CommBank expects national dwelling prices to fall around 9% from their peak this cycle.
Price falls have spread to Brisbane, Perth and Adelaide.
A recovery in 2027 relies partly on expected RBA rate cuts.
Australia’s housing downturn is proving faster and more widespread than expected, with price falls extending beyond Sydney and Melbourne to some of the country’s previously strongest capital city markets.
National dwelling prices fell another 0.9% in August, their fifth consecutive monthly decline, leaving prices 3.6% below their March peak.
The weakness has prompted CommBank economists to downgrade their housing forecasts, with national prices now expected to fall around 9% from peak to trough this cycle.
“The adjustment over the past three months has been larger and faster than we anticipated,” CommBank Senior Economist Trent Saunders said in a new Economic Insights report.