Debt Consolidation Guide: Combine Your Debts Into One Manageable Payment

Managing multiple debts with different interest rates, payment dates, and minimum amounts creates financial stress that extends beyond the numbers. The mental load of tracking credit cards, personal loans, car finance, and perhaps a buy now pay later balance can feel overwhelming, even when you're technically keeping up with payments.

Debt consolidation offers a pathway to simplify this complexity by combining multiple debts into a single loan with one regular payment. When structured correctly, consolidation can dramatically reduce your monthly outgoings while putting you on a clear path to becoming debt-free.

At Mortgage & Finance Advisory, we help clients navigate debt consolidation with strategies tailored to their specific circumstances. The difference between a well-structured consolidation and a poorly executed one can amount to tens of thousands of dollars over the loan term.

Understanding Debt Consolidation

Debt consolidation is the process of combining multiple debts into a single loan, typically secured against your property. Rather than juggling several creditors with varying interest rates, you end up with one lender, one interest rate, and one monthly payment.

The primary appeal lies in interest rate arbitrage. Credit cards commonly charge 18-22% interest annually. Personal loans range from 8-15%. Store cards and buy now pay later services can carry effective rates even higher. Meanwhile, home loan rates currently sit around 6-7% for owner-occupied properties.

By refinancing your mortgage to incorporate these debts, you effectively replace high-interest obligations with lower-cost funding secured against your property. The mathematics can be compelling: $50,000 in credit card debt at 20% costs $10,000 annually in interest alone. The same amount at 6.5% costs $3,250 - a saving of $6,750 per year.

Types of Debt That Can Be Consolidated

Most personal debts can be incorporated into a consolidation refinance, though lender policies vary on certain debt types. Common debts suitable for consolidation include credit cards from any provider, personal loans whether secured or unsecured, car loans and vehicle finance, store cards and retail credit, buy now pay later accounts such as Afterpay and Zip, medical bills and dental finance, family loans (though some lenders exclude these), and overdue utility accounts.

Some lenders have specific policies around consolidating ATO debt or business-related obligations. These can often still be managed but may require particular structuring or lender selection.

The Real Cost of Multiple Debts

Consider a common scenario we encounter. A household carries a $12,000 credit card balance at 21%, a $15,000 personal loan at 12%, a $8,000 car loan at 9%, and $5,000 across various buy now pay later services. The total debt of $40,000 generates minimum monthly payments of approximately $1,850, with most of that covering interest rather than reducing principal.

The consolidated scenario shows monthly payments dropping from $1,850 to $680 - a reduction of $1,170 per month or over $14,000 annually. Interest costs fall from $5,640 to $2,600, saving more than $3,000 in the first year alone.

When Debt Consolidation Makes Sense

Ideal Candidates for Consolidation

Consolidation typically benefits those with substantial high-interest debt, generally $20,000 or more. If you're carrying smaller balances, the refinancing costs may outweigh the interest savings. However, the threshold varies based on your specific rates and circumstances.

Sufficient home equity is essential. Most lenders require your total borrowing (existing mortgage plus consolidation amount) to remain at or below 80% of your property's value. Those with higher equity have access to better rates and more lender options.

Stable income that supports the new loan structure matters significantly. While monthly payments typically decrease, lenders assess serviceability based on their own criteria. Self-employed borrowers or those with variable income may need specialist lender solutions.

When to Consider Alternatives

If your debts are relatively small (under $10,000-15,000) and you can clear them within 12-18 months through focused repayment, the costs of refinancing may exceed the benefits. Similarly, if you're within a few years of paying off your mortgage entirely, extending the term to consolidate debts requires careful analysis.

The Debt Consolidation Process

Structuring Your Consolidation Effectively

Split Loan Structures

One effective approach separates the consolidation amount from your core mortgage. Your existing home loan continues as before, while the consolidation portion sits in a separate split with a shorter term - perhaps 5-7 years. This ensures you don't extend short-term debt over three decades while still benefiting from the lower secured rate.

Offset Account Strategy

When consolidation reduces your monthly outgoings significantly, directing even a portion of those savings into an offset account accelerates debt reduction dramatically. For instance, consolidating $50,000 in debts might reduce monthly payments by $1,200. Parking just $600 of that saving monthly into offset means your effective debt reduces while maintaining improved cash flow.

Impact on Your Credit Score

The refinance application creates a credit enquiry, which may temporarily reduce your score by 5-10 points. However, within 3-6 months of consolidation, most clients see their credit scores improve due to dramatically reduced credit utilisation, fewer accounts requiring management, and consistent payment history on the consolidated loan.

Debt Consolidation with Credit Impairment

Having existing credit issues doesn't necessarily prevent consolidation, though it changes the available options. Minor credit issues like paid defaults under $500-1,000 may not prevent mainstream lender approval. Larger paid defaults or recently cleared issues may require specialist lender solutions at higher rates, but can still achieve significant savings compared to credit card rates.

Avoiding Common Pitfalls

Running Up New Debt

The most common pitfall: consolidating credit cards, then gradually re-accumulating balances on those now-cleared cards. This leaves you with both the consolidated mortgage debt and new card balances - worse off than before. We discuss strategies including whether to close cards entirely or reduce limits significantly.

Focusing Only on Monthly Payments

Lower monthly payments provide immediate relief but shouldn't be the only consideration. Total interest over the loan term matters too. We present both figures so you can make informed decisions about the trade-off between cash flow improvement and total cost.

Melanie McNaughton

Principal Lending Strategist

With over 12 years of experience across major banks and specialist lending, Melanie founded Mortgage & Finance Advisory to help Australians navigate complex lending scenarios.