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  • Interest rate changes can affect variable home loan repayments, while fixed-rate loans stay the same during the fixed period and split loans may only change on the variable portion.
  • Small steps can help you stay in control, like reviewing your loan type, revisiting your budget or using tools in the CommBank app to track spending and plan ahead.
  • If things feel tight, support is available. Speaking with a CommBank Home Lending Specialist can help you explore options and find a manageable path forward.

Interest rates move in cycles over time, rising and falling in response to broader economic conditions. When the Reserve Bank of Australia (RBA) changes the cash rate, lenders may adjust their home loan rates in response.

Recently interest rates have increased, and for many Australians this means higher home loan repayments. With the cost of living already top of mind, even a small increase can feel significant. If you have a home loan, you might be wondering what this means for you, how it affects your repayments, and whether there’s anything you should be doing right now.

Whether you already have a home loan, are thinking about refinancing, or are planning your next property move, here’s what these changes could mean and how we can support you.

And if you’re just getting started, understanding how rate changes work can help you plan with greater confidence.

What the RBA rate change means for your repayments

When the cash rate changes, lenders may adjust the interest rates on variable home loans. If your loan has a variable rate, this can mean a higher minimum required repayment.

If you are on a fixed rate, your repayments won’t change during the fixed period. If you are on a split loan, then only the variable portion may be affected.

You can use our Home Loan repayments calculator to estimate how these changes may affect your repayments here.

What can you do right now?

While variable interest rates may fluctuate, there are a few things you can do to help you feel more confident in your home loan:

  • Reviewing your loan type: It could be worth checking whether your loan still suits your long term needs and goals. Depending on your situation, options like adjusting the loan structure or exploring different features to help you save in interest, like an offset account or redraw facility, may be worth exploring.
  • Revisit your budget: Even small adjustments can make a difference. Looking at your regular expenses and upcoming commitments can help you plan for any changes in repayments. Tools like Money Plan, Spend Tracker and Category Budgets, all found within the CommBank App, can help you stay on top of your spending and set clear goals.
  • Make the most of an offset account: If you have an eligible Standard Variable Rate, Simple Home Loan or Digi Home Loan, linking an offset account could help reduce the amount of interest you pay over time, as the money in your Everyday Offset reduces the balance on which interest is charged. This may help you pay off your loan sooner as it means you’ll only be paying interest on the difference.
  • Talk to us about your options: Everyone’s situation is different, and a quick chat with a CommBank Home Loan Specialist or your broker can help you understand what options are available to you and make a plan that feels manageable.

Reviewing your loan structure in a changing rate environment

When interest rates start moving, it's natural to wonder whether your current loan structure is still the right fit. The ideal type of loan for you in any interest rate environment is one that best suits your budget, income and lifestyle goals.

Here’s how the different types work, and what to consider for your needs.

1.      Locking in a fixed rate loan

In a fluctuating rate environment, some borrowers prefer to lock in a fixed rate for a period of one to five years. This means that your interest rates won’t change during this time.

This can make budgeting simpler, especially if you’re managing other rising costs.

However, it is important to be aware that fixed term loans come with some limits, for example, how much extra you can repay off the loan during the fixed rate period.

Also, fixed rate loans are locked into a contract. There can be fees involved if you wish to break the loan for any reason, such as if you refinance or sell your property.

For some, the trade-off is worth it for repayment certainty. For others, flexibility may be more important.

2.      Opting for a variable rate loan

Variable interest rates can go up or down and CommBank will advise of any changes to your variable home loan rate via the CommBank website.

CommBank offers a variety of loan options and depending on the conditions of the loan, you may be able to do things like:

  • Make unlimited extra repayments, to help you pay your home off as quickly as possible.
  • Link to an offset account, depositing your salary and savings into an Everyday Offset Account can help to reduce the amount of interest paid on your home loan and help you pay off your loan sooner.
  • Change your loan or refinance at any time without any break fees or financial penalties.

While a variable rate loan can be more flexible than a fixed rate one, there are potential downsides. If your lender increases rates, your mortgage repayments will increase, too. Consider how your budget could be impacted if your mortgage increased by $100 per month, $500 per month or even more. Planning for these scenarios can provide greater peace of mind even when rates are steady.

3.      Splitting the difference

Alternatively, there is the option of a split loan, where a portion of your home loan is fixed and the remainder is variable. This can be the best of both worlds, offering both some degree of certainty but also the freedom to repay faster or redraw from the variable portion.

Choosing between a fixed, variable or split loan is an important decision and a great opportunity to set yourself up with a structure that supports your financial goals and budgeting preferences. Rather than trying to predict where rates might go, it’s about selecting an option that gives you the right balance of certainty and flexibility for your situation.

You can visit the CommBank website for the latest fixed and variable interest rates or if you are interested in more information you can always contact a CommBank Home Lending Specialist.

If you’re feeling stretched

If repayments are starting to feel difficult to manage, you’re not alone. Many Australians are adjusting to higher costs in many areas of life such as groceries and household bills, and home loan changes can add pressure.

The earlier you reach out, the more options that may be available.

Depending on your situation, we may be able to discuss options such as:

  • Temporary repayment adjustments
  • Changing your repayment frequency
  • Reviewing your loan structure to see if it still suits your needs

Every situation is different. Our team is here to listen and work with you to find a practical solution that helps you move forward with confidence. You can also find more information on financial support here.

You don’t need to have all the answers before getting in touch, a conversation can be a helpful first step.

Common questions about interest rate changes

The RBA cash rate helps set how much it costs banks to borrow money. When this rate goes up or down, banks may change their home loan interest rates to reflect those costs and what’s happening in the wider economy. When this changes, banks review their interest rates to reflect broader funding and economic conditions.

You can find up to date information regarding interest rates on the CommBank website.

That’s what we’re here for. You don’t need to have all the answers — a conversation with a CommBank Home Lending Specialist can help clarify your options.

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This contains information of an educational nature only and is not financial advice. Applications for credit are subject to approval, lending criteria, T&Cs, fees & charges apply. Commonwealth Bank of Australia ABN 48 123 123 124 Australian credit licence 234945.