Switching from Variable to Fixed Rate: What to Know

Variable rates have climbed significantly over recent years.

If you're on a variable interest rate and concerned about further increases, switching to a fixed rate through refinancing can provide certainty over your repayments for a set period. The decision depends on how long you want that certainty, what fixed rate period ending means for your future plans, and whether the rate you can lock in today genuinely protects you from likely movements ahead.

Consider a dental hygienist earning $85,000 annually with a $450,000 home loan on a variable rate currently sitting around 6.3%. Monthly repayments at that rate are approximately $2,770. If rates move up another 0.25%, those repayments climb to $2,840. Refinancing to a fixed rate at 5.9% for three years brings repayments down to $2,670 per month, saving roughly $100 monthly while removing the risk of further increases during that fixed rate period. Over three years, that's $3,600 in reduced costs plus the value of knowing exactly what you'll pay each month.

Fixed Rate Break Costs: How the Calculation Works

If you're already on a fixed rate and want to switch to a different fixed rate, you'll likely face break costs.

Break costs are calculated based on the difference between the interest rate you agreed to and the wholesale rate your lender can earn by lending that money elsewhere today. When rates have fallen since you fixed, the lender loses potential income by letting you out of the contract early, and that loss is passed to you as a break cost. When rates have risen, break costs are often minimal or zero because the lender can re-lend at a higher rate.

For someone moving from variable to fixed, break costs don't apply because variable loans typically don't have exit penalties beyond standard discharge fees. This makes switching from variable to fixed through a home loan refinance more straightforward than moving between fixed rate products. You're comparing the cost of your current variable rate against the fixed rate you can access, plus any application or valuation fees involved in the refinance process.

Why Dental Hygienists Are Refinancing Now

Income stability matters when choosing between variable and fixed.

Dental hygienists typically work in private practices or public health settings with predictable hours and consistent income, even if some of that income is casual or contract-based. When your income doesn't fluctuate much month to month, a fixed rate aligns well with your budgeting approach. You know what your mortgage costs, you know what your income will be, and you can plan other financial commitments around those two fixed points.

We regularly see hygienists who've been on variable rates since purchasing and are now looking to lock in rates before any further rises. In many cases, these borrowers have built up equity in their property and improved their credit position since they first borrowed, which means they can access a lower interest rate than they'd get by simply switching their existing lender's product. Refinancing to a new lender often delivers a lower fixed rate than staying put, particularly if your current loan is more than two years old.

The Refinance Application Process for Switching to Fixed

You'll need to provide income verification, confirm your current loan amount, and allow for a property valuation.

Lenders assess your capacity to service the new loan based on current income and expenses, even though switching from variable to fixed with the same loan amount doesn't change your actual borrowing. For dental hygienists, income documentation usually includes recent payslips if you're employed or tax returns and notice of assessment if you're contracted through your own structure. Lenders will also request a current mortgage statement showing your remaining balance and any offset or redraw balances attached to your existing loan.

The property valuation determines whether you've built sufficient equity to access preferred rates or to consolidate other debts into the mortgage if that's part of your refinancing goal. In our experience, valuations for established properties in metro areas are usually desktop assessments completed within a few days, while regional properties or those in fluctuating markets may require a physical inspection.

Choosing Your Fixed Rate Period Strategically

Fixed rate periods typically range from one to five years, and your choice should reflect your financial plans during that time.

If you're planning to access equity within two years to buy an investment property, fixing for three years gives you stability now but may lock you into break costs later when you need to refinance again. Conversely, if your focus is purely on repayment certainty and you're not planning any major property moves, a longer fixed period provides extended protection against rate rises.

Some borrowers split their loan, fixing part and leaving part on variable. A hygienist with a $500,000 loan might fix $350,000 at 5.9% for three years and leave $150,000 on variable at 6.3%. This approach provides partial protection from rate increases while maintaining access to offset account features and extra repayment flexibility on the variable portion. It also reduces break costs if you need to refinance before the fixed rate period ending, because only the fixed portion incurs penalties.

Offset Accounts and Redraw on Fixed Rates

Most fixed rate home loans don't include offset accounts, and redraw access is often restricted.

If you currently hold savings in an offset account that reduces the interest charged on your variable loan, switching entirely to a fixed rate means losing that feature. For a hygienist with $30,000 in offset savings against a $400,000 variable loan at 6.3%, that offset saves around $1,890 per year in interest. If the fixed rate you're considering is 5.9%, you're saving 0.4% on the full loan amount, which is $1,600 annually on $400,000. The offset benefit partially offsets the rate difference, so your actual saving from switching is less than the headline rate gap suggests.

This calculation matters when deciding whether to fix the entire loan or split it. Keeping a portion on variable with an offset attached preserves that tax-effective savings strategy, particularly useful for hygienists building a deposit for their next property or managing irregular expenses like professional development or equipment purchases.

What Happens When Your Fixed Rate Period Ends

Your loan will revert to the lender's standard variable rate unless you refinance or renegotiate before the fixed rate expiry.

Lenders typically contact you 30 to 90 days before your fixed term ends, offering you the option to fix again or move to variable. The rate they offer at that point is rarely their most competitive, because they're counting on inertia. In our experience, borrowers who actively refinance or renegotiate before their fixed term expires consistently secure lower rates than those who accept the default rollover option.

Planning for this transition while you're still 12 months away from expiry gives you time to assess whether rates have moved, whether your financial situation has improved enough to access better pricing, and whether another lender offers features or rates that justify the refinance process. For hygienists, this is also the time to consider whether you want to release equity to buy the next property or consolidate other debts now that you have a refinancing trigger point.

Loan Health Checks Before You Refinance

A loan health check compares your current rate and features against what's available now, not just whether your repayments are affordable.

Many hygienists we work with have been on the same loan since they bought their first property, often with a rate that was competitive at the time but has drifted well above what they'd qualify for today. A health check reviews your loan amount, current interest rate, any fees you're paying, and the features you're actually using, then benchmarks that against current refinance rates and product options.

If your variable rate is above 6.2% and you could refinance to a fixed rate at 5.9% or lower, the decision to switch becomes straightforward if you value repayment certainty. If your current loan has features you're actively using, like an offset account or unlimited extra repayments, the health check identifies whether those benefits outweigh the rate difference or whether a split loan structure lets you access both.

Refinancing from variable to fixed rate makes sense when you want repayment certainty and can lock in a rate that protects you from likely increases during your fixed period. For dental hygienists with stable income and clear financial goals over the next few years, switching to fixed provides budgeting clarity and removes the risk of further rate movements affecting your cashflow. The refinance process involves income verification, property valuation, and a decision about how much of your loan to fix and for how long. Getting that structure right depends on understanding your plans for the property, how you use features like offset accounts, and what happens when the fixed rate period ending arrives.

Call one of our team or book an appointment at a time that works for you to review your current loan structure and the fixed rates available for your refinance.

Frequently Asked Questions