Is there a catch to variable rate home loans?
Choosing a home loan isn’t just about the rate you see today. It’s about how that rate could change over time and what this could mean for your budget.
Regardless of whether you’re refinancing your loan or a first home buyer, one of the biggest decisions you'll have to make when taking out a loan is whether to choose a variable or fixed-rate loan.
Here’s the simple version upfront: a variable rate loan can go up or down over time, so your repayments can too. That flexibility can work in your favour, but it also means you need to be comfortable with some uncertainty.
What is a variable home loan rate?
A variable rate home loan is a loan where the interest rate can change during the life of your loan. These changes are often influenced by movements in the official cash rate set by the Reserve Bank of Australia (RBA), along with other factors lenders consider.
In practical terms, this means:
- your repayments could increase when rates rise
- your repayments may decrease when rates fall
The “catch” and what you need to be comfortable with
The main trade-off with a variable rate loan is uncertainty.
With a fixed-rate loan, your repayments stay the same for a set period. With a variable rate, your repayments can change as your rate changes.
What this means for you:
- If rates go up, your monthly costs increase
- If rates go down, you may pay less each month
- You need enough buffer in your budget to handle changes
Even a small rate rise could mean paying a few hundred dollars more each month, depending on your loan size. That’s the part that can catch people out if they haven’t planned for it.
The same applies if your repayments are on a weekly or fortnightly schedule.
The possible upside and where variable loans can help
It’s not all downside. Variable loans can offer more flexibility than fixed rate options.
Depending on the loan, you may be able to:
And importantly, if rates fall, you may benefit from lower repayments.
For example, if rates drop over time, you may find you have a bit more breathing room in your monthly budget.
Planning for rate changes
A simple way to reduce risk is to plan for higher repayments from the start.
You can do this by:
- using a home loan repayment calculator
- testing your budget at a rate 2 to 3 per cent higher than today
If that higher amount still feels manageable, you’re less likely to be caught off guard if rates increase.
It’s a simple check, but it can make a big difference later on.
When a variable loan might suit you
A variable rate home loan could be a good fit if:
- you’re comfortable with repayments changing over time
- you want flexibility to make extra repayments
- you can manage some ups and downs in your budget
It may be less suitable if:
- you prefer certainty and fixed repayments
- you’re already stretched and would find increases hard to absorb
If your budget is already tight, it’s worth thinking carefully about how much room you really have.
Don’t forget the comparison rate
When comparing loans, it’s important to look beyond the advertised interest rate.
The comparison rate provides a more realistic view of the total cost of the loan, as it includes certain fees and charges that can be determined upfront.
This helps you compare loans more fairly — not just based on the headline rate.
Keep in mind:
- comparison rates are a guide only
- they don’t include every possible fee
- your actual cost will depend on your loan and how you use it
The bottom line
A variable rate loan isn’t about finding a “catch”. It’s about understanding the trade-off.
You’re choosing:
- flexibility and potential savings when rates fall
- in exchange for less certainty if rates rise
A simple way to think about it is: Would I still be comfortable if my repayments went up?
If the answer is yes, a variable rate loan could be worth considering.
We’re here to help
If you’d like to understand how a variable rate loan could work for your situation, you can:
- speak to one of our lending specialists
- talk to an accredited Pepper Money broker
- use our repayment calculator to test different scenarios
This can help you make a more confident decision based on your own budget.
Contributor | Anthony Moir, Treasurer
Anthony joined Pepper Money in February 2021 as Treasurer. With over 25 years of experience in treasury and debt capital markets, he has worked with a diverse range of bank and non-bank lenders.
Published by Pepper Money. Read our Editorial Policy to learn how we create and review content.
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