Fixed Rate Loans: The Pros and Cons for First Home Buyers

A fixed interest rate means your repayments stay the same for an agreed period, usually between one and five years.

That certainty can feel reassuring when you're managing your first mortgage, particularly if you've recently settled in Australia on a permanent visa and are still building a financial cushion. But fixed rates also come with trade-offs that can limit your options down the track.

How a Fixed Rate Protects Your Budget

Your repayment amount is locked in for the fixed term, so a rate rise during that period won't affect what you pay each month. That protection matters if your income is predictable but there's not much room to absorb a jump in repayments.

Consider someone who recently arrived on a permanent visa and secured work in a mid-level role. Their income is stable, but they're also managing living costs, building emergency savings, and adjusting to a new financial system. A fixed rate gives them breathing room to settle in without worrying about monthly repayment changes. If variable rates rise by 0.5% during the fixed period, they're insulated from that increase.

The downside appears when rates fall. If variable rates drop, your repayment stays where it is. You don't benefit from the reduction unless you refinance, and that usually means paying break costs.

What You Give Up When You Lock In

Most fixed rate loans don't include an offset account, and if they do allow extra repayments, there's usually a cap of around $10,000 to $20,000 per year.

An offset account is a transaction account linked to your loan. The balance in that account reduces the amount of interest you're charged each day. If you have $15,000 sitting in an offset, you're only charged interest on the loan balance minus that $15,000. It's a powerful tool for reducing interest over time without locking money away.

First home buyers often underestimate how useful an offset becomes once they've settled in and start accumulating savings. If you're working full-time and living within your means, you might build a buffer of $20,000 or $30,000 over a couple of years. That money can sit in an offset and reduce your interest while still being available if you need it. A fixed loan doesn't usually offer that option.

Redraw is different. It allows you to access extra repayments you've already made, but some lenders restrict how often you can redraw or charge fees. It's not as flexible as an offset.

The Split Rate Structure That Adds Flexibility

You don't have to choose between fixed and variable. Most lenders allow you to split your loan, fixing part and leaving part variable.

A common approach is to fix 50% to 70% of the loan and leave the rest on a variable rate with an offset. The fixed portion locks in repayment certainty on the bulk of your debt. The variable portion gives you access to features like unlimited extra repayments and an offset account.

If you're buying at the current median and putting down a 10% deposit using the Australian Government 5% Deposit Scheme, you might fix $300,000 and leave $150,000 variable. Your fixed repayments won't change, and any savings you build can sit in the offset attached to the variable portion, reducing interest on that $150,000.

The structure also softens the impact when your fixed term ends. Instead of your entire loan reverting to the current variable rate at once, only the fixed portion does. You're adjusting to a change on half your debt, not all of it.

Break Costs and What Triggers Them

If you exit a fixed rate loan early, you'll likely pay break costs. That includes selling the property, refinancing, or paying down a large lump sum beyond the allowed limit.

Break costs are calculated based on the difference between your fixed rate and the lender's current wholesale funding cost for the remaining term. If rates have dropped since you fixed, the lender has lost income they would have earned from you over the remainder of the fixed period. They charge you to recover that loss.

The formula isn't transparent, and break costs can range from a few hundred dollars to tens of thousands depending on how much rates have moved, how much you're paying out, and how long is left on the fixed term.

If you think there's any chance you'll sell, refinance, or receive a windfall in the next few years, a fixed rate introduces risk you need to factor in. We regularly see people on permanent visas who fix for three years, then get offered a role interstate or decide to upgrade as their family grows. If rates have fallen during that fixed period, the break cost can be significant.

When a Fixed Rate Makes Sense

A fixed rate suits buyers who value budget certainty over flexibility and don't expect major changes in the short term.

If you're planning to stay in the property for the full fixed term, you're not expecting a lump sum like an inheritance or redundancy payout, and you're comfortable without an offset, then fixing can work well. It removes one variable from your financial planning and lets you focus on other priorities.

Buyers on a permanent visa who are still adjusting to Australian cost of living or who have dependants and tight budgets often appreciate that stability. Knowing exactly what your repayment will be for the next three years makes household budgeting more predictable.

But if your situation is likely to change, or if you're the kind of person who wants the option to pay down debt faster when you have extra cash, a variable or split structure is usually the right fit.

Comparing Rates Across Lender Panels

Fixed rates vary widely between lenders, and the lowest advertised rate isn't always the one you'll be offered.

Your rate depends on your deposit size, the property type, and whether you're using a government scheme like the 5% Deposit Scheme. A lender might advertise a fixed rate of 5.99% but apply a loading of 0.30% if you're borrowing above 80% of the property value, even with a government guarantee in place.

Some lenders also apply a higher rate to buyers on temporary or permanent visas, even though permanent visa holders have the same borrowing rights as citizens. That's less common now than it was a few years ago, but it still happens with certain lenders.

A broker has access to rate cards across multiple lenders and can identify which ones offer the most competitive fixed rates for your specific scenario. That comparison is harder to do on your own because the rates you see online don't always reflect the loadings that apply once your home loan application is assessed.

What Happens When the Fixed Term Ends

At the end of your fixed period, your loan automatically reverts to the lender's standard variable rate unless you take action.

That revert rate is usually higher than the variable rate offered to new customers. It's not unusual to see a gap of 0.50% to 1.00% between the revert rate and a discounted variable rate you could access by refinancing or negotiating with your lender.

Most lenders will contact you 30 to 60 days before your fixed term ends and offer you options to refix or move to a different product. That's the time to compare what they're offering against what you could get elsewhere. If you've been making repayments on time and your financial position is stable, refinancing to a lower rate with another lender is often straightforward.

If you do nothing, you'll end up on the revert rate, and that can add hundreds of dollars a month to your repayment depending on your loan size.

Call one of our team or book an appointment at a time that works for you. We'll walk you through the current fixed and variable rates available to you, explain how a split structure could fit your situation, and make sure you're not paying more than you need to once your fixed term ends.

Frequently Asked Questions