Offset and Redraw Investment Loans
Offset accounts and redraw facilities both reduce the interest you pay on an investment loan, but they’re structured differently—and that structure changes how the ATO treats your deductions, how quickly you can access funds, and what lenders charge. Andy walks through the mechanics of each, the compliance traps investors miss, and which option fits your strategy.
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Why Offset and Redraw Matter for Property Investors
Both features reduce your daily interest calculation—offset by the account balance sitting alongside the loan, redraw by extra repayments sitting inside the loan—so you pay less interest each month without formally shortening the term or changing the minimum payment.
Offset accounts don’t change the loan balance or purpose; funds you deposit and withdraw remain separate from the loan’s tax-deductible nature. Redraw withdrawals pull money from extra repayments already claimed as interest deductions, so reusing those funds for personal expenses can trigger an ATO audit or partial disallowance.
Both give you a cash reserve for urgent property repairs, rate increases, or vacancy periods—but offset accounts usually offer instant online access, while redraw can take 24–72 hours and some lenders limit how often you can withdraw each year.
Offset loans typically cost 0.05–0.15% p.a. more than a basic variable rate, plus an annual package fee ($200–$395); redraw is usually free as a built-in feature on standard variable loans. That rate difference can be offset by the interest saved if you keep a decent buffer in the account—Andy’s rule of thumb: if you’ll park $15,000+ regularly, offset usually wins; below that, redraw’s simplicity and lower rate may be better.
What Offset and Redraw Actually Are and How They Differ
Offset Account
A transaction account linked to your investment loan. Every dollar in the account reduces the loan balance used to calculate daily interest, but the loan principal remains unchanged. Example: $450,000 loan, $20,000 in the offset → you pay interest on $430,000. The $20,000 is your money; you can spend it, transfer it, or leave it—there’s no restriction, and it never forms part of the loan.
Redraw Facility
A feature inside the loan that lets you access extra repayments you’ve already made above the minimum. If your minimum monthly payment is $2,100 and you pay $2,500, the extra $400 goes into the redraw pool. That $400 lowers your loan balance and the interest charged. To get it back, you request a redraw—some lenders process it online within an hour, others take a day or two, and a few limit you to four redraws per year or charge $20–$50 per withdrawal.
The Tax Treatment Split
The ATO views the loan balance and purpose as fixed when you first borrow. Redraw pulls money from extra repayments; once you’ve paid extra, the ATO considers that portion of the loan repaid. If you then redraw $10,000 for a family car, you’ve re-borrowed for a private purpose, and the interest on that $10,000 is no longer deductible. Offset accounts sidestep this entirely—the money in the offset is separate savings, so spending it doesn’t change the loan’s original purpose.
Access Speed And Flexibility
Most offset accounts function like everyday transaction accounts—online transfers, card access, instant availability. Redraw is request-based: you log into the lender’s portal, nominate an amount, and they release it to your nominated account. Turnaround varies: major banks (CBA, Westpac, NAB) usually process within a few hours on business days; smaller lenders may take 24–48 hours.
Offset vs Redraw: Side-by-Side
Below is a plain comparison of the two features across the factors that matter most to Perth and Mandurah investors.
| Factor | Offset Account | Redraw Facility |
|---|---|---|
| Structure | Separate linked transaction account | Feature inside the loan; stores extra repayments |
| Interest reduction | Daily; balance offsets loan for interest calculation | Daily; extra payments lower principal |
| Tax treatment (investment loans) | Funds remain separate; spending doesn’t affect loan deductibility | Withdrawing for personal use can trigger mixed-purpose rules and reduce deductions |
| Access speed | Instant (online transfer, card, BPAY) | Request-based; 1 hour–48 hours depending on lender |
| Withdrawal limits | None (it’s your account) | Often capped by frequency (e.g., 4× per year) or amount per request |
| Fees | $0–$10/month account-keeping; sometimes waived in a package | Usually free; some lenders charge $20–$50 per redraw |
| Interest rate | Typically +0.05–0.15% p.a. higher than basic variable | Standard variable rate (no premium) |
| Annual package fee | $200–$395 (waived on some premium packages) | $0 (bundled into standard product) |
| Best for | Investors who want tax-safe flexibility and keep $15,000+ buffer regularly | Investors with steady cash flow, small buffers, and discipline not to redraw for personal use |
The decision comes down to how you’ll use the feature. If you’re parking rental income, offset wins—especially if you later want to pull funds for another investment deposit or renovation without ATO hassle. If you’re making lump-sum payments once a year (e.g., end-of-financial-year bonus) and rarely need the money back, redraw’s simplicity and lower upfront cost make sense.
