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 Bn3 5f?

Building a granny annexe ranges from £86,672 (Black Olive Construction Ltd based in BN1) to £86,920 (Reactive Property Services Ltd based in BN3), 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 Bn3 5f by posting a job with HaMuch. We will send it to extension builders in Bn3 5f who will be happy to help you.