Redraw and offset are often described as interchangeable. In interest terms they behave similarly, which is why the comparison gets made. In every other respect they are different products, and the differences can matter a great deal.
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What redraw actually is
When you pay more than your required repayment, the surplus reduces your loan balance. Redraw is the facility that lets you take some of that surplus back later.
Critically, the money is not sitting in an account waiting for you. It has been applied to your debt. Redraw is your lender agreeing to lend it back to you — which is a different thing from you withdrawing your own savings.
An offset account, by contrast, is a transaction account in your name. The balance is yours. It simply reduces the balance interest is calculated on each day.
The control difference
Because redraw is the lender re-lending to you, the lender sets the terms. Loan contracts commonly reserve the right to reduce the available redraw amount, impose minimum withdrawal sizes, charge fees, or suspend the facility.
This is not theoretical. During periods of economic stress, Australian lenders have reduced or restricted redraw availability with limited notice. Borrowers who were treating redraw as an emergency fund discovered it was not one.
Money in an offset account is not exposed to that. It behaves like any other transaction account.
If the balance is your emergency fund, that argues strongly for offset. The interest outcome is broadly similar, but only one of the two is reliably available on the day you need it.
The tax difference, if you ever rent the property out
This is the difference with the largest financial consequences, and the one most often discovered too late.
Deductibility of interest depends on what the borrowed money was used for. If you make extra repayments and later redraw them for a personal purpose — a car, a holiday, a renovation on a different property — that redrawn portion is generally treated as new borrowing for that purpose. If the property later becomes an investment, the interest on that portion may not be deductible.
Money moving in and out of an offset account does not have the same effect, because you are not repaying and re-borrowing. The loan balance itself is untouched.
For anyone who might one day rent out the property they are buying, this distinction can be worth far more than any difference in interest.
This is a general description of how the products differ, not tax advice. Deductibility depends on your circumstances — speak to a registered tax agent before relying on it.
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Where redraw wins
Redraw is frequently free, while offset accounts are often bundled into package loans carrying an annual fee, and occasionally a slightly higher rate.
If you are unlikely to hold a large balance, redraw may leave you better off simply by avoiding that fee. Multiply the balance you realistically maintain by your interest rate, and compare it with the annual package cost.
Redraw also imposes a little useful friction. Money that takes a few steps to access is money you are less likely to spend casually.
Using both
Many borrowers use each for what it is good at: an offset account holding the emergency fund, where availability and tax treatment matter, and extra repayments with redraw for surplus beyond that, where the friction is a feature rather than a problem.
Whichever you choose, confirm the mechanics in writing — whether the account is a genuine 100% offset, what conditions attach to redraw, and what fees apply to each.
Key takeaways
- —Offset holds your money; redraw is the lender lending your repayments back to you.
- —Redraw terms are at the lender’s discretion and have been restricted before.
- —Redrawing for personal use can affect interest deductibility if the property later becomes an investment.
- —Redraw is often free, so compare a realistic offset balance against the package fee.
General information only. This guide explains how these products generally work. It does not take account of your objectives, financial situation or needs, and is not financial product advice under the Corporations Act 2001 (Cth). Figures are illustrative. Speak to a licensed financial adviser before acting.