Fixed or variable is the most-asked structural question in Australian lending, and the least honest answers come from anyone claiming to know where rates are going. The better framing: which structure fits your cash flow, your plans and your appetite for certainty?
What fixing really buys you
A fixed rate buys certainty: your repayment can’t move for the fixed term (usually 1–5 years). That’s valuable if your budget is tight or you sleep better knowing the number. What it costs you: flexibility. Fixed loans typically cap extra repayments, rarely have full offset accounts, and charge break costs if you sell, refinance or repay early.
What variable buys you
A variable rate moves with the market, down as well as up. In exchange you get the features that save real money: unlimited extra repayments, full offset accounts, redraw, and the freedom to refinance whenever a better deal appears. Most Australian borrowers hold variable loans most of the time.
The split loan: not either/or
You can fix part of the loan and leave the rest variable, certainty on the bulk of the repayment, an offset and extra repayments on the variable slice. Splits are underused mainly because banks don’t bother explaining them.
Questions that decide it
- Could you still pay comfortably if rates rose 1%? If not, certainty has real value.
- Do you hold meaningful savings? An offset only works on the variable portion.
- Any chance you’ll sell or refinance within the fixed term? Break costs can be brutal.
- Are fixed rates currently priced above or below variable? The market’s own forecast is embedded in that gap.
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The right answer is personal and changes with your life stage. Nathan models fixed, variable and split scenarios against your actual budget, then keeps watching the market for you after settlement.