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 NN1?
Building a granny annexe ranges from £86,280 (GW BUILDERS based in NN2) to £86,760 (The Builders - Northampton Limited based in NN4), 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 NN1 by posting a job with HaMuch. We will send it to extension builders in NN1 who will be happy to help you.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Northampton | £30 | £202 |
| Granny Annexe near Wellingborough | £33 | £215 |
| Granny Annexe near Daventry | £26 | £191 |
| Granny Annexe near Rushden | £30 | £209 |
| Granny Annexe near Kettering | £29 | £205 |
| Granny Annexe near Milton Keynes | £33 | £226 |
| Granny Annexe near Market Harborough | £26 | £180 |
| Granny Annexe near Rugby | £26 | £189 |
| Granny Annexe near Bletchley | £34 | £227 |
| Granny Annexe near South Bedfordshire | £38 | £233 |