Loan Structure Decisions
Fixed vs variable home loan rates: how they work and how to choose
Choosing between fixed and variable rates affects your repayments, flexibility, and long-term loan cost. Understanding the trade-offs is key to selecting the right structure.
One of the most important decisions when setting up a home loan is whether to choose a fixed rate, a variable rate, or a combination of both. Each option affects how your loan behaves over time.
There is no universally “better” option. The right choice depends on your financial situation, risk tolerance, and how you plan to manage your loan.
What is a Fixed Rate Home Loan?
A fixed rate loan locks in your interest rate for a set period, typically between one and five years.
This means your repayments remain stable during that period, regardless of changes in market interest rates.
Key benefit
Fixed rates provide certainty. Your repayments do not change during the fixed period.
Limitations of fixed rates
Fixed loans often restrict extra repayments, may not allow full offset accounts, and can incur break costs if you refinance or sell early.
What is a Variable Rate Home Loan?
A variable rate loan can move up or down over time, usually in response to changes in the cash rate and lender pricing decisions.
This means your repayments may increase or decrease over the life of the loan.
Key benefit
Variable loans offer flexibility, including extra repayments, redraw, and full offset account access.
Fixed vs Variable: Key Differences
| Fixed Rate | Variable Rate | |
|---|---|---|
| Repayment stability | Stable for fixed period | Can change over time |
| Flexibility | Limited | High |
| Extra repayments | Capped | Usually unlimited |
| Offset account | Often limited or unavailable | Typically available |
| Risk | Protected from rate rises | Exposed to rate changes |
When Fixed Rates May Be Suitable
Fixed rates may suit borrowers who prioritise repayment certainty or are concerned about rising interest rates.
When Variable Rates May Be Suitable
Variable rates may suit borrowers who want flexibility, plan to make extra repayments, or expect rates to fall over time.
Split Loans: Combining Both
A split loan divides your mortgage into fixed and variable portions, allowing you to balance certainty and flexibility.
This approach is commonly used by borrowers who want some protection from rate increases while retaining access to offset and extra repayments.
Choosing the right structure depends on how you plan to use your loan.
Repayment behaviour, cashflow, and long-term strategy all play a role in determining the most suitable option.