What Investors Get Wrong: Thinking Offset and Redraw Are Interchangeable
Most investors assume offset and redraw are the same thing with different labels. They aren't. Offset accounts sit separate from the loan—you can pull money out any time, and every dollar in the account reduces your daily interest calculation. Redraw is part of the loan itself; extra repayments lower the balance, but access rules vary—some lenders cap withdrawal frequency, some charge fees, and a few will redraw only to your nominated account within 24 hours.
The Tax Compliance Trap
If you use a redraw for personal expenses after you’ve claimed the original loan interest as a tax deduction, you’ve just mixed purposes and the ATO may disallow part of your claim. With an offset, personal spending from the linked account doesn’t change the loan’s deductibility—it’s separate money. That structural difference is why offset loans typically charge a slightly higher rate or annual package fee, but the tax clarity alone makes it the safer choice for most investors.
Real Cost Of Mixing Loan Purposes
I’ve seen clients lose $8,000–$12,000 in denied deductions over three years because they redrew for a family holiday and couldn’t prove the funds were reinvested into the property. The ATO’s position is clear: if you repay part of an investment loan, then re-borrow for private use, the interest on the re-borrowed amount isn’t deductible.
Lenders Can Freeze Redraw Access
Lenders sometimes freeze or reduce redraw limits if they perceive higher risk—construction loans, low-doc applicants, or during credit-tightening cycles. I had a Mandurah client with a redraw balance of $35,000; when they requested a redraw in 2023 during a serviceability crackdown, the lender approved only $15,000 and flagged the rest as ‘required buffer.’ Offset balances can’t be frozen—they’re held in your name, not the lender’s control.
The Peace-Of-Mind Premium
For the 10–15 basis-point rate difference and $300 annual fee, offset gives you certainty. If your buffer sits below $10,000 most of the time and you genuinely won’t touch it, redraw is fine. But if you’re juggling multiple properties, planning another purchase within 2–3 years, or want the option to use surplus rent for personal expenses without an ATO audit, offset is the one that won’t bite you later.
Common Questions About Offset and Redraw on Investment Loans
Yes, most offset-package loans also include a redraw facility. You’d use the offset for your main buffer (instant access, no tax risk) and redraw for any lump-sum extra payments you’re confident you won’t need back soon. In practice, if you have offset you rarely bother with redraw—it’s redundant.
No. The loan principal and interest paid remain the same for deduction purposes—you’re just paying less interest overall because the daily calculation is lower. Your deduction is the actual interest charged and paid, which is now reduced by the offset/redraw balance. The ATO doesn’t care that you’ve lowered your interest bill; they only care if you change what the borrowed funds are used for.
The offset account is separate from the loan. When the loan is paid out at settlement, the offset account remains open (it’s your transaction account) with the full balance intact. You can keep using it as a normal account, transfer the funds to another offset on a new loan, or close it and move the money wherever you like. None of that affects the discharged loan or your tax.
Almost never. Fixed-rate loans lock the repayment and term; extra payments are either not allowed or held without reducing interest (called a ‘parking account’). Some lenders offer a small redraw allowance (e.g., up to $10,000 over the fixed term), but it’s rare and restricted. If you need flexibility, choose variable or a split loan (part fixed, part variable with offset/redraw on the variable portion).
Depends on the lender. CBA, Westpac, NAB: usually 1–4 hours on business days via online request. Regional banks and smaller lenders: 24–48 hours. Some require phone verification for amounts over $20,000 or if it’s your first redraw. Always test the process once before you need it urgently—identity checks or dormant accounts can add delay.
