Pros and Cons of Refinancing a Mortgage in Canada

Pros and Cons of Refinancing a Mortgage in Canada

Refinancing a mortgage can help Canadian homeowners lower their borrowing costs, reduce monthly payments, consolidate expensive debt, access home equity or change their mortgage terms. The main disadvantages are prepayment penalties, closing costs, stricter qualification and the possibility of paying more interest over time.

The decision should be based on the total cost of the new mortgage, not only the new rate or monthly payment. Compare the penalty and fees with the expected savings, and consider how long you expect to keep the mortgage.

What Does It Mean to Refinance a Mortgage?

Mortgage refinancing means replacing your existing mortgage with a new mortgage. The new loan can have a different balance, interest rate, lender, term, amortization period or rate type.

Refinancing is different from a regular mortgage renewal. At renewal, the existing term has ended, so you can usually negotiate new terms or switch lenders without an early-payment penalty. Refinancing during a closed mortgage term normally requires breaking the current contract, which may trigger a prepayment charge.

Pros and Cons at a Glance

Refinancing can lower borrowing costs, improve monthly cash flow, consolidate higher-interest debt and provide access to home equity. It can also create significant costs through penalties and fees, increase the mortgage balance, extend the repayment period and put more debt against the home.

How Much Does Mortgage Refinancing Cost?

The largest cost is often the prepayment penalty, but the full calculation should include every one-time expense.

The break-even period can be estimated using:

Total refinancing costs ÷ monthly savings = approximate break-even period

For example, if the penalty and fees total $8,000 and the new mortgage saves $250 per month, the simple break-even period is 32 months. Refinancing may not be worthwhile if the homeowner expects to sell, refinance again or reach renewal before that point.

This simple formula is useful for screening the decision, but a full comparison should also account for changes in the mortgage balance, amortization and total interest.

When Does Refinancing Make Sense?

Refinancing is more likely to make sense when:

• The interest savings clearly exceed the penalty and fees

• The homeowner expects to keep the mortgage beyond the break-even point

• High-interest debt is being consolidated with a plan to prevent new balances

• Equity is being used for a necessary or financially justified purpose

• The existing mortgage no longer provides suitable terms or flexibility

• The new amortization supports the homeowner's long-term goals

• The borrower can comfortably afford the new payment

The decision should still be tested with actual lender quotes and a written penalty figure.

When Should You Avoid Refinancing?

Refinancing may be a poor choice when:

• The homeowner expects to sell or move soon

• The current mortgage has a low rate and a large break penalty

• The payment only falls because the amortization is being extended substantially

• The refinance is being used to fund ongoing overspending

• The borrower would lose valuable prepayment or portability features

• Income or credit issues make the new financing unusually expensive

• The total cost is higher even though the monthly payment is lower

How to Qualify for Mortgage Refinancing

Lenders generally assess the following:

Home Equity

The appraisal determines the property's current market value. For a conventional refinance up to 80% loan-to-value, the homeowner must retain at least 20% equity after the transaction.

Income and Employment

The borrower must demonstrate enough stable income to support the new mortgage. Salaried employees, self-employed borrowers and people with variable income may be asked for different documents.

Credit History

Credit score is one part of the decision, but lenders also review payment history, credit utilization, recent applications and the overall debt profile. A score around 680 may help with many prime-lending applications, but it is not a legal or universal minimum.

Debt-Service Ratios

Lenders compare housing costs and total debt payments with gross income. Common benchmarks used in prime lending are around 39% for gross debt service and 44% for total debt service, although actual approval standards can vary by lender and borrower.

Mortgage Stress Test

When the stress test applies, the borrower must qualify at a rate above the actual contract rate. This can reduce the maximum mortgage amount even when the new monthly payment appears affordable at the offered rate.

Documents Commonly Required

A refinance application may require:

• Proof of income and employment

• Recent mortgage statements

• Property-tax information

• Home-insurance details

• Identification

• Statements for debts being consolidated

• Bank statements or proof of assets

• Notices of Assessment or tax returns for some borrowers

• A professional appraisal

Refinancing With the Same Lender vs. a New Lender

Staying with the same lender may simplify the process and make options such as blend-and-extend available. It may also reduce the need for some administrative steps.

Moving to a new lender can create more competition and provide better rates or features, but the borrower must complete a full application and may face legal, appraisal and discharge costs.

The best comparison is based on the total borrowing cost and contract terms, not loyalty to the current lender. If you want more details about it read our article where we compare the pros and cons of mortgage brokers compared to banks.

Alternatives to a Full Mortgage Refinance

Mortgage Renewal

Homeowners approaching the end of their term may be able to wait until renewal and then negotiate or switch lenders without an early-payment penalty.

Blend and Extend

Some lenders allow borrowers to blend the existing rate with a new rate and extend the term. This can avoid a traditional break penalty, but the resulting rate and future penalty terms should be reviewed carefully.

Home Equity Line of Credit

A HELOC provides revolving access to funds, and interest is charged only on the amount used. It may be more suitable for ongoing or uncertain expenses. HELOC rates are usually variable, and easy access to credit can encourage persistent borrowing.

Second Mortgage

A second mortgage leaves the first mortgage in place. It can avoid breaking a favourable first mortgage, but second-mortgage rates and fees are normally higher.

Mortgage Prepayment Privileges

When the goal is to reduce interest or become mortgage-free faster, using the existing mortgage's lump-sum or payment-increase privileges may be cheaper than refinancing.

Tax Treatment of Refinanced Funds

Interest on a mortgage for a principal residence is not generally deductible simply because the loan is secured by the home.

Interest on refinanced money may be deductible when the borrowed funds can be directly traced to an eligible income-earning business or investment use. The treatment depends on how the money is used and documented. Borrowers considering an investment-related refinance should obtain advice from a qualified tax professional.

Is Refinancing a Mortgage Worth It in Canada?

Refinancing can be worthwhile when it produces a clear financial or practical benefit after all penalties, fees and long-term interest are included. It is less attractive when the savings are small, the homeowner will not remain past the break-even point or the lower payment is mainly created by extending the debt for many more years.

Before signing, obtain the current payout penalty, compare multiple lender offers and review the total cost over a consistent period. A mortgage broker or lender can provide quotes, but the homeowner should independently confirm that the new structure supports their broader financial plan

Ready to compare mortgage options?

Speak with a Multi-Prêts mortgage broker in Montreal for a free mortgage assessment.