Refinancing for Debt Consolidation

Rolling high-interest debts — credit cards, personal loans, car loans — into your home loan through refinancing can dramatically reduce your monthly repayments and interest rate. But it also carries real risks that are frequently overlooked. Here is an honest assessment of both sides.

How Debt Consolidation Through Refinancing Works

When you refinance to consolidate debt, you borrow additional money against your home to pay out the other debts. Your new home loan is larger than your old one by the amount of debt consolidated. The key benefit is that home loan interest rates (6–7%) are far lower than unsecured debt rates — credit cards at 18–22%, personal loans at 10–15%, car loans at 6–12%.

Example: $20,000 credit card debt at 20% costs approximately $4,000/year in interest. Rolling it into a home loan at 6.5% costs approximately $1,300/year in interest — a saving of $2,700/year, plus the minimum repayment on a home loan portion is far lower than the minimum credit card payment.

The Real Risk — Extending the Term

Here is the risk that is rarely emphasised: when you consolidate a $20,000 personal loan with 3 years remaining into a 30-year home loan, you are now paying interest on that $20,000 for 30 years, not 3. Even at the lower home loan rate, you will pay far more total interest over 30 years than you would have over the remaining 3 years of the personal loan.

Total interest on $20,000 over 3 years at 12% = approximately $3,900. Total interest on $20,000 over 30 years at 6.5% = approximately $25,500. The monthly saving is real — but the total cost has increased by over $21,000.

Making Consolidation Actually Work

Debt consolidation can be financially rational if you:

1. Direct the monthly repayment saving into extra mortgage repayments. If you were paying $1,500/month on credit cards and your consolidated mortgage repayment is only $1,200/month, pay $1,500/month toward the mortgage. You pay down the consolidated debt at the same pace and save on interest.
2. Close or freeze the cleared credit card accounts. Remove the temptation to rebuild the balance.
3. Set a target payoff date for the consolidated amount. Treat the consolidated portion as a separate goal with its own timeline.

What Lenders Require for Debt Consolidation Refinancing

• Sufficient equity in your property — the new loan must remain within LVR limits (typically 80% to avoid LMI)
• Income sufficient to service the larger loan amount at the stressed rate
• Evidence that the consolidated debts are genuine (lenders will want statements and confirmation of balances)
• In some cases, proof that the debts will be paid out at settlement (lenders may direct funds to creditors rather than to you)

Alternatives to Consider

If you do not have sufficient equity, or if consolidation into a 30-year mortgage seems like too long a tail, consider:

• A personal loan debt consolidation (lower rate than credit cards, shorter term than a mortgage)
• Balance transfer credit cards (0% interest for an introductory period — useful if you can pay off the balance during the interest-free window)
• Negotiating with your current credit card provider for a lower rate

Related Guides