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Winter wiped $40,000 off the value of the average house

Cotality's national Home Value Index fell 0.9 per cent in August 2026, a fifth consecutive monthly decline and an acceleration from July's 0.7 per cent fall. July's drop had itself been the largest single-month fall since December 2022.

6 min read
New brick homes line a street in an outer suburban estate
Price declines now reach 93 per cent of capital city suburbs, Cotality's August index shows | Digitally illustrated image
Caleb Reed
By Caleb Reed · 2026-09-01

TLDR

Australia's housing downturn turned near-universal in August, with 93 per cent of capital city suburbs recording falling values and the national index dropping 0.9 per cent for the month. Sydney led all markets lower, now 7.1 per cent off its February peak, while auction clearance rates collapsed to the low 40 per cent range.

KEY TAKEAWAYS

01The national Home Value Index fell 0.9 per cent in August, accelerating from July's 0.7 per cent drop.
02Sydney values sit 7.1 per cent below their February 2026 peak after a 1.4 per cent August decline.
0393 per cent of capital city suburbs recorded a value fall over winter, up from 45.8 per cent in autumn.
04Sales volumes ran 15.5 per cent below year-ago levels and 11.5 per cent under the five-year average.
05The RBA Monetary Policy Board meets on 28 to 29 September 2026 to set interest rates.

Downturn goes near-universal

Cotality's national Home Value Index fell 0.9 per cent in August 2026, a fifth consecutive monthly decline and an acceleration from July's 0.7 per cent fall.[1] July's drop had itself been the largest single-month fall since December 2022.[1] Over the three winter months the falls added up to about $40,000 off the value of the average house in the capital cities, on Cotality figures reported by The Age.[5]

Cotality Home Value Index table showing changes in dwelling values for each capital city as at 31 August 2026
Change in dwelling values to 31 August 2026. Source: Cotality Home Value Index

The national median value of $912,885 now sits 3.6 per cent below the record set in March, and news.com.au reported Sydney is falling at a pace not seen in four decades.[6]

The share of capital city suburbs recording a value fall more than doubled through winter, from 45.8 per cent in autumn to 93 per cent by August.[1] Cotality Research Director Tim Lawless said the breadth of the decline marked a shift in character. "What started as a more concentrated easing across higher-value segments has now become a much more generalised softening, with the vast majority of capital city suburbs recording some level of decline," Lawless said.[1]

Sydney leads, Darwin the lone exception

Sydney home values dropped 1.4 per cent in August and now sit 7.1 per cent below their February 2026 peak.[1] Lawless said elevated advertised stock was compounding the city's pressure. "Sydney continues to lead the downturn. The combination of a sharp drop in demand and higher than average advertised stock levels is weighing more heavily on Australia's largest housing market," he said.[1]

Melbourne and Canberra both fell 1.1 per cent, Brisbane dropped 1.0 per cent, and Adelaide and Perth each declined 0.8 per cent over the month.[1] Every capital city except Darwin recorded a value decline over the three months through August.[1] Australia's total housing stock carried a value of $12,772.6 billion across 11,495,200 dwellings as of the March quarter 2026, according to Australian Bureau of Statistics data.[4]

Auctions stall, stock builds

The share of homes selling at auction fell from around 66 per cent in February 2026 to the low 40 per cent range by the end of July, as buyer hesitancy prompted many vendors to withdraw listings or sell privately.[2] Quarterly sales volumes tracked 15.5 per cent lower year-on-year and 11.5 per cent below the five-year average.[1] Cotality's listings count puts 84,961 properties on the market across the combined capitals over the four weeks to late August, 21,678 of them newly listed, a stock overhang that helps explain why clearance rates keep sliding.[6]

Chart of the 28 day rolling change in Cotality's Home Value Index showing combined capitals at minus 1.1 per cent and combined regionals at minus 0.4 per cent
The 28-day rolling change in home values: capitals falling faster than the regions. Source: Cotality Daily Home Value Index, via news.com.au
Map of Australia showing capital city properties listed for sale over four weeks, with 21,678 new listings and 84,961 total listings across the combined capitals
Properties listed for sale across the capitals, four-week count. Source: Cotality, via news.com.au

Total advertised listings across the four weeks ending 30 August ran 24 per cent higher year-on-year and 8 per cent above the five-year average.[1] New listings flowing to market over the same period fell 6 per cent year-on-year and sat 8 per cent below the five-year average, pointing to vendors holding back rather than testing a soft market.[1] Annual rental growth held at 5.9 per cent in July, with gross rental yields rising to 3.7 per cent, adding a further barrier for prospective buyers already facing tight borrowing conditions.

RBA decision looms over spring

Spring typically brings a lift in new listings, and buyers and sellers enter the season with the RBA's next rate decision still unresolved. The Monetary Policy Board meets on 28 to 29 September 2026 to set the cash rate.[3] A cut could revive buyer confidence; a hold or rise would extend the pressure on a market already recording its broadest price falls in years.

This article contains analysis and commentary on market conditions. It does not constitute financial, investment, or professional advice. Past performance is not indicative of future results. Always consult a qualified adviser before making financial decisions.

FREQUENTLY ASKED QUESTIONS

Which Australian city recorded the biggest home value fall in August 2026?
Sydney fell the most, down 1.4 per cent in August and 7.1 per cent below its February 2026 peak, according to Cotality data.
How many suburbs recorded falling values over winter?
93 per cent of capital city suburbs recorded a value fall over the three winter months through August 2026, up from 45.8 per cent in autumn.
When does the RBA next decide on interest rates?
The RBA Monetary Policy Board meets on 28 to 29 September 2026 for its next cash rate decision.
Caleb Reed

Caleb Reed

Caleb Reed covers breaking news and sport. He works to the rhythm of a story as it unfolds, and he is happiest when the facts arrive faster than anyone can spin them.

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