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 CM23?

Building a granny annexe ranges from £85,800 (V S M Property Services Ltd based in CM23) to £87,008 (Reid James Ltd based in SG11), 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 CM23 by posting a job with HaMuch. We will send it to extension builders in CM23 who will be happy to help you.