From £9,496
Trusted and professional extension builder in Ballycastle. Experienced in all extension buildering work and keeping within budget and on quote. pur...

Garden offices range from the cheapest of £9,496 (Purdy build based in bt53) to the dearest of £9,496 (Purdy build based in bt53), 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 Ballycastle by posting a job with HaMuch. We'll send it to extension builders in Ballycastle.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Ballymoney | £21 | £187 |
| Garden Office near Coleraine | £23 | £201 |
| Garden Office near Larne | £15 | £122 |
| Garden Office near Dungiven | £22 | £190 |
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 - £16,996

Two storey extension - £87,244

Build a timber frame extension - £25,496

Build a swimming pool - £80,496

Single storey extension - £44,920

Side return extension - £35,830

Install an RSJ - £1,696

Outbuilding - £9,496

Build a Mansard loft conversion - £51,496

Loft conversion - £29,025

Build a kitchen extension - £41,496

Hip to gable loft conversion - £41,496

Granny annexe - £86,496

Garden office - £9,496

Convert a Garage - £15,496

Garage - £17,996

Build a flat roof extension - £21,496

Build a dormer loft conversion - £41,496

Concrete foundations - £5,746

Convert a bungalow loft - £28,496

Convert a basement - £31,830