Power Construction is an established and experienced local extension builder in BT63. Please contact us for a free, no obligation quote and competi...
From £9,536
Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in BT63. No obligation free quotes and many ...
From £9,448
Trusted and professional extension builder in BT63. Experienced in all extension buildering work and keeping within budget and on quote. The Method...

Garden offices range from the cheapest of £9,360 (Power Construction based in BT65) to the dearest of £9,536 (Terry Design based in BT62), 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 BT63 by posting a job with HaMuch. We'll send it to extension builders in BT63.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Craigavon | £23 | £181 |
| Garden Office near Waringstown | £23 | £167 |
| Garden Office near Banbridge | £29 | £205 |
| Garden Office near Maghaberry | £31 | £205 |
| Garden Office near Hillsborough and Culcavy | £25 | £170 |
| Garden Office near Lisburn | £24 | £164 |
| Garden Office near Coalisland | £27 | £223 |
| Garden Office near Crumlin | £26 | £194 |
| Garden Office near Ballynahinch | £19 | £189 |
| Garden Office near Dungannon | £30 | £238 |
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 - £16,948

Two storey extension - £87,172

Build a timber frame extension - £25,448

Build a swimming pool - £80,448

Single storey extension - £43,960

Side return extension - £35,290

Install an RSJ - £1,648

Outbuilding - £9,448

Build a Mansard loft conversion - £51,448

Loft conversion - £28,575

Build a kitchen extension - £41,448

Hip to gable loft conversion - £41,448

Granny annexe - £86,448

Garden office - £9,448

Convert a Garage - £15,448

Garage - £17,948

Build a flat roof extension - £21,448

Build a dormer loft conversion - £41,448

Concrete foundations - £5,698

Convert a bungalow loft - £28,448

Convert a basement - £31,290