Refinance Your Home Loan 2026: How Much You Can Save and When to Switch

Refinancing a home loan is one of the most effective ways for Australian homeowners to reduce their largest ongoing expense — but it is not always the right move. A 0.50% rate reduction on a $500,000 loan saves approximately $2,500–$3,000 per year in interest. Yet refinancing also comes with costs: discharge fees, application fees, government charges, and potentially break costs on fixed rate loans. In some cases, those costs wipe out the savings.

If you are asking whether to refinance your home loan in Australia in 2026, this guide calculates the real savings from refinancing at different rate differentials, breaks down all the costs involved, explains the cashback landscape, and identifies the scenarios where refinancing is not worth the trouble.

How Much You Can Save: The 2026 Refinancing Savings Calculation

The interest rate gap between what you are currently paying and the best available rate determines whether refinancing makes financial sense. Here is what different rate reductions mean for your annual and long-term savings, using a 30-year P&I loan:

On a $400,000 loan:

• 0.25% rate reduction: Save approximately $1,000 per year in interest. Over 5 years, save approximately $5,000. Total saving over the remaining loan term (assuming 25 years left): approximately $27,000.
• 0.50% rate reduction: Save approximately $2,000 per year. Over 5 years, save approximately $10,000. Total over remaining term: approximately $52,000.
• 1.00% rate reduction: Save approximately $4,000 per year. Over 5 years, save approximately $20,000. Total over remaining term: approximately $96,000.

On a $600,000 loan:

• 0.25% rate reduction: Save approximately $1,500 per year. Over 5 years, save approximately $7,500. Total over remaining term: approximately $40,000.
• 0.50% rate reduction: Save approximately $3,000 per year. Over 5 years, save approximately $15,000. Total over remaining term: approximately $78,000.
• 1.00% rate reduction: Save approximately $6,000 per year. Over 5 years, save approximately $30,000. Total over remaining term: approximately $145,000.

On a $1,000,000 loan:

• 0.50% rate reduction: Save approximately $5,000 per year. Over 5 years, save approximately $25,000.
• 1.00% rate reduction: Save approximately $10,000 per year. Over 5 years, save approximately $50,000.

These figures show that refinancing makes compelling financial sense when the rate gap is 0.50% or more and the costs of refinancing are modest. The question is whether your actual rate gap is that wide — and what it costs to close it.

The Current Refinancing Opportunity in 2026

The variable rate environment in mid-2026 presents a meaningful refinancing opportunity for many borrowers, particularly those who took out loans in 2023–2024 when rates were near their peak and have not refinanced since.

A borrower who took out a $500,000 variable rate loan in late 2023 at 7.00% (at the RBA cash rate peak of 4.35%) and has made standard repayments since — reducing the balance to approximately $480,000 — could refinance to a competitive 5.89% variable rate in July 2026. That is a 1.11% rate reduction. The monthly repayment falls from approximately $3,327 to approximately $2,841 on the remaining balance — a saving of $486 per month, or $5,832 per year. Even after refinancing costs of $1,000–$2,000, the first-year net saving exceeds $3,800.

Borrowers on their lender’s standard variable rate (the uncompetitive revert rate that applies after fixed terms expire or when no discount has been negotiated) are paying the largest spreads. Major bank standard variable rates in mid-2026 sit at approximately 7.00%–7.50%, while the same banks’ discounted rates for new customers are 5.89%–6.19%. A borrower who has been on a standard variable rate for years could save 1.00%–1.50% by refinancing — equivalent to $5,000–$7,500 per year on a $500,000 mortgage.

The Costs of Refinancing

Refinancing is not free. Here are the costs you should factor into your savings calculation as of 2026:

Discharge fee from your existing lender. Most lenders charge $250–$400 to discharge your loan. This covers the administrative cost of releasing the mortgage and closing your account. Some lenders waive this fee, but the major banks typically charge it.

Government fees. Each state and territory charges a mortgage registration fee and a discharge of mortgage fee. Combined, these typically total $300–$600. In NSW, the mortgage registration fee is approximately $153 and the discharge fee is approximately $153. In Victoria, the mortgage registration fee is approximately $121 and the discharge fee is approximately $121. These are unavoidable and are paid to the state land titles office.

Application or establishment fee from the new lender. Many lenders charge an upfront fee of $0–$600 for establishing a new loan, though this is commonly waived on competitive products or through mortgage brokers.

