Nicola Powell
Domain has described the Australian Prudential Regulation Authority’s (APRA) announcement of a new 20% limit on high debt-to-income (DTI) mortgage lending as a proactive, measured intervention designed to manage systemic risk, rather than a circuit breaker for property prices.
The new cap, which restricts banks to issuing no more than 20% of new loans at six times a borrower’s income or higher (effective February 1, 2026), is being implemented as the housing market enters a new phase of momentum driven by easing interest rates and rising credit growth.
“This cap is best understood as a guardrail being put in place before lending standards begin to loosen, not as a sudden handbrake on the market. APRA is acting pre-emptively, showing a light but firm touch at exactly the right time in the cycle, where we’re seeing a lift in riskier lending, particularly among investors,” commented Domain’s Chief of Research and Economics, Dr. Nicola Powell.
“Crucially, the cap is not currently binding for the majority of lenders, meaning it won’t alter borrowing power or restrict credit access for most buyers in the short term, including first-home buyers who often borrow lower than the DTI threshold. It simply creates a mechanism to automatically slow high-risk lending if it accelerates in the future.
“While the limit could start to influence investor behaviour down the track if high-DTI volumes surge, for now, it’s a policy that strengthens the system’s resilience without punishing households or dampening the essential need for new supply.”