How do interest rates affect my home loan?

For instance, if you take out a $400,000 loan on a 6.5% interest rate over 25 years, you will pay more than $400,000 in interest. So it’s worth considering the interest rate of your home loan. If you want to know the amount that goes towards your interest verses principal, you can use our home loan calculator to see the difference.

Interest rates go up and down depending on factors including the cash rate set by the Reserve Bank of Australia (RBA) and your lender's cost of funds.

When it comes to changes to the interest rate, most lenders consider the cash rate along with their cost of funds. 

There are several features and types of interest rates homeowners can choose from, including:

Fixed rate – This allows you to have a fixed interest rate on your loan for a certain period of time. This means your repayments will stay exactly the same whether the interest rate of your lender goes up or down. The advantage of a fixed rate is that you won’t get affected by increased rates, and you know exactly how much you need to pay each month.

Variable rate – This is where your interest rate can go up and down. A variable rate loan gives you options not available to people with fixed rate loans. These include the ability to make extra repayments or add a lump sum to your home loan. However, you are exposed to the risk of increasing interest rates.

Split loans – You have the features of a variable rate and a fixed rate when you split your home loan. Meaning, one portion of your loan is fixed while the other is variable.

Knowing the advantages and disadvantages of the types of home loans is essential when comparing interest rates among various lenders. Apart from the mortgage types, you should also consider the other features available such as making extra repayments, a redraw offset facility account, or even an interest-only option which may help achieve your financial goals.

Recommended reading

Choosing the best variable rate home loan

Whether you are a home buyer or a property investor, one important decision you will have to make is how to configure the interest rate on your loan.


Interest-only loans: who it's for

Here at we provide the fantastic benefit of having an interest-only loan with a redraw offset facility.


Benefits of a split home loan

Splitting your home loan lets you reap the benefits of a variable rate where you can make additional repayments and get access to your offset redraw facility.