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This divergence suggests affordability pressures are reshaping demand rather than eliminating it. As detached housing moves beyond the reach of many first home buyers, demand shifts toward higher-density stock. Buyers substitute land for location, size for access and houses for apartments. The price-to-income ratio signals that the median dwelling is expensive relative to the median income, but it does not capture how buyers reposition themselves within the lower half of the market.
Government policy has also become increasingly important in shaping entry conditions. ABS data shows first home buyer owner-occupier loan commitments rose 6.8 per cent in the December quarter 2025 to 31,783 loans, up 9.1 per cent over the year. These increases coincided with the expansion of the Australian Government 5 per cent Deposit Scheme and the introduction of the Help to Buy shared equity program. Such schemes materially reduce the deposit hurdle, which is often the most binding constraint for first home buyers.
While it is estimated that it takes 11 years to save a 20 per cent deposit, entry with a 5 per cent deposit significantly shortens that timeline. Shared equity arrangements reduce the initial loan size required, lowering repayments and easing serviceability thresholds. These programs do not make housing inexpensive, but they change the structure of entry by redistributing risk and bringing forward demand. Price-to-income ratios do not incorporate these policy settings, yet they meaningfully influence who can participate in the market.
Intergenerational wealth transfers are another increasingly important factor shaping affordability outcomes. The so-called “Bank of Mum and Dad” has become a significant source of deposit funding, particularly in higher-priced markets. Parents who have benefited from decades of capital growth can gift deposits, provide guarantees against existing equity, or bring forward inheritance through early transfers. In an environment where housing wealth has grown much faster than incomes, accumulated equity within older cohorts is effectively being recycled into the market to assist younger buyers.
Credit conditions also play a central role. Affordability is not determined solely by the relationship between income and price, but by what banks are willing to lend and what households can service. Thirty-year loan terms are now standard, effectively spreading higher purchase prices over longer periods. Borrowers frequently refinance over time, smoothing cash flow pressures and extending repayment horizons. Serviceability buffers and lending competition can expand or contract borrowing capacity without any change in household income.
High loan-to-valuation lending supported by lenders mortgage insurance or government guarantees allows entry with smaller deposits, even as overall debt levels rise. ABS data shows the average first home buyer loan size rose to $607,624 in the December quarter, reflecting both higher dwelling values and increased reliance on borrowing capacity. These lending dynamics are not visible in a simple ratio of price to income.
None of this diminishes the reality that affordability has deteriorated. Deposit hurdles remain historically high, servicing burdens are elevated relative to long-run averages, and rental affordability has tightened. More Australians are renting for longer, and the divide between property owners and non-owners is widening.
However, the persistence of buyer activity demonstrates that housing markets adapt. Buyers adjust the type of property they purchase, the deposit they provide, the loan structure they use and the extent to which they rely on policy support or family assistance. Price-to-income ratios provide a valuable structural indicator of long-term pressure, but they cannot explain behavioural adaptation, institutional support or compositional change within the market.
The ratio tells us housing is expensive relative to income. The broader data tells us how households are still finding ways to transact. Understanding affordability in the current environment therefore requires looking beyond a single metric and examining how credit, policy, family wealth and dwelling type interact to shape who can access the market and how they do so.
