An offset account is one of the most powerful features available on a home loan — but it is frequently misunderstood or underused. Here is exactly how it works, how much it can save, and when it is worth paying for.
An offset account is a transaction account linked to your home loan. The balance in this account is offset against your loan balance for the purpose of calculating interest. If you have a $500,000 loan and $50,000 in your offset account, you only pay interest on $450,000.
You still have full access to the money in the offset account — you can spend it, transfer it, and receive your salary directly into it. The balance simply reduces the interest charged on your loan each day.
The saving depends on how much you keep in the offset account and your interest rate. A rough rule: every $10,000 maintained in an offset account saves approximately $500 to $600 per year in interest at typical current rates.
For borrowers who maintain a significant balance — salary going in, expenses going out — the saving can be substantial over the life of the loan. It also effectively reduces the time it takes to repay the loan.
Redraw is a different feature that allows you to access extra repayments you have made. With redraw, the money physically reduces your loan balance — the lender holds it and allows you to access it later. With offset, the money stays in your account, separate from the loan.
The distinction matters for tax purposes if you ever convert your owner-occupied property to an investment. Offset money is unambiguously yours and does not affect the loan's tax status. Redraw money that is drawn back can complicate the deductibility of the loan interest in some circumstances.
Many loans with offset accounts carry slightly higher rates than loans without. The offset is worth it if the interest saving from the balance you maintain exceeds the rate premium.
For borrowers with a significant and consistent balance — say $30,000 or more — an offset account almost always saves more than it costs. For borrowers who spend most of their income each month and rarely maintain a large balance, the value is lower. Lendology models this for your specific situation when comparing loan options.
Many lenders allow multiple offset accounts linked to one loan. This can be useful for separating funds for different purposes — bills, savings, holidays — while still offsetting the full balance against your loan.
Yes. Offset accounts are standard bank transaction accounts covered by the Australian government deposit guarantee (up to $250,000 per institution). They are as safe as any other bank account.
No. Your minimum repayment stays the same — but more of each payment goes to principal (because less goes to interest), so your loan is paid off faster.
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