Know the right time to refinance your mortgage. This guide covers rate triggers, break-even analysis, and the signs your current loan is costing you money.
Refinancing isn't just about chasing the lowest rate — it's about timing, costs, and strategy. Done right, switching your home loan can save tens of thousands over the life of the loan. Done poorly, exit fees and setup costs can wipe out any benefit.
This guide helps you identify exactly when refinancing makes financial sense, what triggers should prompt a review, and how to calculate whether the numbers stack up in the current March 2026 rate environment.
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The refinance break-even calculation is straightforward. Here's an example for March 2026:
Scenario: $600,000 loan balance, current rate 6.79%, available rate 5.99%
| Item | Amount |
|---|---|
| Annual interest saving (0.80% × $600k) | $4,800/year |
| Monthly saving | $400/month |
| Typical refinance costs (discharge + setup) | $600–$1,500 |
| Break-even period | 2–4 months |
Most refinances with a 0.50%+ rate reduction pay for themselves within 3–6 months. Over the remaining loan term, this scenario saves over $70,000 in total interest.
Refinancing is one of the most powerful financial levers available to homeowners, yet many Australians stay on uncompetitive rates simply because they don't review their loan regularly. A good rule: review your home loan at least once a year, and always when your fixed rate expires.
In the current rate environment, even small rate reductions translate to substantial lifetime savings. Don't let inertia cost you tens of thousands.
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