From £16,876
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,764
Trusted and professional extension builder in Ballyclare. Experienced in all extension buildering work and keeping within budget and on quote. DGA ...
From £16,796
Ballantine building solutions is an established extension buildering business in Ballyclare. We come highly recommended and provide competitive quo...
From £16,884
Designco Ltd is an established extension buildering business in Ballyclare. We come highly recommended and provide competitive quotes for your work...
From £16,476
Have worked in building industry for over 30 years contracts from government to private sector.
From £16,868
Relax... you have found a reliable extension builder in Ballyclare. SM Plumbing & Heating is a friendly and reliable company based in Ballyclare wh...
From £16,676
Trusted and professional extension builder in Ballyclare. Experienced in all extension buildering work and keeping within budget and on quote. Exte...
From £16,708
Need an Extension Builder in Ballyclare? MIRKOW has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £16,836
Trusted and professional extension builder in Ballyclare. Experienced in all extension buildering work and keeping within budget and on quote. Belf...
From £16,836
Need an Extension Builder in Ballyclare? H.M.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many...

Underpinning ranges from £16,476 (Anak based in BT40) to £16,884 (Designco Ltd based in BT36), 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 Ballyclare by posting a job with HaMuch and we will send it to extension builders in Ballyclare.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Ballyclare | £20 | £124 |
| Underpin A Building near Greenisland | £23 | £153 |
| Underpin A Building near Carrickfergus | £23 | £158 |
| Underpin A Building near Larne | £15 | £122 |
| Underpin A Building near Holywood | £23 | £159 |
| Underpin A Building near Belfast | £23 | £161 |
| Underpin A Building near Crumlin | £26 | £194 |
| Underpin A Building near Carryduff | £23 | £158 |
| Underpin A Building near Bangor | £24 | £183 |
| 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 - £16,772

Two storey extension - £86,908

Build a timber frame extension - £25,272

Build a swimming pool - £80,272

Single storey extension - £40,440

Side return extension - £33,310

Install an RSJ - £1,472

Outbuilding - £9,272

Build a Mansard loft conversion - £51,272

Loft conversion - £26,925

Build a kitchen extension - £41,272

Hip to gable loft conversion - £41,272

Granny annexe - £86,272

Garden office - £9,272

Convert a Garage - £15,272

Garage - £17,772

Build a flat roof extension - £21,272

Build a dormer loft conversion - £41,272

Concrete foundations - £5,522

Convert a bungalow loft - £28,272

Convert a basement - £29,310