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 SO18?
Building a granny annexe ranges from £86,200 (ANDYWORKS & son Ltd based in SO50) to £87,400 (LED Electrical Services based in SO18), 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 SO18 by posting a job with HaMuch. We will send it to extension builders in SO18 who will be happy to help you.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Southampton | £30 | £215 |
| Granny Annexe near Hedge End | £30 | £215 |
| Granny Annexe near Eastleigh | £30 | £215 |
| Granny Annexe near Chandler's Ford | £30 | £216 |
| Granny Annexe near Locks Heath | £30 | £213 |
| Granny Annexe near Totton | £30 | £216 |
| Granny Annexe near Romsey | £28 | £203 |
| Granny Annexe near Fareham | £31 | £217 |
| Granny Annexe near Winchester | £31 | £225 |
| Granny Annexe near Lee-on-the-Solent | £31 | £217 |