Guide · Loan comparison
Fixed or variable? Compare the trade-offs you will live with
The useful choice is not a forecast of the next rate move. It is a fit between certainty, flexibility, features and your likely plans.

A fixed rate generally holds the loan rate for an agreed period. A variable rate can change under the loan terms. Neither is automatically cheaper: the outcome depends on future pricing, fees, features, how you use the loan and whether your plans change.
Compare the complete product and read its terms. Product rules vary between lenders, including extra-repayment limits, redraw, offset eligibility, break costs and what happens when a fixed period ends.
What a fixed rate can provide—and restrict
A fixed period can make scheduled repayments more predictable during that period, which some borrowers value for budgeting. The rate usually does not fall if variable rates fall during the same period.
Ending or changing a fixed loan early may trigger a break cost, and extra repayments or redraw can be restricted. The amount and even whether a break cost applies depend on the contract and circumstances at the time.
- Repayment certainty for the agreed fixed period
- Potential break costs on early repayment, sale or refinance
- Product-specific limits on extra repayments or redraw
- A revert rate or new choice when the fixed period ends
What a variable rate can provide—and expose
A variable loan may offer more flexibility to make additional repayments, refinance or use offset and redraw, depending on the product. Its rate and required repayments can rise or fall under the loan terms.
A borrower needs enough budget resilience for increases. Feature-rich variable loans may carry a different rate or fee from simpler products, so value the features you will actually use.
A split loan combines, rather than removes, trade-offs
Some borrowers divide lending into fixed and variable portions. This can create partial repayment certainty while retaining some variable flexibility. It also means managing two portions with separate rates and conditions.
Choose the split deliberately. Consider where additional repayments or an offset would apply and what happens if you sell or refinance before the fixed portion ends.
Use practical questions instead of rate predictions
No one can reliably promise the future path of home-loan rates. Focus on your capacity and plans: how much repayment movement can the budget absorb, how likely are you to sell or refinance, and how much do you expect to hold in an offset or pay ahead?
- Would a repayment increase materially strain the household budget?
- Is a move, sale, refinance or large repayment plausible during the fixed period?
- Will an offset or frequent extra repayments be used in practice?
- What rate and conditions apply after the fixed period?
Compare documents on the same assumptions
Use the same balance, term and repayment type when comparing initial repayments and total-cost scenarios. Include application and ongoing fees, feature value and any package conditions. A comparison rate can help with standardised cost comparison but does not capture every feature or personal usage pattern.
Read the credit contract and product terms before accepting. Ask for explanations of unfamiliar conditions.
Frequently asked questions
Questions, answered clearly
General answers are a starting point. Your lending options depend on your circumstances.
Is a fixed home loan always safer?
It can provide repayment certainty for the fixed period, but it introduces constraints and potential break costs if plans change. Safety depends on your circumstances, contract and ability to manage the relevant risks.
Can a fixed loan have an offset account?
Some products may offer an offset or partial-offset arrangement, while others do not. Check the specific product terms, linked-account requirements, fees and how interest is calculated.
What happens when the fixed period ends?
The loan generally moves to a variable rate set under the contract unless another arrangement is made. Review the lender's notice, resulting repayments and available options before the end date.
Can I fix only part of my home loan?
A split structure may be available, subject to lender and product rules. Each portion has its own rate and conditions. Consider allocation of repayments, offset funds and the effect of an early change.
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