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 Br14?
Building a granny annexe ranges from £86,200 (Bespoke Builders Beckenham based in BR3) to £86,944 (GreenGauge Heating Limited based in SE6), 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 Br14 by posting a job with HaMuch. We will send it to extension builders in Br14 who will be happy to help you.

| Borough in London |
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| Granny Annexe in Bromley |
| Granny Annexe in Keston |
| Granny Annexe in Beckenham |
| Granny Annexe in Catford |
| Granny Annexe in West Wickam |
| Granny Annexe in Grove Park |
| Granny Annexe in Penge |
| Granny Annexe in Chislehurst |
| Granny Annexe in Sydenham |
| Granny Annexe in Forest Hill |