The simplest way to switch from variable to fixed rate

Your variable rate might be costing you sleep.

If you've been watching interest rates climb and wondering when it'll stop, you're not alone. Many homeowners are now looking at refinancing to lock in a fixed rate, giving themselves certainty over their repayments and protection from any further rate increases. The shift from variable to fixed isn't complicated, but it does require understanding what you're gaining and what you might be giving up.

Why homeowners are locking in rates now

Refinancing from a variable interest rate to a fixed interest rate gives you a guaranteed repayment amount for a set period, typically between one and five years. When rates are volatile or you expect them to continue rising, fixing your rate means your monthly repayments stay the same regardless of what the Reserve Bank does. This predictability can make budgeting much easier, particularly if you're juggling other expenses or planning major purchases.

Consider a homeowner in Craigieburn with a $550,000 loan on a variable rate. Over the past year, their repayments have increased three times as their lender passed on rate rises. They're now paying around $800 more each month than they were twelve months ago. By refinancing to a fixed rate, they can lock in their current repayment level for the next three years, giving them breathing room to plan around other financial commitments without worrying about further increases.

What you gain and what you lose

A fixed rate home loan gives you stability, but it also comes with less flexibility than a variable loan. Most fixed loans limit how much extra you can pay off each year, often capping additional repayments at around $10,000 to $30,000 depending on the lender. If you're someone who regularly makes lump sum payments or wants the freedom to pay off your mortgage faster, this restriction can feel limiting.

You'll also typically lose access to features like offset accounts and redraw facilities while you're on a fixed rate. An offset account reduces the interest you pay by offsetting your savings balance against your loan amount. If you currently rely on this feature to manage your cash flow, moving to a fixed rate means you'll need to adjust how you handle your savings and everyday banking.

When the numbers support making the switch

The decision to switch to fixed depends on where rates are now and where you think they're heading. If variable rates have already risen significantly and you believe they'll either hold steady or keep climbing, locking in a fixed rate can protect you from paying even more. If rates are expected to fall, fixing now might mean you're locked into a higher rate while variable borrowers benefit from the decline.

In our experience, many clients who switch from variable to fixed do so because they value certainty over the possibility of saving a bit more if rates drop. This approach works particularly well for households on tight budgets where even a small increase in repayments would cause strain. For borrowers in Point Cook or Werribee who've stretched to afford their home loans in these growth corridors, fixing can mean the difference between comfortable repayments and financial pressure.

How break costs can affect your timing

If you're currently on a fixed rate and considering refinancing to a different fixed rate with another lender, you'll likely face break costs. These are fees your current lender charges to compensate for the loss of interest they expected to earn over the remainder of your fixed period. Break costs can run into thousands of dollars, depending on how much time is left on your fixed term and how much rates have moved since you locked in.

If your fixed rate period is coming to an end soon, waiting until it expires will save you those break costs. Most lenders will contact you a few months before your fixed rate period ends to discuss your options. This is the ideal time to assess whether you want to fix again, switch to variable, or refinance to another lender to access potentially lower rates or features that suit you now.

The refinance process when switching rate types

Moving from variable to fixed through refinancing involves a property valuation, a review of your income and expenses, and an assessment of your current loan amount against your property's value. Lenders want to confirm that your property hasn't dropped in value and that you can comfortably afford the repayments at the new fixed rate.

The application process typically takes two to four weeks from submission to settlement, depending on how quickly the valuation is completed and how responsive your current lender is with the discharge process. During this time, you'll need to provide recent payslips, bank statements, and details of any other debts or financial commitments. If you're looking to consolidate other debts into your mortgage as part of the refinance, this can extend the timeframe slightly as the lender assesses the additional loan amount.

Split loans as a middle ground

If you're torn between the certainty of fixed and the flexibility of variable, a split loan lets you do both. You might fix 60% of your loan to lock in most of your repayments, while keeping 40% on variable to retain flexibility for extra repayments and access to an offset account. This structure gives you some protection from rate rises while still allowing you to take advantage of features that help you pay down your loan faster.

As an example, a borrower in Tarneit with a $600,000 loan might fix $360,000 for three years and leave $240,000 on variable. They get predictable repayments on the majority of their debt, but they can still make extra payments on the variable portion and use an offset account to reduce interest costs. This approach works well for people who want stability but don't want to give up all their flexibility.

Making the switch work for your situation

Switching from variable to fixed isn't just about locking in a rate. It's about understanding what you need from your loan right now and how that might change over the next few years. If certainty matters more than flexibility, fixing makes sense. If you're likely to receive bonuses, inheritance, or other lump sums that you'd want to pay off your loan with, staying variable or using a split structure might serve you in a way that works for the long term.

A home loan health check with a broker can show you what's available across different lenders, what rate types suit your circumstances, and whether refinancing will actually save you money once you factor in application fees, valuation costs, and any discharge fees from your current lender. We regularly see situations where refinancing saves thousands over the life of the loan, but the decision needs to be based on your specific numbers, not general assumptions.

If you're thinking about switching from variable to fixed or you're unsure whether now is the right time, call one of our team or book an appointment at a time that works for you. We'll walk through your current loan, compare what's available, and help you decide whether locking in a rate makes sense for where you are now and where you're heading.

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