Top tips to use fixed rate loans and extra repayments

Most fixed rate home loans let you make extra repayments up to a set limit each year without penalty.

That limit is typically somewhere between $10,000 and $30,000, depending on your lender. Go beyond it, and you may face break costs that wipe out any interest saving you were aiming for. The detail sits in your loan contract, not in the general product description, and it changes between lenders.

How much can you actually pay extra on a fixed rate loan?

Each lender sets an annual cap on additional repayments. Some allow $10,000 per calendar year, others allow $20,000 or $30,000, and a few permit unlimited extra repayments on certain fixed products. The cap usually resets each calendar year, not from the date you settled your loan.

Consider a buyer in Wantirna who fixed their rate for three years at the start of the calendar year. They receive a work bonus of $25,000 in December and want to put the full amount toward the mortgage. If their lender caps extra repayments at $20,000 per year, they can pay $20,000 in December and hold the remaining $5,000 until January, when the new year's allowance opens. Paying the full $25,000 in one go would likely trigger a break cost calculation on the $5,000 excess, even if rates have not moved.

Some lenders describe the cap as a percentage of the original loan balance rather than a fixed dollar amount. A 10% annual allowance on a $600,000 loan would permit $60,000 in extra repayments each year. If you are comparing home loan options as a first home buyer in Wantirna, ask your broker to confirm the extra repayment allowance in dollar terms for the specific loan amount you are applying for, not just the percentage listed in the product guide.

What happens when you go over the limit?

Break costs apply when your extra repayment exceeds the annual cap. The calculation compares the interest the lender expected to earn over the remaining fixed period with the interest they can now earn by re-lending the money you have paid back early. If rates have dropped since you fixed, the lender cannot replace your loan at the same rate, and they charge you the difference.

In our experience, buyers assume break costs only apply when they refinance or sell. They do not realise the same calculation can be triggered by a single overpayment of even a few thousand dollars.

A buyer who pays $15,000 over their $20,000 annual limit on a three-year fixed loan with two years remaining could face a break cost in the range of several hundred to several thousand dollars, depending on how far rates have fallen. The lender typically invoices the cost within a few weeks of the excess payment being made. Some lenders deduct it directly from your loan balance or offset account.

Should you fix part of your loan to keep access to offset and redraw?

Splitting your loan between fixed and variable rates lets you lock in certainty on part of the debt while keeping full flexibility on the rest. The variable portion can be linked to an offset account, and you can make unlimited extra repayments without penalty.

Wantirna buyers often split their loan 50/50 or 60/40 in favour of the fixed portion, depending on how much of a rate rise buffer they want versus how much cash flow flexibility they expect to need. If you are likely to receive irregular income such as bonuses, commissions, or family gifts, keeping a larger variable portion gives you somewhere to park that money without hitting a cap.

A split structure also means you are not locked into a single decision for three or five years. When your fixed rate expires, you can choose to refix that portion, move it to variable, or adjust the split based on what rates and your circumstances look like at the time.

One detail that catches people out is that offset accounts typically only work against the variable portion of a split loan. If you fix $400,000 and leave $200,000 variable, your offset balance only reduces interest on the $200,000. Some buyers assume the offset applies to the whole loan and are surprised when their interest saving is lower than expected.

Does paying extra actually make a difference if you are fixed?

Extra repayments reduce your principal, which lowers the total interest you pay over the life of the loan. On a fixed rate, the interest rate does not change, but the balance does, so every dollar you pay above the minimum reduces the amount of interest calculated on the remaining balance once the fixed period ends.

If you make $15,000 in extra repayments each year within your cap during a three-year fixed term, you will have paid down $45,000 more than the minimum by the time the fixed period expires. When the loan reverts to variable or you refix, that lower balance means lower repayments or a shorter loan term, depending on how you restructure.

The value of paying extra depends on what else you could do with the money. If you are carrying credit card debt or a car loan at a higher rate, clearing that first usually makes more sense. If you have no other debt and a comfortable emergency fund, paying down the mortgage within your annual cap is a reliable way to reduce long-term interest without taking on any additional risk.

For first home buyers in Wantirna using schemes such as the Australian Government 5% Deposit Scheme, paying extra during the fixed period can also help you reach 20% equity faster, which may open up access to lower rates or the ability to refinance without needing to requalify under the scheme.

Can you access money you have paid extra on a fixed loan?

Some fixed loans offer a redraw facility that lets you withdraw extra repayments you have already made, up to the amount you have paid above the minimum. Other lenders do not allow any redraw on fixed loans, which means once you pay extra, that money is locked in until the fixed term ends or you refinance.

If your lender does offer redraw on a fixed loan, they may limit how often you can access it or charge a fee each time you withdraw. A few lenders allow one free redraw per year, then charge between $50 and $300 for each additional redraw. If you think you might need access to the extra repayments you make, confirm the redraw terms in writing before you settle, or structure part of your loan as variable with an offset account instead.

Redraw is not the same as an offset account. An offset account sits separately from your loan, and the balance in the account reduces the interest charged on your loan without actually paying down the principal. You can withdraw from an offset at any time without fees or restrictions. Redraw involves pulling money back out of the loan itself, which some lenders treat as a new transaction subject to approval and fees.

Call one of our team or book an appointment at a time that works for you. We will run through the fixed rate products available to you, confirm the exact extra repayment caps and redraw terms for each lender, and help you structure a loan that fits the way you actually manage money, not just the way a product disclosure statement says you should.

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