What Happens If I Pay Off My Fixed Rate Mortgage Early? (2026)
Paying out a fixed rate home loan before the fixed period ends can trigger significant break costs — sometimes called break fees or economic costs. But not always. Here is how break costs work, when they apply, and when they don’t.
What Is a Break Cost?
A break cost (also called an economic cost or early termination fee) is a penalty charged by lenders when you exit a fixed rate loan before the end of the fixed period. It compensates the lender for the financial loss they incur because interest rates have changed since you fixed.
Break costs apply when you:
- Sell your property and repay the loan in full
- Refinance to another lender or product before the fixed period ends
- Make extra repayments beyond the allowed limit
- Pay out the loan in full (e.g., with an inheritance or windfall)
When Break Costs Apply — and When They Don’t
| Situation | Break cost applies? |
|---|---|
| Interest rates have fallen since you fixed | Yes — potentially very high |
| Interest rates have risen since you fixed | No — break cost is zero |
| You are within the allowed extra repayment limit | No |
| You switch to variable with the same lender | Usually yes |
| Fixed period has expired | No |
The key driver: Break costs only apply when current rates are lower than your fixed rate. If rates have risen since you fixed, breaking out of your loan costs the lender nothing — and you owe nothing.
How Break Costs Are Calculated
Lenders use their own proprietary formulas, but the core components are:
$$\text{Break cost} \approx (\text{Fixed rate} - \text{Current wholesale rate}) \times \text{Loan balance} \times \text{Remaining fixed term (years)}$$
Example:
- Fixed rate: 6.00%
- Current wholesale rate: 4.50%
- Loan balance: $600,000
- Remaining fixed term: 2 years
$$\text{Break cost} = (6.00% - 4.50%) \times $600,000 \times 2 = 1.5% \times $600,000 \times 2 = $18,000$$
This is an approximation — lenders use internal funding rates (not the public cash rate), so the actual break cost can differ significantly. Always request a written quote from your lender.
2026 Rate Context
As of April 2026, the RBA cash rate is approximately 3.85%, down from a peak of 4.35% in late 2023. Borrowers who fixed rates in 2022–2023 at rates of 5.5–6.5% may find that:
- If current wholesale rates are lower than their fixed rate → break costs apply
- If they fixed at a lower rate than current wholesale rates → no break cost (and likely little reason to break)
The calculation depends on wholesale/swap rates at the time — not the cash rate directly. Request a break cost estimate from your lender before making any decisions.
Extra Repayment Limits on Fixed Rate Loans
Most lenders allow extra repayments on fixed rate loans up to a certain amount without triggering break costs — typically $10,000 per year above the minimum.
Exceeding this cap triggers break costs on the excess amount.
Check your loan contract for the specific limit. Some lenders:
- Allow unlimited extra repayments on fixed loans (less common)
- Cap at $10,000/year
- Cap at $20,000 over the fixed period total
- Do not allow any extra repayments during the fixed period
When Is It Worth Paying a Break Cost?
Breaking a fixed rate loan can be worth it if:
The refinancing savings outweigh the break cost — e.g., if you can reduce your rate by 1.5% on a $600,000 loan for 3 more years, savings = $27,000. If the break cost is $15,000, net saving = $12,000. Worth it.
You need to sell — if you must sell the property, you will pay the break cost regardless. Factor it into your net proceeds.
Significant life change — divorce, job loss, income change that requires restructuring.
Get a written break cost estimate from your lender before making any decision. The estimate is usually provided within 24–48 hours of requesting it.
How to Request a Break Cost Estimate
- Call or log in to your lender’s online banking
- Request a “break cost” or “economic cost” estimate for your loan
- Specify the date you are considering breaking (the estimate is time-sensitive)
- Ask for the estimate in writing
- The estimate is typically valid for 3–5 business days
Note: The actual break cost at the time of settlement may differ slightly from the estimate due to daily rate movements.
Fixed Rate Break Cost vs Exit Fee
These are different things:
| Break cost / Economic cost | Exit fee | |
|---|---|---|
| What it is | Compensation to lender for rate difference | Administration fee for processing discharge |
| Amount | Can be tens of thousands of dollars | Typically $150–$400 |
| When it applies | When you exit a fixed rate loan early | When you exit any loan (fixed or variable) |
| Regulated | Not capped — based on lender’s funding loss | Regulated — cannot be excessive on post-July 2011 loans |
Frequently Asked Questions
Can I find out my break cost without committing to break?
Yes — requesting a break cost estimate is free and non-binding. You can request an estimate, review it, and decide not to proceed with no obligation.
Do break costs apply if I switch from fixed to variable with the same lender?
Usually yes — switching from fixed to variable with the same lender triggers a break cost. The lender still incurs the funding loss. Some lenders offer “fee-free” fixed-to-variable switching in specific circumstances — check your loan terms.
What if my fixed rate expires — do I still pay a break cost?
No — break costs only apply during the fixed period. Once the fixed period expires and the loan reverts to variable (or you select a new fixed rate), no break cost applies.
Are break costs tax-deductible?
For investment property loans, break costs are generally deductible — but the timing and method of deduction (lump sum vs spread over the remaining term) can be complex. Speak with a registered tax agent.
Related Guides
- Paying a Lump Sum Off Your Mortgage
- Extra Repayments — How Much Do They Save?
- Early Repayment Charges Explained
- Should I Fix My Rate or Go Variable Right Now?
- Mortgage Repayment Hub
This article provides general information about fixed rate break costs in Australia. Break cost calculations are lender-specific and fluctuate with wholesale interest rates — always request a written estimate from your lender. Tax deductibility of break costs on investment loans is complex — speak with a registered tax agent. For advice tailored to your situation, speak with a licensed mortgage broker. Find one through MoneySmart.