Fixed Rate Investment Loans: Avoid These 3 Mistakes

Locking in a fixed rate on an investment property feels like protection against rising rates. But the term you choose matters more than most investors realise, and getting it wrong can leave you paying break costs when you refinance or locked out of equity when you want to expand your portfolio.

Mistake 1: Choosing a Fixed Term Without Checking Your Plans for the Property

Your fixed rate term should match how long you intend to hold the property in its current structure. If you lock in a five-year term but decide to sell, renovate, or draw equity in year three, you'll trigger break costs that can run into thousands of dollars. Consider an investor who bought a two-bedroom unit in Torquay in early 2024 and fixed for five years at 5.79%. Two years later, rates drop and they want to refinance to access equity for a second purchase. The lender calculates the economic loss from breaking the contract early, and the investor pays $8,400 in exit fees. That cost eliminates most of the benefit they were chasing by refinancing.

If you're planning to renovate, subdivide, or sell within the next few years, a shorter fixed term or a split loan structure gives you room to move. Investors who intend to hold long-term and aren't planning changes can comfortably lock in longer terms. The question to ask before signing is not just where rates are headed, but what you'll need from the loan over the next three to five years.

Mistake 2: Fixing 100% of the Loan and Losing Access to Offset and Redraw

Most fixed rate investment loans don't allow offset accounts or flexible redraw, which means any surplus cash you hold sits in a separate account earning taxable interest instead of reducing the interest charged on your loan. If your rental income exceeds expenses or you've built up a cash buffer, that money isn't working for you. A variable portion of the loan lets you park surplus funds in an offset account, reducing the taxable income you earn and cutting the interest you're charged on the loan without affecting your deductible debt.

Splitting the loan also preserves flexibility if you need to access equity. Consider a Torquay investor who owns a townhouse near the Surf Coast Plaza and wants to buy a second property within two years. They fix 60% of the loan and leave 40% on a variable rate with offset and redraw. When they're ready to purchase again, they refinance or top up the variable portion without triggering break costs on the fixed side. The variable portion gives them access to equity and cash flow control, while the fixed side protects them from rate rises on the majority of the debt.

You don't need to pick one or the other. Most lenders let you split the loan into fixed and variable portions, and you can weight the split based on how much certainty you want versus how much flexibility you might need.

Mistake 3: Ignoring How Fixed Terms Interact with Interest-Only Periods

Most investment loans in Torquay are structured as interest-only for the first five years, which keeps repayments lower and maximises tax deductions. But if your interest-only period expires before your fixed term does, the loan converts to principal and interest, and your repayments jump. That increase is locked in until the fixed term ends, even if you'd prefer to extend the interest-only arrangement.

If you fix for five years but your interest-only period ends in year three, you'll spend two years making higher repayments than you planned for. That might not suit your cash flow, especially if rental income is tight or you're holding multiple properties. The alternative is to align your fixed term with your interest-only period, or keep it shorter so you have the option to renegotiate both at the same time. Investors who plan to refinance or review their structure regularly often fix for two or three years rather than five, because it gives them a chance to reassess both the rate and the loan structure before the interest-only period runs out.

It's also worth noting that extending an interest-only period on a fixed loan usually isn't possible until the fixed term expires. If you're relying on low repayments to make the property viable, don't lock yourself into a structure that forces a change before you're ready.

How the 2027 Tax Changes Affect Fixed Rate Decisions for New Investors

If you purchased an established investment property in Torquay after 12 May 2026, the way you use negative gearing and capital gains tax will change from 1 July 2027. Losses on that property can only be offset against other residential property income, not your salary, and when you eventually sell, a minimum 30% tax will apply to any capital gain. Those changes don't affect properties bought before Budget night, and new builds still qualify for the old rules.

What this means for fixed rate terms is that newer investors may want shorter terms with more flexibility to refinance or restructure as the tax treatment shifts. If your deductions are capped and your after-tax return is lower than expected, you might want the option to sell, renovate, or change your borrowing structure without paying break costs. Locking in a five-year fixed term in late 2026 means you're committed until 2031 or beyond, and the financial landscape around property investment is shifting faster than it has in years.

Investors who bought before the Budget cut-off still benefit from the old negative gearing and CGT rules, so longer fixed terms remain a viable option if rate certainty suits their strategy. But if you're buying now, particularly in a lifestyle market like Torquay where vacancy rates can shift with seasonal demand, a two or three-year fixed term gives you room to adapt without penalty.

When a Longer Fixed Term Still Makes Sense

A five-year fixed term works when you're holding the property long-term, your interest-only period is aligned, and you don't expect to need equity or changes to the loan structure. Investors with multiple properties who want to lock in repayments on one while keeping others variable can use a longer fixed term as a stabilising anchor in the portfolio. If you're confident in the location, the rental income is covering costs, and you're not planning to sell or renovate, a longer fixed rate protects you from multiple rate rises over the next few years.

Torquay's property market has been shaped by lifestyle demand and proximity to the Surf Coast, and rental demand stays relatively solid outside the quieter winter months. Investors holding well-located properties near the foreshore or within walking distance of amenities tend to hold for the long term, and in those cases a longer fixed term can reduce uncertainty and smooth cash flow across the portfolio.

But if you're still building your portfolio, or if your plans for the property aren't locked in, a shorter term or split structure is usually the safer choice. You can always refix when the term ends, but you can't undo a long fixed term without paying for it.

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