Overdraft protection is a feature offered by Australian banks that can either save you from embarrassment at the checkout or quietly drain your finances with unexpected fees. With changes to banking regulations in 2025 and evolving consumer protections, it’s more important than ever to understand how overdraft protection works, what it costs, and how to use it wisely.
Overdraft protection allows your transaction account to go into negative territory if you spend more than your available balance. Instead of having your card declined, the bank covers the shortfall—up to an approved limit. This can help you avoid missed payments or rejected direct debits, but it’s not a free service.
In Australia, most major banks offer two types of overdraft facilities:
As of 2025, the Australian Prudential Regulation Authority (APRA) has tightened disclosure rules, requiring banks to more clearly outline all fees and interest rates associated with overdraft protection, making it easier for consumers to compare products.
This year, several key policy updates are shaping the overdraft landscape:
For example, Commonwealth Bank now limits unarranged overdraft fees to a maximum of $10 per day and $50 per month, while ANZ requires customers to confirm overdraft activation via SMS or app notification.
Overdraft protection can be a useful tool, but only if you understand the costs and use it strategically. Here’s a breakdown:
Consider this real-world scenario: Sam, a Melbourne hospitality worker, set up a $1,000 arranged overdraft with NAB. When rent and utilities hit in the same week, Sam dipped $200 into overdraft. By repaying the amount within a week, Sam only paid a few dollars in interest—but if that negative balance lingered for a month, fees and interest could easily exceed $20, not to mention the risk of falling further behind.
To avoid unnecessary costs, follow these tips:
Overdraft protection in Australia is evolving fast, with new rules designed to put consumers first. While it can be a handy safety net, overdraft protection is best used as a backup—not a regular habit. By staying informed about 2025’s banking changes and managing your account proactively, you can avoid nasty surprises and keep more of your money where it belongs: in your pocket.