Fixed Investment Loans and Extra Repayments: 3 Mistakes

What happens when you lock in a rate but need flexibility, and how the rules changed in 2026 for Liverpool investors.

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Fixed Rates Lock Your Rate But Also Lock Your Repayment Options

A fixed rate investment loan gives you certainty on interest costs for the loan term, but most products cap extra repayments at $10,000 to $30,000 per year without penalty. Anything beyond that limit triggers break costs.

Consider an investor who refinanced a Liverpool rental property in early 2025, locking in a three-year fixed rate at 5.89 per cent on a $580,000 loan. Twelve months later, they sold a business and wanted to put $120,000 against the loan. The lender allowed $20,000 per year without penalty. The remaining $100,000 would have attracted a break cost calculated on the difference between the fixed rate and the wholesale rate for the remaining term. At the time, that difference was roughly 0.45 per cent, meaning around $2,600 in break costs for the privilege of paying down debt early.

The lesson is not that fixed rates are a poor choice. The lesson is that your repayment strategy needs to align with your product features before you lock in the rate. If you expect irregular lump sums from bonuses, business income, or asset sales, a variable rate or a split loan structure gives you the flexibility to deploy that capital without penalty.

Split Loan Structures Let You Have Both Certainty and Flexibility

A split loan divides your borrowing into two portions: one fixed, one variable. You nominate the split at settlement, commonly 50/50 or 70/30 depending on your risk tolerance and repayment plans.

The fixed portion delivers predictable repayments and protects you from rate rises. The variable portion allows unlimited extra repayments, redraw if the loan permits it, and the ability to pay down principal as your rental income builds or other cash flow lands. You can structure the variable portion to accept all additional payments, effectively quarantining your flexibility while retaining rate certainty on the bulk of the debt.

For an investment loan in Liverpool, where vacancy rates have hovered around 1.8 per cent over the past year and rental yields sit between 3.8 and 4.2 per cent depending on the precinct, a split structure lets you lock in the majority of your rate while leaving room to take advantage of strong rental demand or a windfall.

Most Investors Focus on the Interest Rate and Ignore the Product Features

Rate alone does not determine the real cost of a loan. Two lenders might quote the same fixed rate, but one allows $30,000 in extra repayments per year while the other allows $10,000. One permits partial offset accounts on the variable portion while the other does not. One charges a $395 annual package fee while the other has no ongoing fees but a higher rate.

In our experience, most investors compare the headline rate and miss the features that matter once the loan is active. The product disclosure statement lists these limits, but not many borrowers read past the summary table.

If you plan to pay down debt faster than the minimum, check the extra repayment cap before you lock in the rate. If you expect irregular income, ask whether the lender offers partial offset on the variable split. If you are building a portfolio, ask whether the lender allows you to leverage equity from one property to fund the next without refinancing the entire holding.

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Book a chat with a Finance & Mortgage Broker at Credible Finance today.

The Negative Gearing Changes From July 2027 Affect Your Loan Strategy Now

From 1 July 2027, rental losses on residential properties acquired after 7:30pm on 12 May 2026 cannot be offset against wage or salary income unless the property qualifies as an eligible new build. Losses are quarantined and can only be offset against other residential rental income or carried forward to offset future rental income or capital gains.

If you bought an established property in Liverpool between mid-May 2026 and now, you have until 30 June 2027 to claim rental losses under the old rules. After that, losses are quarantined.

The immediate impact on loan structure is that interest-only loans, which maximise your deduction in the early years, deliver less value under the new rules unless you hold multiple properties and can offset the loss internally or unless your property qualifies as a new build. For investors buying established stock, principal and interest repayments become more appealing because you reduce the debt faster and the tax benefit of negative gearing is no longer available to offset other income.

Liverpool has seen strong demand for townhouses and dual-occupancy developments near the hospital precinct and the CBD, many of which qualify as new builds under the definition in the legislation. If you are acquiring one of those properties, the old negative gearing rules still apply, and an interest-only structure on a fixed rate remains a valid approach to maximise deductions and manage cash flow.

For established properties, the calculus shifts. Paying down principal faster means less interest paid over time, and since you cannot offset the loss against your salary, the benefit of maximising the deduction is gone. A split structure with a variable portion that accepts extra repayments gives you the option to accelerate principal reduction as your circumstances allow.

Break Costs Are Calculated on the Difference Between Your Rate and the Wholesale Rate for the Remaining Term

When you exceed the extra repayment cap on a fixed loan, the lender calculates break costs based on the economic loss they incur by allowing you to repay early. The formula compares the fixed rate you locked in with the current wholesale rate the lender would earn if they redeployed that capital for the same remaining period.

If wholesale rates have fallen since you fixed, the lender loses income and charges you the difference. If wholesale rates have risen, the lender gains and the break cost is nil or minimal.

The break cost is not a penalty for bad behaviour. It is a compensation mechanism to make the lender whole. The problem is that most borrowers do not anticipate needing to break the loan, and when circumstances change, the cost can be significant.

If you are considering a fixed rate for an investment property, ask the lender for a worked example of break costs at different points in the fixed term. Most lenders provide a calculator or a written scenario. If you think there is any chance you will want to sell the property, refinance to access equity, or make large extra repayments during the fixed period, factor that into your decision before you lock in.

