder in Cregagh. Experienced in all extension buildering work and keeping within budget and on quote. Extende...
From £16,836
Need an Extension Builder in Cregagh? H.M.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
From £16,884
Designco Ltd is an established extension buildering business in Cregagh. We come highly recommended and provide competitive quotes for your work.
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 Cregagh. Experienced in all extension buildering work and keeping within budget and on quote. Belfast...

Underpinning ranges from £16,636 (Mount Oriel Conversions & Extensions based in BT8) to £16,988 (AK Building Services based in BT8), 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 Cregagh by posting a job with HaMuch and we will send it to extension builders in Cregagh.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Belfast | £23 | £161 |
| Underpin A Building near Carryduff | £23 | £158 |
| Underpin A Building near Holywood | £23 | £159 |
| 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 Greenisland | £23 | £153 |
| Underpin A Building near Saintfield | £23 | £162 |
| Underpin A Building near Hillsborough and Culcavy | £25 | £170 |
| Underpin A Building near Bangor | £24 | £183 |
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 - £16,806

Two storey extension - £86,960

Build a timber frame extension - £25,306

Build a swimming pool - £80,306

Single storey extension - £41,128

Side return extension - £33,697

Install an RSJ - £1,506

Outbuilding - £9,306

Build a Mansard loft conversion - £51,306

Loft conversion - £27,248

Build a kitchen extension - £41,306

Hip to gable loft conversion - £41,306

Granny annexe - £86,306

Garden office - £9,306

Convert a Garage - £15,306

Garage - £17,806

Build a flat roof extension - £21,306

Build a dormer loft conversion - £41,306

Concrete foundations - £5,556

Convert a bungalow loft - £28,306

Convert a basement - £29,697