An offset account is a transaction account linked to a home loan where the balance reduces the loan balance used to calculate interest. Park $50,000 in offset against a $300,000 loan and the client pays interest on $250,000 while keeping full use of the money.
For brokers, the two decisions are whether the offset benefit beats the package fee that usually comes with it, and whether an investor client should hold money in offset rather than redraw. This guide covers the mechanics and both decisions.
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How an offset account works
The account behaves like everyday banking: deposits in, withdrawals out, card and payID attached. The difference sits in the interest calculation. Instead of earning interest on the balance, the balance cuts the interest charged on the linked loan. There is no interest income to declare because no income arises; the client simply pays less.
Full versus partial offset
- Full (100%) offset: every dollar in the account offsets the loan dollar for dollar when interest is calculated, the standard arrangement on Australian professional packages.
- Partial offset: only a percentage of the balance counts. With a 50% partial offset, $10,000 in the account reduces the interest-bearing balance by $5,000. Partial arrangements exist but should be priced carefully against alternatives before recommending.
Offset attaches mainly to variable rate loans. A few lenders offer it alongside fixed rates, but availability is narrow and terms vary, so confirm with the specific lender rather than assuming.
What clients gain
The gain scales with balance and rate. A higher offset balance means less interest accrues daily, and everything not paid in interest either shortens the loan or builds the client’s buffer faster than a scheduled repayment alone would. Money stays reachable instantly for bills, emergencies or opportunities, unlike extra repayments locked inside a loan structure.
What offset costs
Offset accounts usually arrive inside package deals carrying monthly or annual fees. The maths decides the recommendation: a $300 annual fee needs enough average balance to generate at least that much interest saving, so a small buffer on a big fee loses money. Check eligibility rules too, because not every product supports offset and some lenders impose balance caps or conditions.
Offset versus redraw
A redraw facility holds extra repayments inside the loan itself, so withdrawing them can take days, carry minimums or add fees. Offset gives same-second access through a normal transaction account. For owner-occupiers the choice is convenience versus cost. For investors there is a sharper edge: under the ATO’s TR 2000/2 ruling, redrawing from a loan counts as new borrowing and interest deductibility follows what the redrawn funds buy, while an offset withdrawal is not a borrowing and leaves the loan’s purpose untouched. Investors parking savings they might spend should generally favour offset.
Choosing between products
- Confirm eligible loan types: check which products on your panel support full offset.
- Total the fees: package fee plus account-keeping against projected interest saved at the client’s real average balance.
- Check the fine print: balance caps, partial-offset percentages and any conditions on linked accounts.
- Weigh the rate: an offset loan priced above comparable non-offset products can swallow its own benefit, so compare headline interest rates as well as features.
Lender calculators help here: most institutions publish offset estimators that model savings from a given balance and rate, which makes the comparison concrete for clients who like numbers.
Making offset actually work
Savings depend on how long money sits in the account, so route salary into offset and draw spending from it across the month; even transient balances trim the daily interest calculation. Bonuses, tax refunds and proceeds from selling other assets belong in offset until spent. Clients running emergency funds should hold them there rather than in a separate low-interest savings account, provided they trust themselves not to spend the buffer casually.
Next step for brokers
At your next review, calculate each client’s average transaction-account balance. Anything sitting permanently above a few thousand dollars is paying a fee to earn nothing, and shifting it into offset against their existing loan, or into a package that includes one, is often the cheapest interest saving you can recommend all year.
