CoreLogic RP Data observations over the last three months to August 2015

Best performing capital city: Melbourne +8.0%
Weakest performing capital city: Darwin -3.2%
Highest gross rental yields: Darwin houses at 5.5% and Darwin & Hobart Units at 5.5%
Lowest gross rental yields: Melbourne houses at 3.0% and Melbourne & Sydney units at 4.1%
Most expensive city: Sydney, with a median dwelling price of $773,000
Most affordable city: Hobart, with a median dwelling price of $320,000