Most people spend more time choosing a car than they spend comparing home loans. That is a problem. A mortgage is likely the largest financial commitment you will ever make. A 0.5% difference in your interest rate on a $600,000 loan is roughly $3,000 per year. Over 25 years, that is $75,000. The best home loans are not just about the lowest rate. They match your income patterns, risk tolerance, and financial goals. This guide shows you exactly how to compare properly.
What Is the Difference Between a Variable and a Fixed Rate Loan?
Variable rate loans move with the cash rate set by the Reserve Bank of Australia. When the RBA cuts rates, your repayments drop. When it raises rates, they go up. Between May 2022 and November 2023, the RBA raised rates 13 times. Monthly repayments on a $500,000 variable loan increased by over $1,200 in that period. That is real money, and it hit without warning.
Fixed rate loans lock your rate for a set term, usually one to five years. Your repayments stay the same regardless of what the RBA does. That predictability has real value for budgeting. The trade-off is that you cannot fully benefit from rate cuts during your fixed term, and break costs if you exit early can be significant. Some lenders charge tens of thousands in break fees. Read the fine print before you lock in.
Split loans combine both. A portion is fixed, a portion is variable. This reduces your exposure to rate rises while keeping some flexibility. It is not a perfect solution, but it is a considered one that suits many borrowers.
What Does the Comparison Rate Actually Tell You?
The comparison rate is a legal requirement in Australian loan advertising. It combines the interest rate with most fees to give a single annual percentage rate. It is more useful than the headline rate alone. A loan advertised at 5.89% with an annual fee of $400 might have a comparison rate of 6.15%. That difference matters.
But the comparison rate has limits. It is calculated on a standardised $150,000 loan over 25 years. If your loan is $600,000 over 30 years, the comparison rate is not directly applicable. Large ongoing fees hit smaller loans harder in percentage terms. This is why you still need to calculate actual costs for your specific loan amount and term.
Offset accounts are another variable the comparison rate does not capture. An offset account reduces the interest calculated on your loan by keeping your savings balance against your loan balance. On a $600,000 loan with $40,000 in an offset account, you are only paying interest on $560,000. This feature is genuinely valuable and can save more than a small rate difference over the life of the loan.
What Fees Should You Map Out Before Choosing a Loan?
Application fees vary from zero to over $800 depending on the lender. Some waive them. Others do not and call them establishment fees. Ask explicitly. Upfront fees matter less than ongoing ones but still count in your total cost calculation.
Annual package fees are common on professional packages that bundle discounts. A typical package fee is $395 per year. The package must save you more than that annually through rate discounts or account benefits to be worth it. Do the maths specifically for your situation, not based on the lender’s marketing materials.
Valuation fees, legal fees, and settlement fees add up at settlement. Budget $500 to $2,000 for these on top of any lender fees. Some lenders absorb these costs. Others pass them through. Get a full fee schedule in writing before you commit.
How Do You Know If Your Loan Features Actually Match Your Life?
Redraw facility lets you access extra repayments you have made. If you overpay your loan and then need cash for an emergency, redraw lets you pull that money back. This is different from an offset account, which sits separately. Some lenders charge for redraw. Others make it free. Know which you have.
Repayment flexibility matters if your income varies. Self-employed borrowers, contractors, and commission-based earners benefit from loans that allow extra repayments without penalty and flexible repayment schedules. Standard loans built for salary earners do not always accommodate income variability well.
Portability allows you to take your loan with you if you move. This avoids full refinancing costs when you buy a new property. Not all lenders offer portability. If you plan to upsize or relocate within your loan term, this feature is worth prioritising even at a small cost to your rate.
What Role Does Your Credit Score Play in the Comparison?
Your credit score directly affects what rate you are offered. Australian lenders use a score from zero to 1,200. A score above 800 gives you access to most competitive products. A score between 500 and 700 narrows your options and typically costs you a higher rate. Below 500, some mainstream lenders decline entirely.
Check your score before applying. Equifax, Experian, and illion all provide free credit reports annually. Errors on credit reports are more common than most people realise. A CHOICE investigation found that one in five Australians had an error on their credit file. Correcting an error before application can meaningfully improve your borrowing options.
Multiple loan applications can hurt your score. Each hard inquiry from a lender leaves a mark. Applying to five lenders in a week signals financial stress to credit agencies. Use a mortgage broker who can shop your application to multiple lenders with a single soft inquiry before you formally apply.
How Should You Think About the Loan Term?
A 30-year loan has lower monthly repayments than a 25-year loan, but costs significantly more in total interest. On a $600,000 loan at 6%, the difference between a 25-year and 30-year term is approximately $85,000 in total interest paid. Lower monthly repayments feel comfortable today. That extra $85,000 is real money leaving your household over time.
If your budget allows, choose the shorter term or make additional repayments on a longer loan to effectively shorten it. Even an extra $200 per month on a $600,000 loan reduces the loan term by around three years and saves over $40,000 in interest. The maths here is always worth running before you sign.
