Do you know how your home loan shapes your finances?

A home loan sits at the centre of most household budgets for 20 to 30 years. The interest rate you're charged, the structure you choose, and the features you use all add up to either more flexibility or less depending on how they fit with your income, spending patterns and what you want to own or build over time.

Financial planning around a home loan isn't about finding the lowest advertised rate. It's about making sure your borrowing fits the way your household actually earns, saves and spends.

What does financial planning mean when you're borrowing for property?

Financial planning in the context of a home loan means deciding how much to borrow, which rate type to lock in or leave variable, and which loan features to use so that your repayments, savings buffer and long-term goals line up. It includes working out whether you can handle higher repayments if rates rise, how quickly you want to pay down the loan, and whether you need access to funds for renovations, school fees or investment later.

Consider a buyer in Werribee purchasing near the station precinct at the current median for the area. Borrowing 90% of the property value with a variable rate and an offset account means higher monthly repayments than a fixed rate at the outset, but it also means every dollar sitting in offset reduces the interest charged daily. If your income is steady and you keep a buffer in the offset, you cut years off the loan term without formally increasing repayments.

Should you fix, stay variable, or split your loan?

A variable rate gives you flexibility to make extra repayments, redraw when needed, and refinance without break costs. A fixed rate locks in your repayment amount for one to five years, which makes budgeting easier but removes flexibility. A split loan combines both.

For households in Werribee where one partner is on contract work or running a business with variable income, keeping part of the loan variable means you can throw extra cash at the loan when income is higher and redraw if things slow down. Fixing the other portion covers your minimum commitment even if rates climb. The split doesn't need to be 50-50. You can fix 30% and leave 70% variable, or the other way around, depending on how much certainty you want versus how much flexibility you need.

How an offset account works as a financial planning tool

An offset account is a transaction account linked to your home loan. Every dollar in the offset reduces the balance on which interest is calculated. If you have a loan of $500,000 and $30,000 sitting in offset, you're charged interest on $470,000.

This makes the offset more useful than a savings account for most owner-occupiers. Interest earned in a savings account is taxed. Interest saved through an offset isn't, because you're not earning interest, you're avoiding a charge. If you're saving for a car, a renovation or next year's rates bill, keeping that money in offset rather than a separate savings account cuts your interest bill every day it sits there.

Does your loan structure match what you're planning to do in the next five years?

If you're planning to renovate, upsize, or take parental leave in the next few years, your loan structure should allow for it. A loan with a redraw facility gives you access to extra repayments you've made, but some lenders limit how much you can pull out or charge a fee. An offset gives you full control of your savings without needing approval.

For buyers near Werribee Plaza or the Wyndham council precinct who are planning to add a second storey or extend once they've built some equity, keeping the loan variable with offset and redraw means you're not locked in when you need to access funds or refinance for a construction top-up.

How your deposit size affects financial flexibility

Your deposit determines your loan-to-value ratio, which in turn affects your interest rate, whether you pay lenders mortgage insurance, and how much equity you start with. A 20% deposit avoids LMI and often unlocks better rates. A 10% deposit gets you into the market sooner but means higher borrowing costs and less equity to start with.

Under the Australian Government 5% Deposit Scheme, eligible first home buyers in Werribee can purchase with a 5% deposit without paying LMI, as Housing Australia guarantees part of the loan. The property price cap for regional centres in Victoria is $950,000, which covers most established homes and new builds in the area. For first home buyers trying to balance getting into the market now versus saving a larger deposit, the scheme changes the calculation by removing the LMI cost, which can be $15,000 to $25,000 depending on the loan amount.

Should you make extra repayments or keep cash in offset?

Both strategies cut interest, but they work differently. Extra repayments reduce your loan balance permanently, which cuts the total interest you pay and shortens the loan term. Money in offset reduces the interest charged without reducing the balance, which means you can pull it back out if you need it.

If you're building an emergency buffer or saving for something specific in the short term, offset is the better option. If you're focused purely on paying the loan down as fast as possible and you won't need access to those funds, extra repayments are fine. Just make sure your loan allows redraws without restrictions if your circumstances change.

How borrowing capacity affects what you can plan for

Your borrowing capacity is the maximum amount a lender will let you borrow based on your income, expenses, debts and the interest rate buffer applied during serviceability assessment. Lenders assess your ability to service the loan at a rate 3 percentage points above the actual loan rate, which means even if you're borrowing at 6%, they're testing whether you can afford repayments at 9%.

This buffer limits how much you can borrow, but it also protects you from overcommitting. If your budget is tight at the amount the lender approves, that's a signal to borrow less or wait until your income increases. Financial planning around a home loan means borrowing an amount that leaves room for rate rises, income changes and life costs that aren't captured in a serviceability calculator.

What happens if your fixed rate is about to expire?

If you fixed your rate two or three years ago when rates were lower, your repayments are about to jump when the fixed term ends. Planning for a fixed rate expiry means understanding what your repayments will be at current variable rates and deciding whether to fix again, switch to variable, or split.

Rates are higher now than they were during the fixed rate period that ran from late 2020 to mid 2022. If your household budget has already adjusted to higher costs elsewhere, switching to variable with an offset gives you more control. If your income hasn't increased and you need repayment certainty, fixing part of the loan again might make sense even though current fixed rates are higher than the rate you're rolling off.

Call one of our team or book an appointment at a time that works for you. We'll review your current loan structure, walk through your options at expiry, and help you set up a structure that fits where your finances are headed, not just where they are now.

Frequently Asked Questions