Perth house prices have fallen more than four per cent in the past three months as the resources capital continues to feel the effects of the mining downturn.

The median house price in the West Australian capital fell 4.2 per cent to $522,133 in the September quarter, down on the revised June quarter median of $545,000, preliminary figures released by the Real Estate Institute of Western Australia show. Unit prices slid 2.3 per cent to $420,125 during the…