Small extra repayments can save tens of thousands in interest and cut years off your home loan. See the maths, examples and smart strategies here.

Small extra repayments on your home loan can save tens of thousands of dollars in interest and cut years off your loan term. On a $600,000 loan at 6.09 per cent over 30 years, adding $200 extra per month could save around $109,000 in interest and pay off the loan nearly 4 years sooner. Switching from monthly to fortnightly repayments works the same way, because 26 fortnightly payments equal 13 monthly payments, one extra month of repayments every year. This guide explains the maths, the strategies, and how offset accounts, redraw and rate reviews compound the saving further.

What Is an Extra Repayment Calculator

An extra repayment calculator helps you estimate how much interest you could save and how many years you could trim off your home loan by paying a little extra. It lets you compare strategies in seconds before committing to any of them.

Your standard home loan repayment is the minimum amount your lender requires each cycle to clear the debt by the end of your loan term. Anything you pay above that minimum reduces the principal directly and stops interest accruing on that portion of the loan.

There are four common strategies worth modelling. Adding a regular extra amount to your weekly, fortnightly or monthly repayment. Switching from monthly to fortnightly repayments. Making a one-off lump sum repayment, such as a tax refund or bonus. Or combining strategies to reach your debt-free goal even faster.

Quick example. On a $600,000 home loan at 6.09 per cent over 30 years, adding just $200 extra per month could save around $109,000 in interest and pay off your loan nearly 4 years sooner. The earlier you start, the bigger the saving. Try the numbers on your own loan with our extra repayment calculator.

Benefits of Making Extra Repayments

Australian families who pay even a small amount extra into their home loan can build wealth faster, reach financial freedom earlier and feel more secure along the way. Here is how it stacks up.

Every extra dollar reduces your principal, and less principal means less interest charged for the rest of your loan. Over 30 years, the savings compound into a significant amount. Bringing forward your debt-free date by even three to five years gives you back a huge chunk of working life with no mortgage repayments hanging over you.

Equity is the part of your home you actually own, and faster equity growth opens doors to refinancing on better rates, investing, renovating or upgrading sooner. If your loan has a redraw facility, money you paid in advance is still available for emergencies, renovations or family priorities while it works hard for you in the meantime.

A shorter loan term also means less exposure to future interest rate rises, and borrowers who are ahead of schedule sleep better when rates move up. Whatever your goal- retirement, an investment property, a family holiday or starting a business- paying down debt faster makes the next step possible sooner.

Real-life style example. Anika and Sam took out a $750,000 home loan in Sydney over 30 years. After their first salary review, they added $150 extra each fortnight to their repayments. Based on a 6 per cent rate, they could be looking at interest savings of around $165,000 and finishing the loan about 5 and a half years sooner. That is potentially their kids’ high school fees fully covered.

Switching to Fortnightly Repayments

One of the simplest ways to pay off your home loan sooner takes almost no effort. Just split your monthly repayment in half and pay it every fortnight instead.

The maths is straightforward once you see it. Monthly repayments equal 12 payments per year, while fortnightly repayments equal 26 payments per year. Half your monthly amount paid fortnightly equals 13 monthly repayments worth over a year, and that extra month of repayments each year goes straight to reducing your principal.

Over the life of a typical 30-year loan, that one extra month of repayments each year can shave four to six years off your loan term and save you tens of thousands in interest.

Worked example. On a $600,000 home loan at 6.09 per cent for 30 years, the monthly repayment is around $3,632. Paying half that amount, $1,816, every fortnight instead, you could save around $153,000 in interest and pay off the loan 5 years 6 months earlier.

Worth knowing before you switch. Some lenders calculate fortnightly repayments as your monthly amount divided by 2.1667, which removes the extra month benefit. Make sure your lender uses the genuine half-monthly approach. A Laxmi Home Loans broker can check your loan and set this up correctly with your lender.

Offset Accounts and Redraw Facilities Explained

Two of the most powerful features on a modern Australian home loan can quietly cut years off your loan, especially when paired with regular extra repayments. They sound similar but work differently.

An offset account is a separate everyday transaction account linked to your home loan, where the balance offsets your loan principal for interest calculations. For example, $50,000 in offset on a $500,000 loan means interest is charged on $450,000 only. Funds are easy to access from a debit card or transfer; salary and savings can sit here while reducing interest, and it is generally tax-friendly for owner-occupied loans, though annual or monthly fees may apply on some packages.