Offset Accounts Are Rarely Available on Investment Loans But Partial Offset on a Split Can Work

Most lenders do not offer full offset accounts on investment loans because the tax treatment becomes complex. The ATO allows you to claim interest on borrowings used to acquire or hold an income-producing asset, but if you offset the balance with funds that could be used elsewhere, the deduction may be reduced or disallowed depending on the purpose of the offset funds.

Some lenders offer partial offset on the variable portion of a split loan, where the offset balance reduces the interest charged but does not eliminate it entirely. This structure preserves the deduction while giving you some benefit from surplus cash.

For Liverpool investors, where the median rental property sits in the $600,000 to $700,000 range for a three-bedroom house and rental income covers around 70 to 80 per cent of the mortgage repayment at current rates, a partial offset on the variable split can absorb surplus rental income or business cash flow without triggering the same tax complexity as a full offset.

If your lender does not offer offset on investment loans, the alternative is to keep surplus funds in a separate high-interest savings account and make extra repayments manually as the balance builds. This approach preserves the full tax deduction and avoids the risk of redraw restrictions during the loan term.

Refinancing to Access Equity Means Discharging the Fixed Loan Unless Your Lender Allows Partial Release

When you want to access equity from an investment property to fund your next purchase, the lender typically requires a full discharge and a new loan to be written at the updated valuation. If your existing loan is on a fixed rate with two years remaining, discharging it early triggers break costs on the full loan amount, not just the portion you are refinancing.

Some lenders allow a partial release, where they increase the loan amount without discharging the existing facility. This option avoids break costs but is not available across all products. If you plan to build a portfolio and expect to leverage equity every few years, ask whether the lender supports partial releases or top-ups during the fixed period before you settle the first loan.

Another approach is to fix only the portion you do not expect to refinance and leave the remainder on a variable rate. If you anticipate needing to access $100,000 in equity within three years, structure the loan so that $100,000 sits on the variable split from the start. When the time comes to refinance your investment loan, you only need to increase the variable portion, and the fixed portion remains untouched.

Interest-Only Periods on Fixed Loans Are Shorter Than on Variable Loans

Most lenders offer interest-only periods of up to five years on variable investment loans, but only one to three years on fixed loans. If you lock in a three-year fixed rate with a two-year interest-only period, you will revert to principal and interest repayments in year three, even though the rate remains fixed.

The impact on cash flow can catch investors off guard. Your repayment might jump by 30 per cent or more when principal repayments begin, and if your rental income has not increased to cover the shortfall, you are funding the gap from other income.

Before locking in a fixed rate, confirm the interest-only period and model the repayment change when it ends. If your rental income is tight and you expect to hold the property for more than a few years, a variable loan with a longer interest-only period might give you more breathing room, even if the rate is slightly higher.

For properties in Liverpool close to the Westfield precinct or near the new health and education precinct, where rental demand is strong and vacancy sits below 2 per cent, rental income tends to grow steadily. A shorter interest-only period may not be a problem if you can reasonably expect rent reviews to cover the repayment increase within a year or two.

Liverpool's Rental Market Supports Steady Income But CGT Rule Changes Affect Your Hold Period

Liverpool's rental market benefits from proximity to the airport, the hospital, and Western Sydney University, with a tenant base spanning students, healthcare workers, and young families. Rental yields for houses sit between 3.8 and 4.2 per cent, and units closer to the CBD and transport hubs deliver yields of 4.5 to 5 per cent.

The capital gains tax changes effective from 1 July 2027 replace the 50 per cent CGT discount with cost base indexation and a 30 per cent minimum tax rate on real gains for properties acquired after mid-May 2026. Gains accrued before 1 July 2027 remain under the old rules, so the longer you hold the property past that date, the more of your gain is taxed under the new system.

For investors buying now, the hold period becomes more sensitive to the tax treatment. If you plan to sell within five to seven years, the new CGT rules will apply to most of the gain. If you plan to hold for ten years or more, indexation may reduce your taxable gain compared to the old discount, depending on inflation.

The loan structure you choose now should match your intended hold period. A longer fixed rate locks in certainty but reduces flexibility if you decide to sell earlier than planned. A split structure or a shorter fixed term gives you more options to adjust as the market and your circumstances change.

If you want to talk through your situation and map out a loan structure that aligns with the new tax rules, your rental income, and your plans for the property, call one of our team or book an appointment at a time that works for you.

Frequently Asked Questions

Can I make extra repayments on a fixed rate investment loan?

Most fixed rate investment loans allow extra repayments up to a cap, usually between $10,000 and $30,000 per year. Payments beyond that limit trigger break costs based on the difference between your fixed rate and the current wholesale rate.

What is a split loan structure for investment property?

A split loan divides your borrowing into a fixed portion and a variable portion. The fixed portion locks in your rate, and the variable portion allows unlimited extra repayments and flexibility for lump sums or early paydown.

How do the July 2027 negative gearing changes affect my loan?

From 1 July 2027, rental losses on established properties bought after mid-May 2026 cannot be offset against wage income. Losses are quarantined and can only offset other rental income or future capital gains, making principal and interest repayments more appealing for many investors.

What are break costs on a fixed investment loan?

Break costs compensate the lender when you repay more than the allowed cap or discharge the loan early. The cost is calculated on the difference between your fixed rate and the wholesale rate for the remaining term.

Can I access equity from my investment property without paying break costs?

Some lenders allow partial releases or top-ups during the fixed period, letting you access equity without discharging the loan. If your lender does not offer this, you will pay break costs on the full fixed amount when refinancing.


Ready to get started?

Book a chat with a Finance & Mortgage Broker at Credible Finance today.