NSW has some of the most generous rules for granny flats in Australia, making it easy to build a separate dwelling out the back for family and friends or to make some extra cash. But does a granny flat add value to your property? Let’s look at if you should build a granny flat on your land.

At last weekend’s Building Design Association of Australia Awards a granny flat built on Sydney’s Northern Beaches by Tanya and Phil Deer won Best Secondary Dwelling / Granny Flat in Australia.