Unlock the Secrets to Fixed, Variable & Split Loans

What Each Loan Type Actually Means for Your Repayments

A fixed rate loan locks your interest rate for a set period, usually one to five years. A variable rate moves with the market and comes with features like offset accounts and unlimited extra repayments. A split loan divides your borrowing between both.

The difference shows up in how much you pay and what you can do with your loan. Fixed rates offer certainty over your repayments, which makes budgeting predictable when you've just bought your first home and are adjusting to new expenses. Variable rates give you flexibility to pay extra, use an offset account to reduce interest, and access features that can save you thousands over time. A split lets you combine both approaches.

Consider a couple borrowing to buy in Mount Waverley. They choose a three-year fixed rate because they want stable repayments while they're settling into homeownership. For the first three years, their repayments stay exactly the same regardless of what happens with the cash rate. When the fixed period ends, their loan reverts to a variable rate and they can start making extra repayments or attach an offset account to reduce interest. During the fixed period, they couldn't do either without paying fees.

That trade-off sits at the centre of this decision. You're choosing between certainty and control.

Fixed Rates Give You Predictability But Limit Your Options

Fixed rates protect you from rate rises during the fixed period, but they also prevent you from taking advantage of rate cuts or making meaningful extra repayments without penalties.

Most fixed rate loans allow a maximum of $10,000 to $30,000 in extra repayments per year depending on the lender. Go beyond that and you'll pay break costs, which are calculated based on the lender's funding cost difference and the remaining fixed term. If rates have dropped since you fixed, those break costs can run into thousands of dollars. You also can't link an offset account to a fixed rate loan, which removes one of the most effective tools for reducing interest over time.

If you're planning to use the First Home Guarantee to buy with a 5% deposit, you might lean towards a fixed rate because you want to protect yourself from rate rises while you're stretched on repayments. That makes sense if your budget has no room to absorb an increase, but it also means you can't benefit if rates fall or if you receive unexpected money and want to pay down the loan.

The fixed period also affects refinancing. If you want to switch lenders or restructure your loan during the fixed term, you'll pay break costs to exit. That can make it expensive to move even if you find a much lower rate elsewhere.

Variable Rates Offer Flexibility and Access to Offset Accounts

Variable rates move with the market, which means your repayments can increase or decrease depending on what the Reserve Bank does with the cash rate.

The upside is flexibility. You can make unlimited extra repayments, redraw funds if the loan allows it, and attach an offset account. An offset account is a transaction account linked to your home loan. Every dollar in the offset reduces the balance on which you're charged interest, without affecting your access to that money. If you have a $500,000 loan and $30,000 sitting in an offset account, you only pay interest on $470,000. The $30,000 stays available for you to use at any time.

For couples buying their first home, this flexibility matters when your financial situation is still forming. You might receive bonuses, tax refunds, or gifts from family. Parking those funds in an offset account reduces your interest immediately while keeping the money accessible if you need it for furniture, repairs, or other costs that come with a new home.

Variable rates also make it easier to refinance if a better rate or product becomes available. You can switch lenders without paying break costs, which gives you more control over your loan structure as your circumstances change.

The downside is uncertainty. If rates rise sharply, your repayments increase and your budget needs to flex with it. For first home buyers already managing new expenses, that uncertainty can feel uncomfortable.

Split Loans Let You Hedge Your Position

A split loan divides your total borrowing into two portions, one fixed and one variable. You choose the percentage for each portion based on how much certainty you want versus how much flexibility you need.

A common approach is a 50/50 split. Half your loan is fixed for three years at a known rate, giving you partial protection from rate rises. The other half stays variable, so you can make extra repayments and use an offset account on that portion. If rates rise, only half your loan is affected. If rates fall, half your loan benefits immediately.

In our experience, couples buying in Melbourne often lean towards a 60% fixed and 40% variable split when they want more stability but still need access to offset and redraw features. The fixed portion covers the bulk of the repayment, so budgeting stays relatively predictable. The variable portion gives them somewhere to direct extra income or savings without triggering penalties.

You can also adjust the fixed term on the split. Some buyers fix one portion for two years and another for four years, which staggers the expiry dates and reduces the risk of both portions reverting to variable at the same time in a high-rate environment. This approach adds a layer of control, but it also adds complexity when managing your loan.

How to Choose the Right Structure for Your Situation

Your decision depends on three things: your income stability, your tolerance for rate changes, and whether you're likely to have surplus cash to put towards the loan.

If your income is steady and predictable, and your budget has little room to absorb repayment increases, a fixed rate makes sense for at least a portion of your loan. If you're likely to receive bonuses, commissions, or irregular income that you want to use to pay down debt, you need access to a variable loan or the variable portion of a split so you can make extra repayments and use an offset account.

Consider how long you plan to stay in the property. If you're buying a unit in Chadstone as a starter home and expect to upgrade in three to four years, locking in a five-year fixed rate might work against you when you try to sell and pay out the loan early. A variable rate or a shorter fixed term gives you more flexibility to exit without penalty.

Also think about whether you're eligible for any first home buyer concessions or grants that might reduce your upfront costs and leave you with more cash to offset against the loan. Victoria offers stamp duty concessions up to $600,000 and a $10,000 grant for new homes, which can free up funds that would otherwise go to settlement costs. Keeping that money in an offset account rather than putting it all into the deposit can reduce your interest and give you a buffer for unexpected expenses.

There's no universal answer, but there is a structure that fits your income pattern and risk preference. A mortgage broker can model different scenarios using your actual borrowing amount and show you the cost difference between each option over the first few years of the loan. That comparison often makes the decision clearer than trying to predict rate movements or guess at future flexibility.

Call one of our team or book an appointment at a time that works for you. We'll walk through your income, your deposit, and your plans for the property, and show you what each loan structure actually costs in your situation.

Frequently Asked Questions