Valuation fee. Lenders require a property valuation before approving a refinance. Most lenders cover this cost for standard residential properties, but if a full physical valuation is required (rather than a desktop or kerbside valuation), the cost is approximately $200–$500 and may be passed on to you. In most refinancing scenarios, the valuation is free.

Break costs on fixed rate loans. This is the cost that can kill a refinancing decision. If you are currently on a fixed rate loan and want to refinance before the fixed term expires, the existing lender calculates break costs — the present value of the interest it will lose by releasing you from the contract early. In a falling rate environment (as in mid-2026), break costs can be substantial. On a $500,000 fixed rate loan with 2 years remaining at a rate that is now 0.50% above market, break costs could be $5,000–$10,000. If the rate gap to market is larger, the break costs are larger.

LMI on the new loan (if applicable). If your LVR on the new loan is above 80%, you will pay LMI again, even if you paid it on your original loan. This can be $8,000–$20,000+ depending on loan size and LVR, which typically makes refinancing unviable unless the rate saving is enormous.

Total typical refinancing costs (no break costs, no LMI): $800–$1,500. These costs are recouped within 6–12 months on a rate reduction of 0.50% or more.

When NOT to Refinance

Refinancing is not always the right move, even if you can get a lower rate. Here are the scenarios where you should think twice:

Your LVR is above 80% and you paid LMI on your original loan. Refinancing will trigger a fresh LMI premium on the new loan, which can easily exceed several years of rate savings. In this scenario, a better approach is to negotiate a lower rate with your existing lender (a “rate review” or “retention call”), which costs nothing and has no LVR trigger.

You are on a fixed rate with substantial break costs. If you locked in a fixed rate at 2023–2024 levels (5.50%–6.50%) and rates have since fallen, your break costs may be significant because the lender loses a higher-than-market interest stream. Always get a break cost quote before initiating a refinance from a fixed rate. If the break cost exceeds 12–18 months of interest savings, it is usually better to wait until the fixed term expires and then refinance to a competitive variable rate (or negotiate with the existing lender at expiry).

Your loan balance is small. Refinancing costs of $1,000–$1,500 are fixed regardless of loan size. On a $100,000 loan, a 0.50% rate reduction saves approximately $500 per year — it takes 2–3 years just to recover the refinancing costs. On a $200,000 loan, the same rate reduction saves $1,000 per year, recovering costs in 12–18 months. The smaller your loan, the longer the payback period.

You plan to sell the property within 12–18 months. The upfront refinancing costs need time to be recovered through ongoing savings. If you are likely to sell soon, the costs of refinancing may not be recovered before you discharge the loan again.

You have recently changed jobs or become self-employed. Lenders assess your income stability when you refinance. If you are in a probation period at a new job, or you have recently become self-employed and cannot show 2 years of tax returns, you may not meet lending criteria at the new lender — even though your existing lender is fine with your loan. Refinancing is effectively a new loan application with full serviceability checks.

Equity Access Through Refinancing

Refinancing is not only about rate savings. It is also the primary mechanism for accessing equity in your property — borrowing against the increased value of your home to fund renovations, invest, or consolidate debt.

If your property has appreciated by $100,000 since you bought it, refinancing can unlock up to 80% of that appreciation as a new or increased loan. This is called an equity release or cash-out refinance. The new loan amount might be $80,000 higher than the old one, with the extra $80,000 deposited into your account at settlement.

Lenders treat cash-out refinancing differently from a straight rate-and-term refinance. They typically want to know the purpose of the equity release and may apply stricter serviceability criteria. Using equity for renovations that increase the property value is generally viewed favourably. Using it to invest in shares or another property is acceptable but may be assessed at a higher interest rate. Using it for a holiday or a car is viewed less favourably and may result in a higher rate or a smaller approval.

For borrowers looking at investment properties, read our stamp duty on investment properties guide to understand the upfront tax costs of expanding your property portfolio.

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Use the Mortgage Repayment calculator to compare your current repayments against a refinanced rate and see exactly how much you could save each month. Visit /calculators/mortgage-repayment/ to run the numbers.

Disclaimer

Disclaimer: This article provides general estimates only and does not constitute financial, tax, or legal advice. Rates, thresholds, and rules change. Always refer to the ATO, your state revenue office, or a licensed professional for your specific circumstances. Last updated: July 2026.