A redraw facility lets you pull back extra repayments you have already made if you need them later. Extra repayments reduce your loan and interest immediately, and you can redraw the surplus if circumstances change, though some lenders charge a fee per redraw or set minimum amounts, and not all loans offer redraw on fixed rate products.

Whether an offset account or a redraw facility suits you depends on your savings habits, whether you keep large balances on hand, fee structures, and whether the loan is for an owner-occupied home or investment property. For investors specifically, our offset versus redraw calculator explains why offset often preserves tax deductibility where redraw can complicate it.

A Lower Interest Rate Can Supercharge Your Savings

Extra repayments work harder when paired with a competitive interest rate. Reviewing your rate every 12 to 18 months is one of the easiest ways to save thousands more.

Many Australian borrowers stay on the same loan for years without checking whether the rate is still competitive. Lenders often offer their sharpest pricing to new customers while existing loans drift along on a higher rate. Even a small reduction in your rate can deliver large savings when applied across decades.

Compare rates regularly. A 0.25 per cent reduction on a $600,000 loan could save around $35,000 over a 30-year term. Review your loan features too, since an offset account, free redraw, no annual fees and a competitive comparison rate matter as much as the headline rate. A mortgage broker can negotiate with your current lender for a discretionary discount before considering a full refinance, and if your lender will not match the market, refinancing could be the smartest move. Watch the small print, since switching costs, break fees on fixed loans, and LMI on a higher LVR can offset the saving, which is exactly why a broker runs the numbers properly before recommending a switch. Our refinance page covers what to check.

How small rate cuts compound. Refinancing a $600,000 loan from 6.50 per cent down to 5.99 per cent could save approximately $73,000 in interest across a 30-year term. Add an extra $200 per month on top, and the combined saving climbs well beyond $180,000.

A Note on Interest Only Loans

Interest only loans have their place, particularly for property investors during accumulation phases. For owner occupiers, they need careful thought because they do not reduce the loan balance during the interest-only period.

With an interest-only loan, your monthly repayment covers only the interest, not any of the principal, so your loan balance stays the same. When the interest-only period ends, you switch to principal and interest, often with a higher repayment because the original term is now shorter. This can result in higher total interest paid across the life of the loan, a sudden jump in monthly repayments when the interest-only period ends, and slower wealth building because equity does not grow through repayments.

Educational note, not advice. Principal and interest loans generally clear debt faster and cost less interest overall. Interest-only loans suit specific strategies and circumstances. Always understand exactly how your loan is structured and what happens when interest-only ends. If you are unsure whether your current loan structure suits your goals, a Laxmi Home Loans broker can review it free of charge. Our guide to fixed, variable and split investment loans covers structure decisions in more depth.

Review Your Home Loan Every Year

A home loan is not a set-and-forget product. The Australian lending market changes constantly. The best loan for you today may not be the best one in two years. An annual review keeps you ahead.

Start by checking your rate, comparing your current variable or fixed rate against current market offers from major and smaller lenders. Audit your fees, since annual package fees, monthly account fees and offset fees can quietly eat into savings from a low rate. Match your loan features, confirming your offset, redraw, repayment flexibility and any extra repayment caps still suit your goals. And refresh your strategy, updating your repayment plan if your income, family or property situation has changed in the past year.

A free annual review with a Laxmi Home Loans broker gives you a clear picture of what your loan is costing you and what you could save by adjusting structure, lender or repayment style.

Frequently Asked Questions

Make Every Extra Dollar Count

Get a free home loan health check with Laxmi Home Loans. We compare your current loan against more than 50 lenders, find smart ways to save, and set up a repayment strategy that suits your real life.

Estimates only. The figures shown in this article and produced by the extra repayment calculator are estimates only, based on standard assumptions. They are not a quote, pre-approval, financial advice or a commitment to lend by any party. This information is general in nature and does not take into account your personal objectives, financial situation or needs. Before acting on any information here, consider whether it is appropriate for you having regard to your circumstances, and read the relevant credit contract terms, fees and conditions in full. You should obtain personal financial, tax and legal advice before making any decision. A qualified Laxmi Home Loans mortgage broker can help you compare options across more than 50 lenders. Laxmi Home Loans is the trading name of Mero Chino Groups Pty Ltd, ABN 76 169 013 012, Credit Representative No. 476974 under Australian Credit Licence 383640.