Refinancing saves money when your current rate sits 0.5% or more above what you could access today
If your current rate is half a percentage point higher than what's available, refinancing typically makes financial sense. At that threshold, the interest savings over even two years usually outweigh application fees and valuation costs.
Consider a borrower with $600,000 remaining on their loan at 6.5% when comparable products sit at 5.9%. That 0.6% difference translates to roughly $3,600 less interest in the first year alone. Application costs might reach $1,000 to $1,500 depending on the lender, meaning the switch pays for itself within six months. Over five years, that same rate difference compounds to around $17,000 in saved interest, assuming no additional repayments.
This calculation shifts if you plan to sell within twelve months or if your loan balance sits below $200,000. Smaller balances generate smaller savings, and short holding periods leave less time to recover switching costs. If either applies, run the numbers with your broker before committing.
Your fixed rate period ending triggers the most common refinancing opportunity
Most fixed loans revert to a standard variable rate that sits one to two percentage points above what new borrowers receive. That reversion creates an immediate financial penalty unless you take action.
When a fixed rate period ends, lenders typically move you to their advertised variable rate without applying any discounts or negotiated pricing. A borrower who locked in a low rate three years ago might revert to 7.0% today, while new customers at the same lender access 6.0% and competitive lenders offer similar rates. That two-month window before expiry is when you should start a loan health check so a new loan can settle the day your fixed term concludes.
Some lenders allow you to lock in a new rate up to 90 days before your fixed term expires. If you wait until after reversion, you'll pay the inflated rate during the four to six weeks it takes to settle a refinance. On a $500,000 loan, that delay might cost $400 to $500 in unnecessary interest.
Refinancing to access equity works when your property has gained value and you need capital for a specific purpose
Banks lend against your property's current value, not what you paid for it. If your home has increased in value since purchase, you may be able to borrow additional funds without selling.
A professional who purchased in a Brisbane inner-ring suburb five years ago might have seen their property value climb from substantially. With a smaller loan amount still owing, their equity position has improved on average to 31% to 45%. Refinancing to access $150,000 of that equity for an investment property deposit keeps the loan-to-value ratio at 70%, which most lenders accommodate without requiring mortgage insurance. The refinanced loan sits at $150,000 higher than before, serviced by rental income from the investment property and existing salary.
This approach only makes sense when the borrowed equity funds an income-producing asset or a renovation that adds value. Using equity to fund lifestyle spending converts your home into a consumption loan, which rarely improves your financial position. Lenders will also assess whether your income can service the higher loan amount, so borrowing capacity matters as much as available equity.
Consolidating other debts into your mortgage reduces your monthly commitments when cashflow is under pressure
Home loan rates sit several percentage points below personal loans, car finance, and credit cards. Moving high-interest debt into your mortgage drops your monthly repayments, though it extends the repayment period unless you increase payments once cashflow improves.
A borrower with $40,000 across a car loan at 8.5% and credit cards at 18% pays roughly $1,400 per month servicing that debt. Consolidating it into a mortgage at 6% reduces the monthly cost to around $240, assuming a 30-year term. That's $1,160 per month freed up, which might make the difference between managing comfortably and falling behind. The trade-off is paying interest over a much longer period unless you treat the consolidated amount as a separate target and pay it down faster than the minimum.
This approach suits professionals who've had a short-term income disruption or who need breathing room to rebuild savings. It doesn't suit borrowers who will accumulate the same debts again within twelve months. If spending patterns haven't changed, consolidation just delays the problem.
Switching lenders for offset accounts or redraw flexibility makes sense when you're building cash reserves
Not all home loans offer the same access to your own money. Offset accounts reduce interest on your full balance while keeping funds available, whereas redraw facilities may impose delays, minimum withdrawal amounts, or restrict access altogether during certain loan types.
Your current lender might not offer an offset account, or their version might come with a higher interest rate that negates the benefit. Refinancing to a loan with a full offset and no additional rate loading means every dollar in that account reduces your interest without sacrificing liquidity. For a professional with $50,000 in savings sitting in a transaction account earning minimal interest, moving that into an offset against a $550,000 loan saves around $3,000 per year in interest at current rates.
Some lenders also restrict redraw during fixed periods or if you've split your loan. If your circumstances have changed and you now need flexible access to extra repayments, moving to a lender with fewer restrictions avoids the scenario where your own money is locked away when you need it.
A loan structure review matters when your income or property goals have changed since you first borrowed
The loan that worked when you bought your first home might not suit your situation now. Changes in income, dependents, or investment plans often mean your current loan structure is costing you money or flexibility.
A borrower who started with a single variable loan five years ago might now earn $40,000 more annually, own an investment property, and want to fix part of their owner-occupied loan while keeping the investment loan variable for tax deductibility. Refinancing lets you split the owner-occupied loan into fixed and variable portions, separate the investment debt, and ensure only the investment interest is claimed as a deduction. This kind of restructure often happens at the same time as accessing equity, since both involve rewriting the loan terms.
If your current lender can restructure without refinancing, that's usually faster and cheaper. Many lenders will negotiate on rate, add an offset, or split your loan without a full application. But if they can't offer what you need, or if their retention rate still sits above market, switching makes sense.
Refinancing becomes less viable within two years of purchase or when your loan balance is below $150,000
Application fees, valuation costs, and discharge fees typically total $1,000 to $2,000. On a small loan balance, the interest savings take years to recover those costs, and on a short remaining loan term, you run out of time to benefit.
A borrower with $120,000 remaining might save $600 per year by dropping their rate 0.5%. After paying $1,200 in switching costs, they're two years into the new loan before they're ahead. If they plan to pay the loan off in three years, the benefit is minimal. The same borrower with $500,000 remaining saves $2,500 per year, recovering costs in six months.
If you refinanced within the past two years, most lenders apply discharge fees that increase the cost of switching again. Some borrowers get caught refinancing every year chasing small rate differences, spending more on fees than they save on interest. A rate difference below 0.3% rarely justifies the effort and cost unless you're also changing loan features or accessing equity.
Book a loan review now if you haven't compared your rate in the past two years
Mortgage pricing has shifted considerably, and lenders adjust their offers every few months. A rate that was competitive two years ago is often well above what you could access today, even at your current lender.
Call one of our team or book an appointment at a time that works for you. A review takes around 20 minutes, and we'll show you exactly what you'd save by switching or renegotiating, including all costs and the time it takes to recover them.
