Fixed rate home loans give you certainty over your repayments for a set period. They also come with restrictions on extra repayments that can cost you thousands if you get it wrong.
Most lenders allow between $10,000 and $30,000 in additional repayments per year on a fixed rate loan without penalty. Go beyond that limit and you will be charged break costs, which are calculated based on the lender's cost of breaking the fixed rate contract early. For a self-employed borrower in Sydney who has worked hard to build a deposit and wants to pay down debt faster, that limit matters more than you might think.
Assuming All Fixed Rates Allow the Same Extra Repayment Limit
Lenders set their own caps on extra repayments during a fixed rate period. One lender might allow $10,000 per year, another $20,000, and some allow $30,000 or more without penalty. A few lenders, particularly smaller non-bank lenders, allow no extra repayments at all on fixed rate products.
Consider a self-employed buyer who secures a property in Parramatta and fixes their rate for three years. They plan to put irregular income from their business directly onto the loan whenever cash flow allows. If their lender caps extra repayments at $10,000 per year and they pay $25,000 in the first year, they will face break costs on the $15,000 above the threshold. Those break costs are typically calculated as the economic loss to the lender, which can run into thousands of dollars depending on the difference between the fixed rate and current wholesale rates.
When you are comparing home loan options, ask your broker to confirm the exact extra repayment limit on each fixed rate product before you commit. It should be in the loan disclosure documents, but not all lenders make it obvious.
Locking in a Full Fixed Rate When You Want to Make Large Extra Repayments
If you expect to make substantial additional repayments over the next few years, fixing your entire loan balance can work against you. A split loan structure, where part of your loan is fixed and part is variable, gives you the certainty of a fixed rate on the majority of your debt while leaving the variable portion open for unlimited extra repayments.
In our experience working with self-employed buyers across Sydney, irregular income is common. A tradie might have a strong quarter and want to throw $40,000 at the loan, or a consultant might receive a large project payment and prefer to reduce debt rather than leave the money sitting in a transaction account. On a variable loan or the variable portion of a split, there is no penalty for doing that. On a fully fixed loan, you will hit the cap quickly.
A typical split might be 70% fixed and 30% variable. That structure lets you lock in a rate on the bulk of your borrowing while keeping flexibility on the rest. The variable portion also gives you access to features like an offset account, which can be particularly useful if your business income fluctuates and you want to keep cash accessible while still reducing interest.
Confusing Redraw with Offset on a Fixed Rate Loan
Redraw and offset are not the same, and the distinction becomes important on a fixed loan. An offset account is a separate transaction account linked to your loan. The balance in that account offsets the loan balance when calculating interest, but the money remains accessible at any time. Redraw, on the other hand, refers to withdrawing extra repayments you have already made into the loan.
Most fixed rate loans do not offer an offset account at all. Some allow redraw, but with conditions. You might be able to redraw funds you have contributed as extra repayments, but only up to the amount you are allowed to contribute in the first place. If your lender allows $20,000 in extra repayments per year and you have contributed $15,000, you can typically redraw that $15,000. But if you have exceeded your annual cap, redraws may be restricted or unavailable until the fixed period ends.
For a self-employed buyer, this can create a cash flow problem. If you put a lump sum onto your fixed loan and then need that money back for business expenses, equipment, or a slow trading period, redraw restrictions can leave you stuck. A variable loan or the variable portion of a split loan usually offers both unlimited extra repayments and full redraw or offset access, which is why flexibility matters when your income is not salaried.
Paying Break Costs Without Understanding How They Are Calculated
Break costs are not a flat fee. They are calculated based on the economic loss to the lender when you break a fixed rate contract early, either by refinancing, selling the property, or making extra repayments above the allowed limit. The calculation compares the interest rate you are locked into with the current wholesale rate the lender can earn if they reinvest the funds. If rates have fallen since you fixed, the break cost can be substantial. If rates have risen, the break cost may be zero or very low.
As an example, if you fixed a loan at 6.5% for three years and rates have since dropped to 5.5%, the lender is losing 1% per year on the remaining fixed term. On a $600,000 loan with two years left on the fixed period, that difference could translate to break costs in the range of $10,000 to $15,000, depending on the lender's formula. If you exceed your extra repayment cap by $20,000, you will be charged break costs on that $20,000, not the full loan balance, but it is still calculated using the same rate differential.
When you are preparing your first home loan application, ask your broker to walk you through the break cost clause in the loan contract. Some lenders publish their break cost formula, others do not. If you are self-employed and expect your income to be uneven, understanding this calculation will help you decide whether a fixed rate is the right structure in the first place.
Choosing a Fixed Rate Without Reviewing Your Cash Flow First
A fixed rate suits buyers who want repayment certainty and do not plan to make large extra repayments. It does not suit buyers who expect to have surplus cash flow and want to reduce debt faster. For self-employed borrowers, cash flow can be difficult to predict, which is why starting with a cash flow review before choosing your loan structure is essential.
If your business generates uneven income and you want the option to pay down your loan aggressively when cash flow allows, a variable loan or a split structure will serve you better than a full fixed rate. If your income is steady and you prefer to know exactly what your repayments will be for the next few years, fixing makes sense. But if you are somewhere in the middle, the split structure gives you both.
When we work with self-employed buyers in Sydney, we look at the last two years of business income, upcoming contracts or projects, and whether the buyer expects income to increase or decrease over the next few years. That context shapes the loan structure. A buyer in their first year of business might benefit from a full variable loan because they expect income to grow and want flexibility. A buyer with established income who has already saved a strong deposit might prefer the certainty of a fixed rate and accept the repayment cap.
Call one of our team or book an appointment at a time that works for you. We will review your cash flow, explain the extra repayment limits on the fixed rate products available to you, and structure a loan that fits how you actually operate your business.
Frequently Asked Questions
How much can I pay extra on a fixed rate home loan without penalty?
Most lenders allow between $10,000 and $30,000 in extra repayments per year on a fixed rate loan without break costs. The exact limit depends on the lender and the product you choose.
What happens if I exceed the extra repayment limit on a fixed rate loan?
You will be charged break costs, which are calculated based on the difference between your fixed rate and current wholesale rates. The cost can run into thousands of dollars depending on the amount over the limit and the remaining fixed term.
Can I access an offset account on a fixed rate home loan?
Most fixed rate loans do not offer an offset account. Some allow redraw of extra repayments you have already made, but access may be restricted if you have exceeded your annual repayment cap.
Should I fix my entire home loan if I am self-employed?
If your income is irregular and you expect to make large extra repayments, a split loan structure is usually more suitable. This lets you fix part of your loan for certainty while keeping a variable portion open for unlimited extra repayments.
How are break costs calculated on a fixed rate loan?
Break costs are based on the economic loss to the lender when you break the contract early. They are calculated using the difference between your fixed rate and the current wholesale rate, applied to the remaining fixed term.