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 South West London?
Building a granny annexe ranges from £86,840 (J&M HOME IMPROVEMRNTS LTD based in TW4) to £86,960 (Rhino Builders Ltd based in TW14), 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 South West London by posting a job with HaMuch. We will send it to extension builders in South West London who will be happy to help you.

| Borough in London |
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| Granny Annexe in Heston |
| Granny Annexe in Whitton |
| Granny Annexe in Hounslow |
| Granny Annexe in Southall |
| Granny Annexe in Hatton |
| Granny Annexe in Heathrow |
| Granny Annexe in Hayes |
| Granny Annexe in Faltham |
| Granny Annexe in Osterley |
| Granny Annexe in Southall |