The local government area of Kwinana recorded the biggest gains over the year, rising 31.4 per cent to a median of $638,651. It was closely followed by Gosnells ( up 29.7 per cent to $703,809), Armadale (up 29.4 per cent to $685,328) and Swan (up 29.2 per cent to $721,201).

Serpentine-Jarrahdale, Rockingham, Cockburn and Canning all recorded gains in the high 20s.

National home values increased 0.5 per cent in the month of August, representing the 19th consecutive month of increase in home values.

Capital growth across the cities remained diverse, with monthly gains led by Perth (2 per cent), followed by strong rises in Adelaide (1.4 per cent) and Brisbane (1.1 per cent), while Sydney recorded a mild 0.3 per cent.

Four capital cities saw declining values in August, Canberra (-0.4 per cent), Melbourne (-0.2 per cent), Darwin (-0.2 per cent), and Hobart (-0.1 per cent).

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Ray White chief economist Nerida Conisbee said the volume of listing authorities - the point at which a vendor signs a Ray White agent to sell their home before the property was advertised - was strong in WA as we moved into spring.

“There are plenty of properties coming to market, which is great news for buyers,” she said.

Owen said there was still more demand for housing than available supply with total listings in Perth down on the five-year average by more than 40 per cent.