A fixed rate that works when you're trying to crack into the market on your first swing looks different from one that makes sense when you've built equity and you're managing cash flow around a young family.
The decision sits with two factors: what your income pattern looks like right now, and what flexibility you might need over the next few years. A three-year lock-in gives certainty, but it also removes options if your roster changes or you need to pivot.
First Home Purchase: Locking in Certainty While You Build Equity
When you're buying your first property, a fixed rate removes one variable while you adjust to ownership costs. You know what leaves your account each fortnight, and that matters when you're also managing fuel, rates, insurance, and the costs that don't show up in the pre-approval.
Consider a FIFO mobile plant operator on a two-and-one roster who's just bought in Perth's northern corridor. They've locked in a three-year fixed rate at the time of settlement. The repayments stay constant while they build equity and work out what ownership actually costs them across a full year. They're not worrying about rate movements while they're also learning how much they need to set aside for strata, water, and the land tax bill that hits in July. The home loan structure is simple: principal and interest, no offset, no split.
The risk sits with roster changes. If the operator moves to a different site or shifts to a different rotation in year two, they're locked in unless they're prepared to wear break costs. That trade-off between certainty and flexibility is deliberate, and it works if the job is stable and the income is consistent.
Mid-Career: Split Loans to Manage Rate Movements Without Giving Up Access
Once you've built equity and you're managing a household budget that includes childcare, school fees, or a second vehicle, a full fixed rate can feel too rigid. A split loan gives you a portion of certainty and keeps variable funds accessible through an offset account.
In our experience, FIFO workers five to ten years into their careers often carry more complexity. They might have income from a rental property, a partner working part-time, or irregular overtime that changes quarter to quarter. A split rate structure lets them lock in half the loan while keeping the other half variable with an offset linked to it. The offset absorbs cash when they're on-swing, reduces interest on the variable portion, and gives them access when they need to cover a larger expense without triggering a redraw or breaking the fixed portion.
As an example, a diesel mechanic with a loan of $450,000 might fix $225,000 for three years and leave the rest variable. During their roster, they deposit into the offset. The variable portion accrues less interest, and they're not paying for funds they're not using. If they need to refinance or pay down a chunk in year two, the variable portion moves without penalty. The fixed portion stays untouched unless they're prepared to calculate the break cost.
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Investment Property Purchase: Interest-Only Fixed Rates to Hold Costs While the Asset Appreciates
When you're buying an investment property, the goal is usually to minimise holding costs while the property builds value or generates rent. A fixed rate on interest-only repayments reduces the outgoing each month and gives you predictable cash flow while you manage tenants and maintenance.
The structure works if you're planning to hold the property for a defined period and then reassess. You're not building equity in the loan, but you're also not overpaying while the asset does the work. The fixed term gives you a window where you know exactly what you're funding, and that certainty matters when you're balancing repayments on an owner-occupied loan and an investment loan at the same time.
The catch is the end of the interest-only period. If the fixed rate and the interest-only term both expire at the same time, you're looking at a jump in repayments unless you've planned the exit. Some FIFO workers will refinance before the fixed term ends to avoid rolling onto a higher revert rate. Others will switch to principal and interest and absorb the increase if their income has grown or the rent has covered more of the gap.
Pre-Retirement: Shorter Fixed Terms to Pay Down Debt Without Long Commitments
When you're within five to ten years of finishing up on the roster, the focus usually shifts to reducing the loan rather than maximising flexibility. A shorter fixed term, one or two years, can lock in a rate while you make additional repayments on the variable portion or pay down the loan entirely without penalty.
The goal at this stage is to remove the debt before income drops. A long fixed term doesn't help you if you're planning to make lump sum payments from redundancy, long service leave, or a sale. A short fixed term on part of the loan gives you some protection from rate rises while keeping the majority of the loan flexible enough to pay down as funds become available.
Some FIFO workers at this stage will move entirely to variable with an offset and avoid fixed rates altogether. The offset absorbs any surplus cash, reduces interest, and keeps the funds accessible if they need to pivot. The decision depends on how much cash flow certainty you need versus how much debt you're planning to clear in the next few years.
Roster Changes and Fixed Rate Flexibility
A fixed rate doesn't adjust when your roster does. If you move from a two-and-one to a three-and-one, or if you shift from mining to construction and your income changes, the fixed repayments stay the same. That stability is useful when income drops, but it becomes a limitation if you want to pay extra or refinance to access equity.
Most fixed rate products allow some additional repayments, usually up to $10,000 or $20,000 per year depending on the lender. Beyond that, you're either locked in or you're calculating break costs. If you're likely to receive a bonus, redundancy, or other lump sum during the fixed period, check the additional repayment limit before you lock in. If the limit is too low, a split loan or a shorter fixed term will give you more room to move.
Some lenders also offer portability, which lets you move the fixed rate to a new property if you sell and buy within a set timeframe. That feature matters if you're planning to upgrade or relocate for work during the fixed period. Not all lenders offer it, and not all fixed rate products include it, so it's worth confirming before you commit.
Rate Discounts and Fixed Rate Pricing for FIFO Income
Fixed rates are priced on the lender's cost of funds, not on your individual risk profile. You'll still need to meet serviceability and loan-to-value requirements, but the rate itself doesn't usually shift based on your occupation. Some lenders offer discounts for FIFO workers or for loans above a certain size, but the discount applies to the variable rate, not the fixed rate.
That means the benefit of working with a broker who understands FIFO income sits with structuring the loan and meeting serviceability, not with accessing a lower fixed rate. The fixed rate is the fixed rate. Where the value shows up is in choosing the right term, the right split, and the right additional repayment limits so the fixed portion doesn't trap you if your situation changes.
If you're comparing fixed rates between lenders, look at the revert rate as well. Some lenders offer a lower fixed rate but revert to a higher variable rate at the end of the term. If you're planning to stay with the lender after the fixed period, the revert rate matters as much as the initial fixed rate.
Call one of our team or book an appointment at a time that works for you. We'll look at your income pattern, your roster, and where you're headed, and structure a fixed rate that fits without locking you into something that stops working in year two.
Frequently Asked Questions
Should I fix my rate when buying my first home as a FIFO worker?
A fixed rate removes repayment uncertainty while you adjust to ownership costs, which helps when you're learning what property ownership actually costs across a full year. The trade-off is reduced flexibility if your roster or income changes during the fixed term.
What is a split loan and when does it make sense for FIFO workers?
A split loan fixes part of your loan while keeping the rest variable, usually with an offset account attached to the variable portion. It works well mid-career when you want repayment certainty on part of the loan but need access to funds and flexibility on the rest.
Can I make extra repayments on a fixed rate home loan?
Most fixed rate loans allow additional repayments up to a limit, usually between $10,000 and $20,000 per year depending on the lender. Beyond that limit, you may face break costs or need to refinance the loan.
Why would a FIFO worker choose a shorter fixed term before retirement?
A shorter fixed term of one or two years provides some rate protection while keeping most of the loan flexible for lump sum repayments from redundancy or long service leave. It avoids locking you into a long commitment when the goal is to reduce debt quickly.
Do FIFO workers get discounts on fixed home loan rates?
Fixed rates are priced on the lender's cost of funds, not individual occupation. Discounts for FIFO workers typically apply to variable rates, not fixed rates, so the value comes from structuring the loan correctly rather than accessing a lower fixed rate.
