Regulator investigates major banks over mortgage offset account errors

The Australian Securities and Investments Commission (ASIC) is investigating several major banks over errors in their mortgage offset accounts, potentially costing customers millions in overpaid interest. Offset accounts, which link a savings or transaction account to a home loan, are designed to reduce the interest payable on the loan by offsetting the balance against the mortgage principal. However, ASIC has identified instances where these accounts were not properly linked, leading to higher interest charges for borrowers. ASIC's surveillance aims to assess whether customers are receiving the full benefits from these accounts. The investigation will focus on eight banks, including some of the Big Four, and could result in refunds if errors are uncovered. This scrutiny follows previous cases where banks have been penalized for similar issues. For example, in 2022, ANZ was ordered to pay a $15 million penalty for misleading customers about available funds in their credit card accounts. Similarly, in 2017, NAB refunded $1.7 million to home loan customers after failing to properly set up mortgage offset accounts. The current investigation underscores the importance of consumers ensuring their offset accounts are correctly linked to their home loans to avoid unnecessary interest costs. Borrowers are advised to review their account settings and contact their banks if they suspect any discrepancies.