The DTI ratio is a critical metric used by lenders to assess a borrower's ability to manage debt. A ratio above six indicates that a borrower's total debt is more than six times their annual gross income, which can be a red flag for potential repayment difficulties, especially in a fluctuating economic environment.

APRA's decision to enforce this cap stems from observations of an uptick in high-DTI lending, particularly as property prices have reached new highs. By limiting the volume of such loans, APRA intends to prevent the banking system from becoming overly exposed to potential downturns in the property market or increases in unemployment rates.

For borrowers, this policy change means that securing a mortgage with a high DTI ratio may become more challenging. Prospective homebuyers and investors should be prepared for stricter lending criteria and may need to explore alternative financing options or adjust their borrowing expectations.

It's important to note that this cap applies to both owner-occupier and investor loans, with exceptions for bridging loans and loans for the purchase or construction of new dwellings. Borrowers should consult with financial advisors or mortgage brokers to understand how these changes may affect their individual circumstances and to explore suitable loan products that align with the new regulatory environment.

Author: Paige Estritori
Published: Wednesday 20th May, 2026

Please Note: If this information affects you or is relevant to your circumstances, seek advice from a licensed professional.

Share this article: