How to Improve Your Credit Score in Australia (2025 Guide)

Quick Answer: To improve your credit score in Australia, the most impactful actions are: (1) Check your credit file for errors and dispute any inaccurate listings — this is free and can result in immediate score improvement; (2) Pay all bills and loan repayments on time — repayment history is now recorded and accounts for a significant portion of your score; (3) Reduce your number of credit applications — each application creates a hard enquiry that lowers your score temporarily; (4) If you have defaults or other serious negative listings, get a free assessment to determine whether they're removable — removal under the Privacy Act 1988 typically improves scores by 100–300 points; (5) Reduce outstanding balances on existing credit accounts where possible. Australians with defaults on their file typically see the most significant score improvement through removal rather than behavioural changes alone. Australian Credit Solutions (ASIC ACL 532003) offers a free credit assessment with no obligation.

A low credit score is not a permanent sentence. For most Australians, it's a reflection of specific events — a default, a period of late payments, too many credit applications — that can be addressed through specific actions. The question is knowing which actions have the most impact for your situation, and in what order to take them.

This guide covers every meaningful way to improve your credit score in Australia, the realistic timelines, and where professional help makes sense versus what you can do yourself at no cost.

How Australia's Credit Scoring System Works

Before taking action, it helps to understand what's actually being measured.

Australia operates a comprehensive credit reporting system. Since 2018, credit files have included not just negative information (defaults, court judgments, enquiries) but also positive data — your repayment history for each credit account, how much credit you currently have available, and how long your credit accounts have been open.

This shift, called Comprehensive Credit Reporting (CCR), means your score now reflects your behaviour over time, not just your mistakes. The major credit bureaus — Equifax, Experian, and illion — each calculate scores using slightly different models, which is why your score may differ across bureaus.

The factors that influence your Australian credit score include:

Step 1: Get Your Credit File and Find the Problems

You cannot improve a credit score you don't understand. Get your credit file from all three bureaus — Equifax, Experian, and illion — by requesting a free copy from each. This gives you a complete picture because not all credit providers report to every bureau.

Look for: defaults (any account listed as overdue by 60+ days), court judgments, multiple credit enquiries in a short period, repayment history with consistent late payments, and any listings that don't look right — incorrect amounts, accounts you don't recognise, debts that should have been paid off.

Each of these has a different response strategy, detailed below.

Step 2: Dispute Inaccurate Listings — This Has the Highest Impact

If you find inaccurate information on your credit file, disputing it is the single highest-impact action you can take. Removing a default typically improves a credit score by 100–300 points. Removing multiple negative listings can transform a score from below 500 to above 650 in a matter of weeks.

For simple factual errors — wrong amount, wrong person, debt already paid — a DIY dispute with the bureau is free and often effective.

For defaults where the credit provider may have breached required procedures under the Privacy Act 1988 — wrong address on the Section 21D notice, disputed debt listed, incorrect amount — a professional dispute is significantly more effective because it argues the legal case rather than just asking whether the listing is correct.

A free assessment from Australian Credit Solutions will identify which of your negative listings, if any, are removable and what the grounds are. This costs nothing and takes about 60 seconds.

Step 3: Build a Consistent Repayment Track Record

With Comprehensive Credit Reporting, your repayment history is now visible to lenders — not just whether you've had defaults, but whether you're paying on time every month. This creates an opportunity: consistent on-time payments now build positive credit history that helps offset older negative data.

What this means practically: pay every bill, loan repayment, and credit card balance on time, every month. Set up direct debits where possible to eliminate the risk of forgetting. Even if you have a default on your file, consistent current behaviour is visible and does improve your score over time.

The impact is cumulative and gradual — expect meaningful improvement over 6–12 months of consistent on-time payments. This is not as fast as removal of a negative listing, but it's something you control entirely.

Step 4: Limit New Credit Applications

Every time you apply for a credit product — a personal loan, car finance, credit card, home loan — a hard enquiry is recorded on your credit file. Hard enquiries remain on your file for 5 years and reduce your score, particularly when there are multiple in a short period.

Lenders also view multiple recent enquiries as a risk signal — it suggests you may be seeking credit from multiple sources, possibly because you're being rejected.

In the period when you're trying to improve your credit score, avoid applying for any credit products unless absolutely necessary. If you're working with a mortgage broker or finance broker, ask them to do a "soft" check first to assess your options before any formal applications are lodged.

Step 5: Reduce Outstanding Balances Where Possible

High credit card balances relative to your limits — called credit utilisation — negatively affects your score. If you have a $10,000 credit card limit and a $9,500 balance, that high utilisation is visible and damaging.

Where you have the financial capacity to do so, reducing outstanding balances improves both your credit profile and your overall debt position. Even moving a credit card from 90% utilisation to 50% can have a measurable score impact.

Timeline: What to Expect and When

The timeline for credit score improvement depends entirely on which actions you take and what's on your file.

The fastest and most significant improvements come from removing negative listings. Behavioural improvements through on-time payments are valuable but slower. If you have a default on your file and are trying to improve your score quickly, understanding whether that default is removable is the priority.

Real Story: From 471 to 694 in 54 Days

Marcus, a retail manager from Melbourne, had two listings dragging his score down: a $620 Dodo internet default from 2022 and a duplicate credit enquiry from a finance broker who had lodged applications with four lenders simultaneously without Marcus's knowledge. His Equifax score was sitting at 471, blocking a home loan pre-approval he needed to buy his first property.

Australian Credit Solutions assessed his file. Dodo had sent the Section 21D default notice to an old address despite Marcus having updated his contact details on the account — a clear Privacy Act 1988 breach. The duplicate enquiries were the result of a broker acting outside his instructions, giving grounds for a correction request. Both the default and the duplicate enquiries were removed in 54 days. Marcus's score went to 694, and his pre-approval was issued the following week.

Fast improvements come from removing what shouldn't be there — not just waiting and hoping.

Get a free assessment from Australian Credit Solutions →

Frequently Asked Questions

How long does it take to improve your credit score in Australia? It depends on the cause. Removing an inaccurate or procedurally invalid default takes 30–90 days and typically results in 100–300 point improvements. Building positive repayment history takes 6–12 months of consistent on-time payments for a meaningful effect. Waiting for a valid default to expire takes up to 5 years from the listing date.

What is a good credit score in Australia? Credit score ranges differ by bureau. Equifax scores range from 0–1,200, and Experian scores from 0–1,000. Generally, scores above 625 (Equifax) are considered average or better, and scores above 750 are considered good to excellent. The range you need for a standard home loan approval varies by lender.

Does checking your own credit score affect it? No. Checking your own credit file or score is a "soft" enquiry and has no impact on your score whatsoever. Only applications for credit products (hard enquiries) affect your score.

Can I improve my credit score if I have a default? Yes — but behavioural improvements alone (on-time payments, reduced enquiries) have a limited effect while a default remains on your file. The default itself is the most significant negative factor, and removing it is the most effective lever for score improvement. A free assessment can tell you whether your default is removable.

Does having multiple credit cards hurt your score? Multiple credit cards are not inherently negative — what matters is the balance relative to your limits and your repayment behaviour. High utilisation across multiple cards is more damaging than the number of cards itself. Closing credit card accounts can actually reduce your total available credit, which can lower your score — so don't close accounts just to appear to have less credit.

Is it possible to have a credit score above 700 with a default on file? Technically possible but uncommon, because a default is one of the most significant negative factors in Australian credit scoring. Most people with an active default have scores below 600. Removing the default is the most direct path to a score above 700.

The Fastest Way to Improve Your Score Is to Fix What's Wrong First

Before spending months building positive history, find out whether anything on your file should be removed. A single default is often enough to be the difference between loan approval and rejection — and if that default has legal grounds for removal, waiting is unnecessary.

Australian Credit Solutions is ASIC-licensed (ACL 532003), lawyer-led, and has improved the credit scores of over 5,000 Australians since 2014. Our assessment takes 60 seconds, costs nothing, and tells you exactly what we can and can't help with.

Get My Free Assessment → 📞 0489 265 737 🛡️ ASIC Licensed ACL 532003 | ⭐ 4.9/5 from 976+ Reviews | 🏆 Award Winner 2022–2024

Australian Credit Solutions Pty Ltd holds Australian Credit Licence ACL 532003. Credit repair services are subject to individual assessment. Results may vary. This article provides general information only and does not constitute legal or financial advice.

Related reading: Free Credit Repair Options → | How Long Do Credit Listings Last in Australia? → | Default Removal →