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 SA42?
Building a granny annexe ranges from £86,096 (Gainzy Builders based in SA62) to £86,600 (N Morgans & Son Ltd based in SA33), 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 SA42 by posting a job with HaMuch. We will send it to extension builders in SA42 who will be happy to help you.

| Business name | Granny annexe cost |
|---|---|
| D&O Construction Ltd, Nolton, SA62 | £86,232 |
| Norton Construction, Cardigan, Ceredigion, sa43 | £86,400 |
| N Morgans & Son Ltd, Carmarthen, SA33 | £86,600 |
| Gainzy Builders, Nolton, SA62 | £86,096 |
| DERI BROWN T/A D Brown Building Services , LLANDYSUL, SA44 | £86,280 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Milford Haven | £15 | £134 |
| Granny Annexe near Pembrokeshire | £17 | £143 |
| Granny Annexe near Carmarthenshire | £24 | £191 |
| Granny Annexe near Carmarthen | £24 | £191 |
| Granny Annexe near Llanelli | £25 | £196 |