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 SO45?
Building a granny annexe ranges from £86,600 (FOCUS BUILDING SERVICE based in SO31) to £87,000 (DJ BUILDING & MAINTENANCE 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 SO45 by posting a job with HaMuch. We will send it to extension builders in SO45 who will be happy to help you.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Southampton | £30 | £215 |
| Granny Annexe near Locks Heath | £30 | £213 |
| Granny Annexe near Hedge End | £30 | £215 |
| Granny Annexe near Totton | £30 | £216 |
| Granny Annexe near Eastleigh | £30 | £215 |
| Granny Annexe near Lee-on-the-Solent | £31 | £217 |
| Granny Annexe near Fareham | £31 | £217 |
| Granny Annexe near Chandler's Ford | £30 | £216 |
| Granny Annexe near New Forest | £28 | £211 |
| Granny Annexe near Romsey | £28 | £203 |