85% house price falls in Sydney predicted OUCH., page-16

Here's a chart of residential property prices in Japan's 6 largest cities;



Australian city prices may not crash as heavily as Japan's post-debt bubble deflation but there are several comparisons to the boom in house prices in China and also similarities in both economies;

http://www.doctorhousingbubble.com/japan-real-estate-bubble-home-prices-back-30-years-zero-percent-mortgage-rates/