Understanding a 8.65% home loan interest rate in Australia

If you’re exploring home loan options, you might be wondering what your repayments would look like at a 8.65% interest rate. Whether you’re a first home buyer, upgrading to your next property, refinancing an existing mortgage, or purchasing an investment property, understanding how repayments work is a crucial step. Please note: the figures on this page are for illustrative purposes only. Actual interest rates, fees, and repayment amounts will vary between lenders. Always speak with a qualified mortgage broker before making any financial decisions.

Example 1: 8.65% interest rate on a $500,000 home loan

What are the monthly repayments on a $500,000 home loan at an interest rate of 8.65%, assuming a 30-year term with principal and interest repayments? The monthly repayment can be calculated using the standard amortization formula, resulting in approximately $4,300. For weekly repayments, this translates to about $992. Over the 30-year term, the total interest paid would amount to approximately $1,043,000, leading to a total repayment amount of around $1,543,000. This illustrates the significant cost of borrowing over an extended period, highlighting the importance of considering interest rates when taking out a home loan.

Example 2: 8.65% interest rate on a $700,000 home loan

What are the monthly repayments on a $700,000 home loan at 8.65% interest rate, assuming a 30-year term with principal and interest repayments? The monthly repayment can be calculated using the standard amortization formula, resulting in approximately $5,400. For weekly repayments, this translates to about $1,246. Over the 30-year term, the total interest paid would amount to approximately $1,200,000, leading to a total repayment amount of around $1,900,000. This illustrates the significant cost of borrowing over an extended period, emphasizing the importance of understanding loan terms and interest rates when considering a mortgage.

Example 3: 8.65% interest rate on a $1,000,000 home loan

What are the monthly repayments on a $1,000,000 home loan at 8.65% interest rate, assuming a 30-year term with principal and interest repayments? The monthly repayment can be calculated using the standard amortization formula, resulting in approximately $7,773. The weekly repayment would be around $1,795. Over the 30-year term, the total interest paid would amount to approximately $1,792,000, leading to a total repayment amount of about $2,792,000. This illustrates the significant cost of borrowing over an extended period, highlighting the importance of considering interest rates when taking out a loan.


What happens if home loan interest rates rise or fall from 8.65%?

How would my home loan repayment change if interest rates rose by 2% or dropped by 2%? If the interest rate increased to 10.65%, the monthly repayment would rise to approximately $6,700, resulting in a total interest payment of about $1,600,000 and a total repayment amount of around $2,300,000 over the 30-year term. Conversely, if the interest rate decreased to 6.65%, the monthly repayment would drop to approximately $4,500, leading to total interest paid of about $800,000 and a total repayment amount of around $1,500,000. This demonstrates that a 2% change in interest rates significantly impacts both monthly repayments and the overall cost of the loan, highlighting the importance of interest rates in mortgage planning.

Is 8.65% a good interest rate for a home loan?

Is 8.65% a good interest rate in Australia? No, 8.65% is considered high compared to historical averages. Research shows that from 1970 to 2025, the average mortgage rate has been around 7-8%, with rates since 2000 closer to 5-6% and dropping to about 4% since 2015. Currently, in 2025, the average rate is approximately 6%, making 8.65% significantly above the norm and potentially burdensome for borrowers. This higher rate could lead to increased monthly payments and overall loan costs, which may not be ideal for those looking to secure a mortgage.

What Next?

Finding the right loan isn’t just about securing the lowest possible rate—it’s also about understanding lender fees, features, and how changes in the cash rate could affect your repayments over time. If you’d like tailored advice on whether a 8.65% interest rate loan is right for your situation, we recommend speaking to a mortgage broker. A broker can compare options across lenders, explain the real costs of your loan, and help you make a confident, informed decision about your next property move.