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 St Albans?
Building a granny annexe ranges from £86,240 (Apollo Decor Ltd based in AL2) to £87,000 (Planson’s Building Services based in AL1), 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 St Albans by posting a job with HaMuch. We will send it to extension builders in St Albans who will be happy to help you.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near St Albans | £52 | £242 |
| Granny Annexe near Harpenden | £69 | £256 |
| Granny Annexe near Hatfield | £54 | £241 |
| Granny Annexe near Hemel Hempstead | £36 | £231 |
| Granny Annexe near Dacorum | £36 | £231 |
| Granny Annexe near Borehamwood | £37 | £238 |
| Granny Annexe near Welwyn Garden City | £36 | £229 |
| Granny Annexe near Bushey | £37 | £240 |
| Granny Annexe near Watford | £37 | £239 |
| Granny Annexe near Potters Bar | £38 | £240 |