Multiple Australian outlets report that interest-only mortgage lending has reached an eight-year high, driven by increased activity from property investors. The reporting describes a rise in borrowing structures that allow principal repayments to be deferred for a period, a model that had previously been viewed as higher risk. While the articles attribute the increase to investor demand, they also note that the broader policy environment could affect the trend. Each source points to potential changes arising from the 2026 federal budget, suggesting that prospective regulatory or tax measures may influence how investors choose to structure loans going forward. The coverage does not indicate that all lending risk profiles are uniform across borrowers, but it links the growth in interest-only lending to a shift in market behaviour rather than to a sudden change in overall interest rates. Overall, the articles present the development as a notable sign of investor influence in the housing finance market, alongside uncertainty about future policy settings.