Including an offset account in your home loan strategy could potentially save you thousands of dollars over the life of your loan. Here's how they work and when they make sense.
What Are Offset Accounts?
An offset account aims to reduce the interest you pay on your home loan. It's linked to your mortgage like a transaction account — but instead of earning interest, the money in the offset account reduces the loan's principal balance for interest calculation purposes. You only pay interest on the remaining loan amount, minus the balance in your offset account.
You can choose between a full (100%) offset account or a partial offset account. A full offset means the entire balance is deducted from your loan principal before interest is calculated each month. A partial offset applies a reduced interest rate to an amount equal to the account's balance. The full offset is the most popular option as it is more effective in lowering interest costs.
How Much Can a 100% Offset Account Save You?
Consider this example: if your loan is $500,000 and you maintain a $20,000 balance in your offset account throughout the loan term, you pay interest on $480,000 instead of the full $500,000. At an interest rate of 5.08%, that difference saves you over $10,000 across the life of the loan.
The more you can keep in the offset, the greater the saving. Your salary going into the account each month — and staying there until bills are due — adds up meaningfully over time.
A Key Tax Advantage
The balance in your offset account isn't taxable because it doesn't generate interest income. Unlike a savings account where you'd pay tax on the interest earned, the benefit of the offset is tax-free — making it even more effective in real terms.
Are There Downsides?
Offset accounts aren't free. Costs vary between lenders — some charge higher interest rates or fees on loans that include an offset account. It's worth factoring this in when comparing products.
The significant benefits of an offset account are most apparent when you can maintain a substantial balance. If you're unlikely to keep much money in the account, the fee cost may outweigh the interest saving.
Is an Offset Right for You?
If your primary goal is to reduce loan repayments and you don't have significant savings to hold in the account, an offset may not be your best option. But for borrowers who regularly hold a meaningful balance — salary earners, for example, who have cash sitting between paydays — an offset is one of the most effective home loan features available.
If you have questions about offset accounts and whether they're right for your situation, book a call and we can walk through the numbers together.
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