Fixed, Variable, and Split Home Loans Explained

Your first home loan application in Australia will ask you to choose between fixed, variable, or split interest rate options.

Most new migrants don't realise this decision affects more than just your monthly repayments. It determines whether you can make extra repayments, access an offset account, or refinance without penalty. Picking the wrong structure can cost you thousands in break fees or limit your ability to pay off your loan faster.

What a Fixed Interest Rate Actually Means

A fixed interest rate locks in your repayment amount for a set period, usually between one and five years. Your repayments stay the same regardless of what happens to the Reserve Bank cash rate during that time.

Consider a buyer who secures a fixed rate on a $600,000 loan with a 10% deposit. If rates drop during their fixed period, they keep paying at the higher rate. If rates climb, they're protected from increases. The catch is that most fixed loans in Australia limit extra repayments to around $10,000 to $30,000 per year. If you want to pay down your loan faster using savings or bonuses, a fixed rate might not suit your situation.

Fixed loans typically don't include offset account access either. An offset account is a transaction account linked to your home loan where the balance reduces the interest you pay. For someone building up savings while servicing their first home loan, losing offset access can mean paying more interest overall, even with a slightly lower fixed rate.

If you break a fixed rate contract early by refinancing or selling, you'll likely face break costs. These fees compensate the lender for the interest they lose. The calculation depends on how much time is left on your fixed term and where current rates sit compared to your locked rate. In some scenarios, break costs can reach tens of thousands of dollars.

Variable Interest Rate Loans and Why They Offer More Control

A variable interest rate moves with the market, which means your repayments can increase or decrease based on lender decisions and broader economic conditions. The upside is flexibility.

Variable loans usually allow unlimited extra repayments, full redraw access, and the option to link an offset account. If you're earning a salary in Australian dollars but still building your emergency fund, having an offset account means your savings reduce your loan interest without locking that money away. You can access it anytime for unexpected costs like car repairs or medical expenses.

Most variable loans also let you refinance or pay out the loan without penalty. This matters for new migrants who might sell and relocate for work, or who want to take advantage of better rates down the track. Someone on a temporary visa transitioning to permanent residency might refinance once their visa status improves and they qualify for better terms.

The risk is that if rates climb sharply, your repayments increase. For first home buyers on a tight budget, a $200 or $300 monthly increase can feel significant. This is where understanding your borrowing capacity before committing to a variable loan becomes important. You need enough buffer in your income to absorb rate movements without stress.

Split Loan Options: Combining Fixed and Variable Rates

A split loan divides your borrowing between a fixed portion and a variable portion. You decide the split, commonly 50/50, though some buyers choose 70/30 or 60/40 depending on their risk tolerance.

As an example, someone borrowing $550,000 might fix $300,000 for three years and leave $250,000 variable. The fixed portion gives them certainty on part of their repayment, while the variable portion lets them make extra repayments into an offset account and access redraw if needed. If rates drop during their fixed term, the variable portion benefits immediately.

Splits work well for new migrants who have irregular income, such as shift workers or those expecting bonuses. The fixed portion covers baseline living costs, and any extra income can be directed to the variable portion without restriction. The downside is that managing two loan accounts can feel more complicated, and not all lenders offer the same flexibility on both sides of the split.

How Your Deposit Size Changes Your Loan Structure Options

If you're applying with a 5% deposit or 10% deposit under the First Home Loan Deposit Scheme, your choice of loan structure may be limited. Some lenders restrict low deposit home loans to variable rates only, or they offer less competitive fixed rates if you're paying Lenders Mortgage Insurance (LMI).

LMI protects the lender if you default, and it's typically required when your deposit is less than 20%. The cost of LMI can add $15,000 to $25,000 to your upfront borrowing, depending on your loan size and deposit. Some lenders allow you to capitalise this cost into the loan, but it means you're paying interest on the insurance premium as well.

If you've received a gift deposit from family, lenders will usually require a signed declaration confirming the money doesn't need to be repaid. This is common for new migrants whose parents overseas want to help with the deposit. The type of loan structure you choose won't change this requirement, but it's worth confirming with your broker before lodging your first home loan application.

Choosing the Right Structure for Your Situation

Your decision should reflect how much certainty you need versus how much flexibility you want. If your income is stable, your budget is tight, and you don't have savings to make extra repayments, a fixed rate gives you predictable costs for a few years. If you're earning well, building savings quickly, or planning to make lump sum payments from tax returns or work bonuses, a variable or split loan makes more sense.

New migrants often underestimate how much their financial situation can change in the first few years of living in Australia. You might secure permanent residency, change jobs, or relocate to another city. A loan structure that locks you in with high exit costs can limit your options when those changes happen. Talk through your visa status, work situation, and savings pattern with someone who understands how these factors affect your home loan options long term.

Call one of our team or book an appointment at a time that works for you. We'll walk through your deposit size, income type, and what you're hoping to achieve with your first home, then match you to a loan structure that fits where you are now and where you're heading.

Frequently Asked Questions