How to Refinance to Consolidate Debt

If you're making separate repayments on a home loan, credit card, car loan, and maybe a personal loan, you're likely paying far more interest than you need to. Refinancing to consolidate debt brings those separate debts under one home loan, usually at a much lower rate, and can cut your monthly outgoings by hundreds or even thousands of dollars.

Why Consolidate Debt Through a Refinance

Consolidating debt through a refinance replaces high-interest debts with a single home loan at a lower interest rate. Credit cards often charge 18% to 22%, while a home loan might sit closer to 6% or 7%. Moving $30,000 from credit cards into your mortgage could save you more than $4,000 a year in interest alone. Beyond the saving, you're left with one repayment instead of juggling multiple due dates across different lenders.

How Consolidating Debt Into Your Mortgage Works

You're using the equity in your property to pay out other debts. A lender values your home, works out how much equity you have, and lets you borrow against it to clear credit cards, car loans, or personal debts. The outstanding balance on those debts is then added to your new home loan amount. You end up with a single loan, one repayment, and usually a much lower interest rate than the debts you've just cleared.

Consider someone who owes $25,000 on a credit card at 20% interest and $15,000 on a personal loan at 12%. Their monthly repayments might total around $1,400. If they refinance and roll that $40,000 into a mortgage at 6.5%, the repayment on that portion drops to around $250 a month over the remaining loan term. That's more than $1,000 a month back in their pocket, which can go toward building savings or paying down the loan faster.

When Refinancing to Consolidate Debt Makes Sense

Debt consolidation through refinancing works when you have enough equity in your home and when the interest you're currently paying on other debts is significantly higher than your home loan rate. If you're managing repayments across multiple debts and feeling the pinch each month, consolidating can improve cashflow immediately. It also makes sense when those debts are costing you more than the small increase in your mortgage repayment would.

It doesn't make sense if you're close to paying off a low-rate debt, or if consolidating would push your loan-to-value ratio above 80% and trigger lenders mortgage insurance. You also need to be confident you won't rack up the credit cards again once they're cleared. We regularly see people consolidate, then rebuild the same debt within a year or two. That leaves them worse off than before.

What Lenders Look at When You Apply

Lenders assess your income, expenses, and credit history just like any other refinance. They also want to know what the debt is for and whether you've been managing repayments. If you've missed payments or defaulted, some lenders will decline the application. Others will still lend but at a higher rate or with conditions. Your borrowing capacity matters too. The lender needs to be confident you can afford the new loan amount, which now includes the consolidated debt, based on your income and regular expenses.

A property valuation is part of the process. The lender needs to confirm your home is worth enough to support the increased loan. If the valuation comes in lower than expected, you might not have enough equity to consolidate everything, or you may need to leave some debts out of the refinance.

The Real Cost of Extending Debt Over a Longer Term

When you roll a car loan or credit card into a 30-year mortgage, you're spreading that debt over a much longer period. A $20,000 car loan over five years might cost you $22,000 in total. Roll it into a mortgage over 25 years, and even at a lower rate, you could end up paying $28,000 or more in total because of the extended term. Monthly repayments drop, but the overall cost can climb if you don't actively pay it down faster.

One way around this is to keep making the same total monthly repayment you were making before. If you were paying $2,000 a month across all your debts, keep paying $2,000 into the mortgage after consolidating. The difference now is that the full amount goes toward one loan at a lower rate, so you'll pay it off faster and save more in interest. If your home loan has an offset account or redraw, you can also park extra cash there to reduce the interest charged without locking the funds away.

How a Loan Health Check Fits Into Consolidation

Before refinancing to consolidate debt, a loan health check can show you whether your current loan structure is working in your favour or costing you more than it should. It compares your rate, fees, and features against what's available now, and highlights whether consolidating debt through a refinance would actually improve your position. Sometimes the rate difference isn't enough to justify the cost of refinancing. Other times, you'll find you've been paying thousands more than you needed to, and consolidating is just one part of a bigger restructure that saves you money every month.

Refinancing Application Process for Debt Consolidation

The refinance process starts with working out how much you owe, how much equity you have, and what you want to achieve. You'll need to provide recent payslips, bank statements, details of all your current debts, and proof of your property's value. Once you've chosen a lender, they'll assess your application, order a valuation, and issue a formal approval. Settlement usually takes three to six weeks, depending on how quickly documents move between lenders.

Once the new loan settles, the lender pays out your old mortgage and your nominated debts. You're then left with one loan and one repayment. Make sure you confirm each debt has been cleared and close any credit card accounts you don't need. Leaving them open can tempt you to rebuild the same debt, which defeats the purpose of consolidating in the first place.

What Happens After You Consolidate

After consolidating, your monthly repayment will be lower, but the temptation to treat that extra cashflow as spending money is strong. If you don't change the habits that built up the debt, you'll end up in the same position within a couple of years. Set up a budget that accounts for your new repayment and directs the difference toward savings or additional loan repayments. If your loan has redraw or an offset, use it. Every dollar sitting in offset is a dollar not being charged interest.

If your circumstances change and you need access to funds again, you'll have options. You might be able to redraw from your home loan if you've been making extra repayments, or you could apply for a small top-up. Either way, you're borrowing at home loan rates, not credit card rates, which keeps the cost manageable. If you've recently come off a fixed rate period, refinancing to consolidate debt can also be a good time to reassess your loan structure and lock in a rate that suits your current situation.

Call one of our team or book an appointment at a time that works for you, and we'll walk through your numbers to see whether consolidating debt through a refinance would put you in a stronger position.

Frequently Asked Questions