Fixed Rate Loans and Extra Repayments: What to Know

Most fixed rate loans let you pay extra each year, but the amount is capped.

If you're looking at fixed rate home loans as a first home buyer, you need to know how extra repayments work before you lock in. Lenders typically allow between $10,000 and $30,000 in additional repayments per year on a fixed rate loan without penalty. Beyond that limit, you'll be charged a break cost. Variable rate loans don't have this restriction, which is why many buyers split their loan between fixed and variable from the start.

Fixed Rate Loan Limits on Extra Repayments

Fixed rate loans include a cap on how much extra you can pay each year without penalty. Most lenders allow between $10,000 and $20,000 in additional repayments annually. Some lenders offer higher limits, up to $30,000, depending on the loan product. Once you exceed that cap, break costs apply. These costs can run into thousands of dollars if you're paying off a large lump sum or selling early.

Consider a buyer who borrows for a unit in Newcastle's CBD and chooses a three-year fixed rate. They receive a windfall 18 months later and want to reduce the loan by $50,000. The lender allows $20,000 in extra repayments per year. The buyer can put down $20,000 without penalty, but the remaining $30,000 will trigger a break cost. The lender calculates that cost based on the difference between the fixed rate on the original loan and the current wholesale rate. In a falling rate environment, the break cost can be substantial because the lender loses the margin they priced into the fixed term.

Why Variable Rate Loans Suit Buyers Who Want Flexibility

Variable rate loans don't cap extra repayments. You can pay as much or as little as you want, whenever you want, without penalty. If you plan to make irregular lump sum payments, a variable rate loan gives you full flexibility. Variable rates also give you access to features like offset accounts, which reduce the interest you pay without formally making an extra repayment. Fixed rate loans rarely include offset accounts. If they do, the offset usually applies only to the variable portion of a split loan.

Split Loans for First Home Buyers Who Want Both

A split loan divides your borrowing into two portions: one fixed, one variable. You might fix 50% to lock in repayment certainty and leave 50% variable for flexibility. The variable portion lets you make unlimited extra repayments and attach an offset account. The fixed portion protects you if rates rise during the fixed term. The split ratio can be adjusted to suit your priorities. Some buyers fix 70% and leave 30% variable. Others do the opposite.

In our experience, first home buyers in Newcastle who expect windfalls from bonuses, tax returns, or family gifts tend to favour higher variable splits. Those on tight budgets with limited capacity to pay extra often fix a larger portion to lock in certainty. The ratio depends on your income stability and how likely you are to have spare cash over the next few years.

What Happens If You Exceed the Extra Repayment Limit

If you exceed the annual extra repayment cap on a fixed rate loan, the lender calculates a break cost. This cost depends on how much time is left on your fixed term, how much you're overpaying, and the difference between your fixed rate and the lender's current cost of funds. If rates have fallen since you fixed, the break cost will be higher because the lender is losing income they expected to earn. If rates have risen, the break cost may be minimal or even zero.

Break costs are calculated using a formula set out in your loan contract. Lenders are required to provide a payout figure on request, which includes any applicable break cost. You'll receive this figure before you commit to the additional repayment, so you can decide whether to proceed. Some buyers choose to stay within the annual cap and spread larger repayments over multiple years to avoid the penalty.

Should You Fix Your First Home Loan

Fixing makes sense if you value certainty and want to lock in your repayments for a set period. It protects you if rates rise, but it also locks you in if rates fall. For first home buyers who are stretching their budget to enter the market, fixing part or all of the loan can provide breathing room during the first few years of ownership. If your income is stable and you're unlikely to make large extra repayments, a fixed rate loan won't restrict you.

If you're unsure whether you'll want to pay extra or sell within the fixed term, a variable rate loan or a split loan is usually the safer option. Variable loans give you full control. Split loans give you a middle path. Both avoid the risk of break costs while still giving you the option to fix part of your borrowing if you want rate protection.

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