How to Consolidate High-Interest Debt With a Mortgage Refinance

Carrying credit card balances, personal loans, and lines of credit at double-digit interest rates is expensive. For many Ontario homeowners, the solution is sitting right in the equity they have already built in their home. A mortgage refinance can roll that high-interest debt into a single, lower-rate payment — but only if you understand how it works and whether it makes sense for your situation.

This article walks you through the mechanics, the costs, the risks, and the steps involved in using a mortgage refinance to consolidate debt.

What Is a Mortgage Refinance?

Refinancing means replacing your existing mortgage with a new one, typically at a different rate, term, or loan amount. When you refinance to consolidate debt, you borrow more than what you currently owe on your home and use the difference to pay off other obligations.

For example, if your home is worth $700,000 and you owe $400,000 on your mortgage, you have significant equity. Depending on how much of that equity is accessible, you could refinance to $500,000, receive $100,000 in proceeds, and use those funds to eliminate credit card balances, car loans, or other high-rate debts.

Why the Math Often Works in Your Favour

Mortgage interest rates are almost always dramatically lower than the rates charged on consumer debt. Credit cards routinely carry rates above 19 percent. Personal loans and retail financing can run anywhere from 9 to 29 percent depending on your credit profile. A secured mortgage, by contrast, is backed by real property, which is why lenders price it at a much lower rate.

Consolidating $60,000 of credit card and personal loan debt into your mortgage can reduce the interest you pay on that amount substantially — sometimes cutting the cost in half or more. The result is a single monthly payment that is often lower than the combined minimums you were making before.

How Much Equity Can You Access?

In Canada, federally regulated lenders allow you to refinance up to 80 percent of your home's appraised value. This threshold is set by OSFI (the Office of the Superintendent of Financial Institutions) and applies to all Schedule I banks.

Using round numbers:

• Home value: $700,000
• Maximum refinance (80%): $560,000
• Current mortgage balance: $400,000
• Maximum cash available: $160,000

If you only need $80,000 to clear your debts, you are well within that limit. If your existing mortgage is already close to 80 percent of your home's value, your options narrow and you may need to explore alternative lenders or a Home Equity Line of Credit (HELOC) instead.

The Costs You Need to Account For

A refinance is not free. Before you move forward, understand what it will cost you:

• Mortgage prepayment penalty: If you are breaking a fixed-rate mortgage before its maturity date, your lender will charge a penalty. This is often calculated as the greater of three months' interest or the Interest Rate Differential (IRD). The IRD penalty can be substantial on fixed-rate mortgages and should be calculated before you commit.
• Appraisal fee: Lenders require an independent appraisal of your property, typically ranging from $300 to $600.
• Legal fees: A refinance requires a real estate lawyer to register the new mortgage, which generally costs $800 to $1,500 in Ontario.
• Mortgage broker or lender fees: In most cases, a mortgage broker is compensated by the lender at no direct cost to you, but some alternative lenders charge lender fees that are worth clarifying upfront.

These costs are real, but they are often recouped within months through the interest savings on your consolidated debt.

Qualifying for a Refinance

Qualifying for a refinance is similar to qualifying for a purchase mortgage. Your lender or broker will look at:

• Income: You need to demonstrate sufficient income to support the new, larger mortgage payment. Salaried borrowers typically need T4s and a letter of employment. Self-employed borrowers may need two years of Notices of Assessment.
• Credit score: A stronger credit score unlocks better rates and more lender options. Many lenders require a minimum score of 620 to 680 for a refinance, though alternative lenders may work with lower scores at higher rates.
• Stress test: Under the federal mortgage stress test, you must qualify at the higher of your contract rate plus two percent or the Bank of Canada's minimum qualifying rate. This ensures you can handle a rate increase.
• Debt service ratios: Lenders calculate your Gross Debt Service (GDS) and Total Debt Service (TDS) ratios. When you consolidate debt into the mortgage, the debts you are paying off are removed from the TDS calculation, which can actually improve your ratios.

When a Debt Consolidation Refinance Makes Sense

This strategy works best when:

• You have meaningful equity in your home (at least 20 percent after the refinance)
• Your consumer debt carries a rate significantly higher than current mortgage rates
• You have a stable income and can qualify under the stress test
• Your mortgage is near renewal, so the prepayment penalty is minimal or zero
• You have a plan to avoid accumulating new consumer debt after consolidating

When You Should Think Twice

Debt consolidation through refinancing is not always the right answer. Be cautious if:

• Your mortgage is mid-term and the prepayment penalty will eat most of your savings
• You are close to paying off your consumer debts anyway
• Consolidating will extend your debt repayment over 25 years when you were otherwise months away from being debt-free
• You have not addressed the spending habits or financial circumstances that created the debt in the first place

Converting unsecured debt into secured debt tied to your home also means your home is now at risk if you cannot make payments. This is not a decision to take lightly.

Alternatives Worth Considering

If a full refinance is not appropriate, other options include:

• HELOC (Home Equity Line of Credit): Lets you access equity without breaking your mortgage. You only pay interest on what you draw.
• Second mortgage: A separate loan registered behind your first mortgage, useful when breaking your first mortgage carries a heavy penalty.
• Mortgage blend-and-extend: Some lenders allow you to blend your existing rate with a new rate and extend the term, sometimes without a penalty.

Your mortgage broker can model each option and show you exactly which approach saves the most money in your specific situation.

A Practical Step-by-Step Plan

1. List all your debts, balances, and interest rates.
2. Get an estimate of your home's current market value.
3. Calculate your existing mortgage balance and remaining term.
4. Ask your current lender for a prepayment penalty quote.
5. Speak with a mortgage broker to compare refinance options across multiple lenders.
6. Run the numbers: total cost of refinancing versus total interest savings over the term.
7. If the numbers work, proceed with a formal application and appraisal.

The Bottom Line

For Ontario homeowners carrying expensive consumer debt, a mortgage refinance can be one of the most effective financial tools available. Done correctly, it simplifies your obligations, reduces your monthly cash outflow, and dramatically lowers the interest you pay. Done without proper planning, it can extend your debt unnecessarily or expose you to costs that outweigh the benefit.

The key is getting the right advice before you commit.

If you are ready to explore whether a debt consolidation refinance makes sense for your situation, the team at Empower Approved Mortgage Solutions is here to help. Contact Sunny Singh and the Empower Approved team by email at sales@empowerapproved.ca or by phone at (647) 775-0823. We will review your full financial picture, compare options across our lender network, and give you a clear recommendation — no pressure, no guesswork.