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 M21?
Building a granny annexe ranges from £86,544 (Cre8ive Building Services based in M32) to £86,656 (Bespoke Building Contractors based in M22), 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 M21 by posting a job with HaMuch. We will send it to extension builders in M21 who will be happy to help you.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Old Trafford | £27 | £202 |
| Granny Annexe near Stretford | £27 | £202 |
| Granny Annexe near Sale | £28 | £204 |
| Granny Annexe near Manchester | £27 | £203 |
| Granny Annexe near Gatley | £27 | £200 |
| Granny Annexe near Trafford | £28 | £203 |
| Granny Annexe near Salford | £28 | £203 |
| Granny Annexe near Wythenshawe | £27 | £198 |
| Granny Annexe near Urmston | £27 | £200 |
| Granny Annexe near Reddish | £30 | £203 |