Ontario Mortgage Glossary
Mortgage language can feel confusing when you are buying, renewing, refinancing, or trying to understand your options. This glossary explains common mortgage and homebuying terms in plain English so you can make better decisions with more confidence.
These definitions are general education only. Mortgage rules, lender guidelines, qualification requirements, and costs can vary by lender, property type, credit profile, income type, and down payment source.
Quick answer
A mortgage glossary helps explain the terms you may see in lender approvals, renewal offers, refinance conversations, mortgage applications, and closing documents. If a term affects your payment, approval, penalty, interest rate, or legal obligation, ask for clarification before signing.
Common mortgage terms
- Amortization
- The total length of time it would take to fully repay the mortgage if payments, interest rate, and terms stayed on track. Common amortizations include 25 years and, in some cases, 30 years.
- Appraisal
- An estimate of a property’s value prepared by a qualified appraiser. Lenders may require an appraisal before approving or funding a mortgage.
- Approval
- A lender’s conditional agreement to provide mortgage financing. Most approvals still require documents, property review, insurer review if applicable, and final lender sign-off.
- Closing costs
- Costs paid when a mortgage or property purchase closes. These may include legal fees, title insurance, land transfer tax, appraisal fees, adjustments, and other costs depending on the file.
- Debt service ratios
- Calculations lenders use to compare your income to your housing costs and other debts. These ratios help lenders assess affordability.
- Down payment
- The amount of money a buyer contributes toward the purchase price. Down payment rules vary depending on the property price, mortgage type, and whether mortgage default insurance is required.
- Equity
- The difference between the estimated property value and the total mortgages or secured debts registered against the property.
- Fixed-rate mortgage
- A mortgage where the interest rate stays the same for the selected term. This provides payment stability during the term.
- High-ratio mortgage
- A mortgage where the borrower has less than 20% down and mortgage default insurance is typically required.
- Home equity line of credit
- A revolving credit facility secured against the property. It may allow flexible borrowing up to an approved limit, subject to lender rules.
- Interest rate
- The rate charged by the lender for borrowing money. The interest rate affects the mortgage payment and total borrowing cost.
- Mortgage default insurance
- Insurance that protects the lender if the borrower defaults. It is commonly required for high-ratio mortgages and is usually added to the mortgage amount.
- Mortgage pre-approval
- An early review of borrowing potential based on available information. A pre-approval is not the same as a final mortgage approval.
- Mortgage refinance
- Replacing or changing an existing mortgage, often to access equity, consolidate debt, change lenders, or adjust the mortgage structure.
- Mortgage renewal
- The point when an existing mortgage term ends and a new term must be arranged with the same lender or a different lender.
- Mortgage term
- The length of the current mortgage contract, such as one, three, or five years. At the end of the term, the mortgage usually needs to be renewed, paid out, or transferred.
- Penalty
- A charge that may apply if a mortgage is paid out, refinanced, or transferred before the end of the term. Penalty calculations vary by lender and mortgage type.
- Porting
- Moving an existing mortgage from one property to another, if the lender allows it and the borrower and new property qualify.
- Private mortgage
- A mortgage funded by a private individual, company, or mortgage investment corporation. Private mortgages are often used when traditional lender guidelines do not fit, but they can be more expensive.
- Second mortgage
- A mortgage registered behind an existing first mortgage. It may be used for debt consolidation, equity access, or short-term financing, but it carries additional cost and risk.
- Stress test
- A qualifying calculation used to test whether a borrower can afford payments at a higher qualifying rate than the contract rate.
- Variable-rate mortgage
- A mortgage where the interest rate can change during the term based on the lender’s prime rate or other benchmark structure.
Related mortgage guides
Some terms are easier to understand when you see how they apply to a real mortgage decision. These pages may help:
When to ask for clarification
Ask questions before signing anything if you do not understand a mortgage term related to your rate, payment, penalty, renewal options, refinance costs, prepayment privileges, legal fees, or conditions of approval.
Mortgage guidance from an Ontario broker
Roger Carroll is an Ontario mortgage broker with Real Mortgage Associates Inc. This page is designed to help Ontario homeowners and buyers understand common mortgage language before making a major borrowing decision.
Have a mortgage term you want explained?
If you are reviewing a mortgage approval, renewal offer, refinance option, or lender condition and something is unclear, it is worth getting advice before you move forward.