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 TW20?
Building a granny annexe ranges from £86,200 (L.M Landscapes & Driveways based in Tw15) to £86,968 (GDC Design & Build based in TW19), 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 TW20 by posting a job with HaMuch. We will send it to extension builders in TW20 who will be happy to help you.

| Borough in London |
|---|
| Granny Annexe in Egham |
| Granny Annexe in Staines |
| Granny Annexe in Virginia Water |
| Granny Annexe in Stanwell |
| Granny Annexe in Chertsey |
| Granny Annexe in Ashford |
| Granny Annexe in Windsor |
| Granny Annexe in Shepperton |
| Granny Annexe in Addlestone |
| Granny Annexe in Colnbrook |