David White
Have worked in building industry for over 30 years contracts from government to private sector.

Outbuilding costs in BT40 range from the cheapest of £8,976 (Anak based in BT40) to the dearest of £8,976 (Anak based in BT40), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in BT40 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Larne | £15 | £122 |
| Outbuilding near Carrickfergus | £23 | £158 |
| Outbuilding near Ballyclare | £20 | £124 |
| Outbuilding near Greenisland | £23 | £153 |
| Outbuilding near Holywood | £23 | £159 |
| Outbuilding near Bangor | £24 | £183 |
| Outbuilding near Bangor | £24 | £183 |
| Outbuilding near Belfast | £23 | £161 |
| Outbuilding near Ballygowan | £24 | £183 |
| Outbuilding near Comber | £22 | £160 |
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 - £16,476

Two storey extension - £86,464

Build a timber frame extension - £24,976

Build a swimming pool - £79,976

Single storey extension - £34,520

Side return extension - £29,980

Install an RSJ - £1,176

Outbuilding - £8,976

Build a Mansard loft conversion - £50,976

Loft conversion - £24,150

Build a kitchen extension - £40,976

Hip to gable loft conversion - £40,976

Granny annexe - £85,976

Garden office - £8,976

Convert a Garage - £14,976

Garage - £17,476

Build a flat roof extension - £20,976

Build a dormer loft conversion - £40,976

Concrete foundations - £5,226

Convert a bungalow loft - £27,976

Convert a basement - £25,980