“The number and proportion of multi-generation households have been increasing in Australia over the last quarter of a century so that almost one in five Australians now live in a household that comprises two or more generations of related adults. Multi-generation households are particularly common in our major cities. In Sydney, where the practice is most common, almost one-quarter of all households comprised multiple generations.”
– February 2012, AHURI Final Report No. 181, Australian Housing and Urban Research Institute
NSW Department of Planning interview with Genliving clients on "Complying Development" approval.