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

Garden offices range from the cheapest of £8,976 (Anak based in BT40) to the dearest of £8,976 (Anak based in BT40), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in BT40 by posting a job with HaMuch. We'll send it to extension builders in BT40.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Larne | £15 | £122 |
| Garden Office near Carrickfergus | £23 | £158 |
| Garden Office near Ballyclare | £20 | £124 |
| Garden Office near Greenisland | £23 | £153 |
| Garden Office near Holywood | £23 | £159 |
| Garden Office near Bangor | £24 | £183 |
| Garden Office near Bangor | £24 | £183 |
| Garden Office near Belfast | £23 | £161 |
| Garden Office near Ballygowan | £24 | £183 |
| Garden Office 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