Fixed vs Variable vs Split Investment Loans

The structure you choose for your investment loan affects how much you pay each month and how much control you have when rates shift.

Most property investors in Balmoral start with one question: should I fix, go variable, or split the difference? The answer depends on what you're trying to achieve with this particular property and how the loan fits within your broader investment property strategy. Let's look at what each option actually does and when it makes sense.

Variable Rate Investment Loans: Flexibility With Rate Movement

A variable rate investment loan moves up or down with the market, which means your repayments change when lenders adjust their rates. You can typically make extra repayments without penalty, access redraw facilities, and refinance without break costs if a better option appears.

Consider an investor who purchased a two-bedroom unit in Balmoral to hold long-term. They chose a variable rate because they planned to use rental income plus occasional lump sums from their business to pay down the loan faster. When rates dropped, their repayments decreased automatically. When they wanted to pull equity out later to fund a second purchase, they could refinance without penalty. The flexibility suited their approach because they weren't trying to predict rates—they were focused on leverage and portfolio growth over time.

The downside is uncertainty. If rates rise sharply, your repayments increase, and so does the gap between what you're paying and what your tenant covers. For investors relying on steady cash flow or those with high loan to value ratios, that can be uncomfortable.

Fixed Rate Investment Loans: Predictability Over a Set Period

A fixed rate locks in your interest rate for a set period, typically one to five years. Your repayments stay the same regardless of what happens in the broader market, which makes budgeting straightforward and protects you if rates climb.

In a scenario where an investor bought a Balmoral townhouse during a period of rising rates, they fixed for three years at a rate below where the market was heading. Over that period, variable rates increased twice. The fixed rate gave them certainty around cash flow, which mattered because they were also managing a mortgage on their own home. When the fixed term ended, they moved to a variable rate and started making extra repayments to reduce the loan amount.

The trade-off is rigidity. Most fixed rate loans limit extra repayments to around $10,000 to $30,000 per year. If you want to refinance or pay the loan off early, you'll face break costs, which can run into the thousands depending on how much rates have moved since you locked in. You also miss out if rates fall during your fixed period.

Split Loan Options: Dividing Your Loan Amount Between Fixed and Variable

A split loan divides your borrowing into two portions—one fixed, one variable. You decide the split, commonly 50/50 or 60/40, depending on how much certainty you want versus how much flexibility you need.

This structure works well for investors who want some protection from rate rises but don't want to give up access to features like offset accounts or the ability to make larger repayments. The variable portion lets you take advantage of rate drops and pay down debt faster when you have surplus income. The fixed portion keeps a baseline repayment stable.

For Balmoral investors holding properties near The Esplanade or around Hawthorne Road, where median rental yields sit around 3.5% to 4%, a split structure can help manage the gap between rental income and loan repayments. The fixed portion covers your minimum obligations, while the variable portion absorbs extra contributions when rental income is strong or when you receive a work bonus.

The complexity is minimal but real. You're managing two loan accounts, each with its own terms. Some lenders charge separate fees for each portion. And if you want to adjust the split later, you'll need to refinance at least one part of the loan.

How Interest-Only Repayments Fit With Each Structure

Interest-only repayments are available on fixed, variable, and split loans. You pay only the interest charged each month, not the principal, which keeps repayments lower and can improve cash flow in the short term.

This structure is common for investors focused on negative gearing benefits or those planning to sell within a few years rather than hold long-term. You're not building equity through repayments, but you're maximising tax deductions and keeping capital free for other investments.

Balmoral's property market has historically seen moderate capital growth, which makes interest-only repayments viable if you're confident the property will appreciate over time. However, when the interest-only period ends—typically after five years—you'll need to either refinance, switch to principal and interest repayments, or sell. That switch can increase your repayments significantly, so it's worth modelling what that looks like before you commit.

Interest-only on a fixed rate gives you locked repayments with no equity reduction. Interest-only on a variable rate gives you flexibility to switch to principal and interest whenever you choose. A split loan lets you keep one portion interest-only while paying down the other, which can suit investors who want to test both approaches.

Which Structure Suits Your Investment Property Goals

Your choice depends on what you're trying to do with this property. If you're building a portfolio and plan to access equity within a few years, a variable rate gives you the flexibility to refinance or restructure without penalty. If you're concerned about rate rises and want predictable repayments while you manage other financial commitments, a fixed rate removes that uncertainty.

If you're holding a Balmoral property as part of a long-term wealth-building strategy and you want some protection without losing all flexibility, a split loan often makes the most sense. You're not betting on rates moving in one direction—you're covering both scenarios.

Most lenders offer all three structures, but the features, rate discounts, and fees vary. Your borrowing capacity and deposit size will also influence what's available and what rates you're offered. It's worth comparing options across multiple lenders rather than defaulting to your current bank.

If you're ready to work through which structure fits your situation, call one of our team or book an appointment at a time that works for you. We'll run the numbers and talk through what makes sense for your property and your broader financial position.

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