Most Aussie Households Are Well Ahead With Their Property Values. In the 20 years to January 2019, the Home Value Index shows Melbourne recorded the greatest value gains over the period (275%), followed by Hobart (237%), Canberra (231%), and then Sydney (202%). Darwin had the slowest growth, with gains of 38% and regional NSW had the best regional growth over the past 20 years, up 186%, while regional Victoria values improved 180%. In the final analysis, most Aussies own their homes and are ahead.