Cotality economist and an Australian street of new houses Cotality Economist Kaytlin Ezzy has revealed the latest milestone for Australia’s housing stock. (Source: Cotality/Getty)

Death, taxes and Australian property reaching a new all-time high. You could be forgiven for thinking these are the undeniable promises of life.

The dollar value of the country’s housing stock has hit its latest eye-watering milestone, blowing past the $12 trillion mark. And it happened much sooner than everyone expected, says property tracking firm Cotality.

According to the company’s latest monthly housing data, Australians’ preference for detached homes over units or apartments continues to widen the gap in values, while the regions are claiming a larger share of growing property values.

Incredibly, the total Australian housing market is worth more than double what it was just a decade ago when a quick Google search shows headlines at the time worrying about the then lofty average prices.

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The new $12 trillion milestone comes off the back of strong price growth in October as the federal government’s huge expansion to its 5 per cent deposit scheme kicked in.

Home values grew at 1.1 per cent in October. A jump from the 0.8 per cent growth in August and 0.9 per cent growth in September.

Within the data there is evidence the government’s program is pushing prices up. House which were eligible because they were under the program’s price caps rose 1.2 per cent, compared to one per cent for dwellings not eligible for buyers in the scheme.

Cotality Economist Kaytlin Ezzy said it was “somewhat surprising” the lower end of the market has seen the biggest price rises in capital cities given the recent rate cuts.

“It is somewhat surprising to see such persistent outperformance of lower-value housing market segments given there were three rate cuts in 2025,” she said. “Usually the high-end of the property market is more responsive to rate cuts.”

Regional markets like South Australia, Western Australia, and Queensland are outperforming in recent times, signalling a geographic shift in market dynamics, Cotality said.

“Victoria has seen the biggest drop off in housing market share in the past five years, from 29 per cent five years ago, to less than a quarter of market share as of October this year,” Ezzy said.

While Sydney prices are in a stratosphere of their own, it’s the smaller cities that have enjoyed the biggest percentage gains lately.

Rolling 28-day change in dwelling values, as at November 11, 2025 (Source: Cotality) Rolling 28-day change in dwelling values, as at November 11, 2025 (Source: Cotality)

The mid-sized capitals continued to gain momentum through November, with the rolling 28-day change in Cotality’s daily Home Value Index across Perth, Brisbane and Adelaide up 1.9 per cent, 1.8 per cent and 1.4 per cent respectively over the four weeks to November 10.

Growth in Melbourne and Sydney over the same period was 0.7 per cent.

On a quarterly basis, dwelling prices rose 2.8 per cent over the three months to October which is the largest increase since July 2023 when the three-month change came in at 3.2 per cent.

Darwin and Perth led quarterly growth in values at 5.4 per cent, followed by 4.9 per cent in Brisbane.

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