Debt consolidation combines multiple debts into one loan — but it only saves money if the new rate is genuinely lower and you close the old accounts. This guide shows the maths, the traps, and when it makes sense.
Debt consolidation takes multiple debts — typically credit cards, personal loans, buy-now-pay-later balances — and combines them into a single loan at a single interest rate. The goal is to reduce the average interest rate across your debts, simplify your repayments to one amount, and potentially lower your total monthly payment.
It does not reduce your total debt balance. You still owe the same amount — you are simply restructuring who you owe it to and at what rate.
Enter your current debts and a new consolidation rate to see your potential interest saving.
Open Debt Consolidation Calculator →Borrowing a personal loan at 7-15% p.a. to pay off 20%+ credit card debt is the most straightforward consolidation. Australian personal loan rates as of 2026 range from approximately 7% for secured loans to 20%+ for unsecured loans for borrowers with poor credit. Even an unsecured personal loan at 12% saves significantly versus a standard credit card at 20%.
| $20,000 Debt Scenario | Credit Card at 20% | Personal Loan at 11% |
|---|---|---|
| Monthly payment ($400/month) | $400 | $400 |
| Years to repay | ~7.5 years | ~5 years |
| Total interest paid | ~$16,000 | ~$5,800 |
| Interest saved | — | ~$10,200 |
Moving debt to a 0% balance transfer card works well for disciplined borrowers who can clear the balance within the promotional window (typically 6–24 months). Transfer fees of 1–3% apply but are small compared to avoiding 20% interest.
Refinancing unsecured credit card debt into your home loan gives the lowest interest rate (6.5% vs 20%), but converts unsecured debt to secured debt. If you cannot maintain repayments, the debt is now secured against your home. It also extends the repayment period — a $15,000 card debt rolled into a 25-year mortgage at 6.5% costs about $15,000 in interest alone.
For people who genuinely cannot service their debts, a Part IX debt agreement (administered by AFSA) or a payment arrangement negotiated through a financial counsellor may be appropriate. These are formal arrangements that affect your credit file. The National Debt Helpline (1800 007 007) provides free advice.
Consolidation saves money when: (1) the new interest rate is genuinely lower than your current weighted average rate, and (2) the loan term isn't extended so long that lower monthly payments result in more total interest over a longer period.
Rolling credit card and personal loan balances into your mortgage is the consolidation option that most reliably lowers the monthly payment, and it is also the one that most often ends badly.
If you do consolidate into a mortgage, the arithmetic only works if you continue paying the old repayment amount rather than the new lower one. Almost nobody does. The freed-up cash flow is absorbed, and the debt is quietly repaid over decades.
A zero per cent balance transfer offer is genuinely useful for someone with a clear repayment plan and the discipline to execute it. The traps are specific and predictable.
Under comprehensive credit reporting in Australia, your file records applications, account openings, credit limits, and repayment history.
A consolidation application is a credit enquiry. Several applications in a short period can be read as a signal of financial stress, which is precisely the opposite of what you want when applying. Use indicative rate tools that involve a soft enquiry to narrow your options before formally applying anywhere.
Closing accounts after consolidating generally helps, because available credit limits — not just balances — are assessed when a future lender considers your capacity to borrow.
Debt consolidation is a refinancing exercise. It changes the interest rate, the term, and the number of payments. It does not change why the debt accumulated.
If the debt arose from spending that exceeds income, consolidation frees up cash flow that will be spent, and the original balances will rebuild alongside the consolidation loan. This is the most common outcome, and it leaves the borrower substantially worse off than before.
Consolidation works when it accompanies a change: a budget that balances, the cards closed, and the freed cash flow directed at the debt rather than absorbed.
Australian credit providers have hardship obligations. If you are having difficulty meeting repayments, you can request a hardship variation, and doing so early gives you more options than doing so after arrears accumulate.
Free, independent, confidential financial counselling is available through the National Debt Helpline on 1800 007 007. Financial counsellors are not lenders and are not selling anything. They can negotiate with creditors, explain hardship provisions, and outline options — including some that are better than consolidation — that a lender has no incentive to mention.
Be cautious of any commercial service charging fees to arrange a "debt agreement" or to negotiate on your behalf. The same assistance is available at no cost.
Consolidation makes sense when the new facility genuinely carries a lower total cost across its full term, the old accounts are closed, and the spending that created the debt has stopped. On those conditions it simplifies repayment and reduces interest.
It goes wrong when unsecured debt is secured against a home, when a lower repayment disguises a longer term and higher total interest, or when the cards are left open. Compare total cost over the full term, not the monthly figure.
This page provides general information only and is not financial advice. If you are under financial pressure, contact the National Debt Helpline on 1800 007 007 before refinancing.
What is debt consolidation?
Debt consolidation means combining multiple debts — credit cards, personal loans, buy-now-pay-later — into a single loan, ideally at a lower interest rate, to reduce total interest paid and simplify repayments to one regular payment.
Does debt consolidation hurt your credit score in Australia?
Applying for a new consolidation loan results in a credit enquiry that can temporarily reduce your score. However, reducing your total credit card utilisation by paying off cards, and making consistent repayments on the consolidation loan, typically improves your score over 6-12 months.
What is the best debt consolidation option in Australia?
The best option depends on your total debt, credit score, and asset situation. Personal loans at 7-12% p.a. suit most unsecured debt consolidation. Balance transfers suit people who can repay within 6-24 months. Mortgage refinancing (debt-to-home) offers the lowest rate but secures previously unsecured debt against your home.
How do I consolidate credit card debt in Australia?
Apply for a personal loan or balance transfer card with a lower rate than your current cards. Use the funds to pay off all card balances in full. Crucially: close or reduce the limits on those cards immediately to prevent re-spending on credit, which would leave you worse off than before.
Illustrative ordering. Both methods pay minimums on every debt; they differ only in where the extra payment goes first.