Granny flats have suddenly jumped to the top of New Zealand’s renovation wish list — and it’s easy to see why. More flexible housing, space for family, potential rental income, and faster builds … what’s not to love? But before you race to order a prefab or call a builder, there’s important fine print you need to know. Anyone wanting to build a granny flat should read the Granny Flats Exemption Guidance first. Below, we break down when you can actually use the new granny fla