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 DA3?
Building a granny annexe ranges from £86,760 (AMD Construction and Renovation Ltd based in DA13) to £93,000 (Collins Home Improvements Ltd based in TN15), 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 DA3 by posting a job with HaMuch. We will send it to extension builders in DA3 who will be happy to help you.

| Borough in London |
|---|
| Granny Annexe in Hartley |
| Granny Annexe in Meopham |
| Granny Annexe in Horton Kirby |
| Granny Annexe in Northfleet |
| Granny Annexe in Swanscombe |
| Granny Annexe in Gravesend |
| Granny Annexe in Stone |
| Granny Annexe in Darenth |
| Granny Annexe in Swanley |
| Granny Annexe in Wrotham |