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 SE3?
Building a granny annexe ranges from £86,600 (Jmc buildets based in SE9) to £87,000 (Mr S J Reece based in SE7), 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 SE3 by posting a job with HaMuch. We will send it to extension builders in SE3 who will be happy to help you.

| Borough in London |
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| Granny Annexe in Blackheath |
| Granny Annexe in Charlton |
| Granny Annexe in Greenwich |
| Granny Annexe in Lewisham |
| Granny Annexe in Grove Park |
| Granny Annexe in Deptford |
| Granny Annexe in Eltham |
| Granny Annexe in Brockley |
| Granny Annexe in Woolwich |
| Granny Annexe in Catford |