A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in BT66?
Building a granny annexe ranges from £86,072 (Extended living by Gilbert-Ash based in BT12) to £86,600 (GMC Construction based in BT70), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in BT66 by posting a job with HaMuch. We will send it to extension builders in BT66 who will be happy to help you.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Waringstown | £21 | £146 |
| Granny Annexe near Craigavon | £22 | £170 |
| Granny Annexe near Maghaberry | £27 | £175 |
| Granny Annexe near Hillsborough and Culcavy | £21 | £141 |
| Granny Annexe near Lisburn | £20 | £139 |
| Granny Annexe near Crumlin | £22 | £168 |
| Granny Annexe near Coalisland | £21 | £173 |
| Granny Annexe near Carryduff | £19 | £130 |
| Granny Annexe near Ballynahinch | £15 | £150 |
| Granny Annexe near Belfast | £19 | £132 |