Fixed Rate Loans and Extra Repayments: The Pros and Cons

What happens when you want to pay more on a fixed rate home loan and how to decide if locking in makes sense for your situation.

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Can You Make Extra Repayments on a Fixed Rate Home Loan?

Most fixed rate home loans let you make extra repayments, but there's usually a cap. That limit sits around $10,000 to $30,000 per year depending on the lender. Go over that amount and you'll hit break costs, which can run into the thousands if rates have dropped since you locked in.

We regularly see buyers in Bega lock in a portion of their loan when rates look like they're climbing, then realise six months later they've got a work bonus or tax return they want to throw at the mortgage. If you're inside the annual limit, no problem. If you're outside it, the lender will calculate what they've lost in interest and charge you for it.

Consider a buyer who fixed $400,000 at 5.8% for three years. Twelve months in, they inherit $50,000 and want to pay down the loan. The lender allows $20,000 in extra repayments without penalty. The remaining $30,000 triggers a break cost calculation. If variable rates have fallen to 5.2% in that time, the lender has lost income on the money you're paying off early. The break cost might be $4,000 to $6,000 depending on how much time is left on the fixed term. They keep the $20,000, cop the fee on the rest, or wait until the fixed period ends.

How Break Costs Are Calculated

Break costs depend on two things: how much you're paying off above the annual limit and the gap between your fixed rate and the current wholesale rate the lender uses to price loans. If rates have climbed since you fixed, there's no cost because the lender isn't losing income. If rates have dropped, the cost reflects what the lender would have earned over the remaining fixed period.

Lenders use different formulas, but the principle is the same. You're compensating them for the lost margin. Some lenders publish break cost calculators on their websites. Others require you to call and request a payout figure. Either way, you won't know the exact cost until you ask, and it changes daily based on rate movements.

If you're thinking about making a large lump sum payment on a fixed rate home loan, get a break cost estimate first. The figure might change your mind, or it might confirm that paying the fee and clearing the debt is still worth it.

The Case for Splitting Your Loan Between Fixed and Variable

A split loan gives you a fixed portion for stability and a variable portion for flexibility. You might fix 60% of the loan and leave 40% variable, or any other combination that suits your household. Extra repayments go onto the variable portion without penalty, and you still have the certainty of a fixed rate on the bulk of the loan.

In our experience, buyers around the Bega Valley who expect irregular income - whether that's farm income, seasonal work, or contract payments - tend to favour a split. You're not guessing whether you'll have extra cash to put down. You're just directing it to the variable portion when it arrives.

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As an example, a borrower with a $500,000 loan might fix $300,000 at 5.6% for two years and leave $200,000 on a variable rate at 6.1%. They make standard repayments on both portions, but any bonus income or lump sums go straight onto the variable portion. Over two years, they pay an extra $40,000 into the variable split without triggering a single break cost. The fixed portion holds the rate steady while the variable portion shrinks faster.

When a Fully Variable Loan Makes More Sense

If you expect to make large or frequent extra repayments, a variable rate loan is usually the better call. You can pay as much as you like, as often as you like, without worrying about annual caps or break costs. Most variable loans come with an offset account, which works like a transaction account linked to your mortgage. Every dollar in the offset reduces the balance on which interest is calculated.

For borrowers in Bega who run a business or manage seasonal cash flow, an offset account means you can park income in the account between bills and save interest without locking the money away. You're not making an extra repayment in the formal sense. You're just keeping cash in an account that reduces your interest daily.

A variable loan also means you can refinance without break costs if you find another lender offering a lower rate or a product that suits you in a different way. That flexibility matters if your circumstances change and you need to restructure.

What Happens at the End of a Fixed Rate Period

When your fixed term ends, the loan automatically rolls onto the lender's variable rate unless you do something about it. That variable rate is often higher than the rate you could get by refinancing or renegotiating. It's worth checking in with a broker three to four months before your fixed rate expiry to compare what's available.

Some borrowers refix at that point if they want to lock in again. Others switch to variable or move to another lender entirely. The end of a fixed term is also the moment when you can pay off as much of the loan as you like without penalty, so if you've been holding onto a lump sum, that's the time to use it.

Does Fixing a Rate Mean You Pay More Interest Over Time?

Not necessarily. It depends on what happens to variable rates while you're locked in. If variable rates climb above your fixed rate, you've saved money. If they fall below it, you're paying more than you would have on a variable loan. You're trading certainty for the possibility of a lower rate.

The other factor is whether you're using the fixed period to manage your budget or to avoid the risk of rate rises you can't afford. If a rate rise of 1% would put pressure on your household, fixing part or all of the loan can make sense even if you end up paying a bit more over the term.

Call one of our team or book an appointment at a time that works for you. We'll walk through your current loan, your repayment goals, and whether a fixed, variable, or split structure fits what you're trying to do. No sales talk, just a practical look at your options and what they'll cost you.

Frequently Asked Questions

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

Yes, most fixed rate home loans allow extra repayments up to an annual limit, usually between $10,000 and $30,000. If you exceed that limit, the lender will charge break costs based on the difference between your fixed rate and current rates.

What are break costs on a fixed rate loan?

Break costs are fees charged when you pay off more than the allowed extra repayment amount during a fixed term. The cost depends on how much you're repaying above the limit and the gap between your fixed rate and the lender's current wholesale rate.

Should I fix part of my home loan and leave part variable?

A split loan can work well if you want rate certainty on part of your borrowing but also want the flexibility to make extra repayments without penalty. You direct lump sums to the variable portion while the fixed portion holds your rate steady.

What happens when my fixed rate period ends?

Your loan rolls onto the lender's variable rate automatically unless you refinance or renegotiate. It's worth comparing rates three to four months before your fixed term ends, as the revert rate is often higher than what you could secure elsewhere.

Is a variable rate loan better if I want to make extra repayments?

If you expect to make large or frequent extra repayments, a variable rate loan usually offers more flexibility. You can pay as much as you like without break costs, and most variable loans include an offset account to reduce interest on your balance.


Ready to get started?

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