Relax... you have found a reliable extension builder in BT15. SM Plumbing & Heating is a friendly and reliable company based in BT15 who consider n...
From £5,546
Ballantine building solutions is an established extension buildering business in BT15. We come highly recommended and provide competitive quotes fo...
From £5,634
Designco Ltd is an established extension buildering business in BT15. We come highly recommended and provide competitive quotes for your work.
...From £5,426
Trusted and professional extension builder in BT15. Experienced in all extension buildering work and keeping within budget and on quote. Extended l...

Concrete foundations range from the £5,426 (Extended living by Gilbert-Ash based in BT12) to £5,634 (Designco Ltd based in BT36) in BT15.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in BT15 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
"Concrete foundation" - BELFAST, job posted 02/11/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near Belfast | £23 | £161 |
| Concrete Foundations near Holywood | £23 | £159 |
| Concrete Foundations near Greenisland | £23 | £153 |
| Concrete Foundations near Carryduff | £23 | £158 |
| Concrete Foundations near Comber | £22 | £160 |
| Concrete Foundations near Lisburn | £24 | £164 |
| Concrete Foundations near Carrickfergus | £23 | £158 |
| Concrete Foundations near Ballyclare | £20 | £124 |
| Concrete Foundations near Ballygowan | £24 | £183 |
| Concrete Foundations 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 - £16,806

Two storey extension - £86,959

Build a timber frame extension - £25,306

Build a swimming pool - £80,306

Single storey extension - £41,120

Side return extension - £33,693

Install an RSJ - £1,506

Outbuilding - £9,306

Build a Mansard loft conversion - £51,306

Loft conversion - £27,244

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 - £29,693