Smart Ways to Approach Fixed Rates as a First Home Buyer

A fixed interest rate gives you certainty for a set period, and the price of that certainty is less flexibility. If you are a first home buyer in Mount Eliza, the choice comes down to how much you value a steady repayment compared with the freedom to pay your loan down faster.

This article walks through how fixed terms work, what to check before you commit, and one way to avoid choosing between certainty and flexibility.

What does a fixed rate loan term actually mean?

A fixed rate term locks in your interest rate for an agreed period, so your repayment stays the same until that period ends. Fixed terms commonly run from one to five years, but the options depend on the lender.

When the term ends, your loan usually rolls onto the lender's variable rate unless you fix again or move to another lender. That rollover is a decision point worth planning for, and our fixed rate expiry page explains what your choices look like at that stage.

For a first home buyer, the appeal is simple to see. You know exactly what leaves your account each month, which makes budgeting around rent, bills and a new set of household costs more predictable.

Fixed vs variable: what are you giving up?

With a fixed rate you give up flexibility, and with a variable rate you give up certainty. Neither is automatically the right choice, because it depends on your income, your plans and how you feel about repayments moving.

A variable interest rate can rise or fall, so your repayments can change. In return, variable loans often come with an offset account and redraw, which let you hold extra cash against your loan or pull back money you have paid ahead. Fixed loans can limit or exclude these features, and many lenders cap how much extra you can repay during the fixed term. The rules differ between lenders, so ask for them in writing.

The other trade-off is exit cost. If you pay off or refinance a fixed loan before the term ends, you may be charged break costs. The amount depends on your loan size, how long is left on the term and how rates have moved since you fixed. A sale, a refinance or a big lump sum can all trigger it.

How a split loan works for a first home buyer in Mount Eliza

A split loan divides your borrowing into a fixed portion and a variable portion, so you get some certainty and some flexibility. The cost is that neither half is as strong as having the whole loan in one style.

As an example, consider a first home buyer on the Mornington Peninsula who borrows $600,000 over 30 years. They like the idea of a locked repayment but expect a bonus and some overtime in the first couple of years, and they want somewhere to put it.

They split the loan in half. Using an illustrative rate of 6.75% p.a. on both halves, the full loan repayment is about $3,892 a month. Each $300,000 half comes to about $1,946 a month. The fixed half stays at that repayment for the whole fixed term. The variable half sits alongside an offset account, where the buyer parks their bonus.

The outcome is a repayment that is half locked and half open to change, with extra cash working against the variable balance. If rates rise, only half the loan is exposed. If the buyer later sells or refinances early, break costs apply only to the fixed half. The trade-off is that the fixed half may not accept the bonus, or only up to a lender-set cap. Going over the cap can trigger break costs. The variable half will move if rates do.

Those figures are for illustration only. You can test your own numbers in our mortgage repayment calculator.

Fixed rate terms: what to check before you commit

The most useful check is whether the fixed term matches what you expect to happen in your life over that period. If you might sell, upgrade, start a family or change jobs within the term, a shorter term or a split may suit you better than a long fixed term.

Then compare the loan details side by side, not only the headline rate:

Ask how much extra you can repay each year without a penalty. Ask whether an offset account is available on the fixed portion or only on the variable portion. Ask how break costs are calculated and what rate you roll onto when the term ends. These answers matter as much as the interest rate itself, and they vary a lot between lenders.

It also helps to know your numbers first. Our borrowing capacity page shows what lenders look at, and it gives you a realistic range before you fall for a property.

When should you lock in the rate: at pre-approval or at settlement?

A pre-approval tells you roughly what a lender may lend you, but it does not always lock in the interest rate. Some lenders let you lock a rate ahead of settlement, and others set the rate on the day the loan is drawn.

If a lender does offer a rate lock, it may come with a fee, and the terms can differ. Ask whether the rate you are quoted is the rate you will get, and what happens if rates drop before settlement. That question is worth asking before you sign a contract, not after.

Another cost to plan for is upfront duty and government charges on your purchase. Our stamp duty calculator gives you an estimate, and you can also read our first home buyers page to see which concessions or grants may apply to you. Eligibility rules change, so confirm them with the relevant state authority before relying on them.

If you are weighing up a fixed term, talk to our local team at Mount Eliza. Call one of our team or book an appointment at a time that works for you, and we will help you choose a term you are comfortable living with.

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