No. Offset accounts typically pay 0% interest on the balance, because the benefit is the interest you save on the loan—which is always higher than any savings account rate. If you want to earn interest on surplus cash and don’t have a loan, use a high-interest savings account instead. Offset only makes sense when linked to a loan.
You can, but it’s messy. You’d need to re-contribute the funds to the loan immediately and document that the personal expense was paid from another source, or split-account the loan going forward so the interest on the redrawn portion is tracked separately and not claimed. Most accountants will charge $300–$600 to set that up and maintain it each year. Simpler to just use offset and avoid the problem entirely.
Usually not without refinancing. Redraw is a feature baked into the original loan contract; offset requires a package product. Some lenders let you upgrade to a package mid-term (e.g., CBA’s Wealth Package), but you’ll pay the package fee from that point and the rate may change. If your current loan doesn’t offer the feature you want, refinancing to a lender that does is the cleanest path—and often you’ll get a better rate in the process.
Andy’s rule: if your average balance will be $15,000+, offset’s interest saving (~$800–$900/year at 5.8%) covers the package fee and rate premium with cash left over. Below $10,000, redraw’s lower rate wins. Between $10,000–$15,000, it depends on how often you move money and whether tax simplicity matters to you.
No—lenders assess borrowing power based on your income, existing loan repayments, and liabilities, not your savings. A large offset balance actually strengthens your application slightly (demonstrates cash-flow discipline), but it doesn’t directly increase how much you can borrow. What does help: if you’re using the offset balance as part of your deposit for property two, that’s genuine savings and lenders like it.
Experience You Can't Shortcut — Broking Since 2000
Andy’s been arranging investment loans in Perth and Mandurah since 2000—back when most WA families thought negative gearing was an obscure tax loophole. He’s seen three full property cycles, watched lenders tighten and loosen investor policy five times, and worked with enough accountants to know which structures cause problems at tax time and which save money long-term.
He picks up the phone when the valuation comes back low, when your accountant wants the loan split differently, or when the rental appraisal doesn’t match what the lender’s model says the property should rent for. You get his mobile, and he answers. Not next business day—when you call.
No franchise, no junior processing your file while the senior broker chases the next lead. You deal with Andy from the first structure conversation through to settlement and beyond. Most of his investment clients come back for the next purchase, the refinance, the equity release, because the work doesn’t stop at settlement—he keeps checking that the loan still fits as your portfolio grows.
If you want an investment loan explained line by line, structured around your accountant’s advice, and arranged by someone who’s been comparing lenders since before online applications existed, call Andy.
When offset wins, when redraw is enough
First-time investor parking rent between properties
You bought a Rockingham unit for $380,000; rent is $420/week = ~$1,820/month. After loan repayments, rates, strata, and insurance, you clear $400/month surplus. Over 18 months you've built $7,200 in the offset. You're planning to buy property two in 2026, so you'll pull that $7,200 plus savings for the next deposit.
Established investor with steady cash flow, no short-term plans
You own three Perth rentals; all positively geared after 2023 rate rises. You make one lump-sum extra payment each December ($5,000–$8,000) from your annual bonus. You've never withdrawn a redraw.
Investor refinancing to release equity for the next purchase
You're using equity in your home to invest in a second rental. The refinance pulls $80,000 equity; you'll use $60,000 for the new deposit and park the remaining $20,000 as a buffer for both properties.
SMSF property loan
SMSF trustees are hyper-cautious about compliance; any personal benefit from fund assets is a breach. Redraw from an SMSF loan must stay inside the fund and be used for the property or other fund purposes. Offset accounts are rare on SMSF loans (lenders see them as higher risk), but when available they must be held in the SMSF's name and used only for fund purposes.
Reviewed by
Credit Representative & Mortgage Broker
The information on this page has been reviewed for accuracy by Andy Iriks, a Credit Representative & Mortgage Broker at Wanna Finance. It is general information only.
