Mortgage guide
How to compare mortgage rates without comparing the wrong products
A practical framework for comparing mortgage rates, payments, terms, LTV limits, lender fees, qualification rows and source dates.
Evidence and wording reviewed 2026-09-01.
Start with eligibility, not the lowest number
A rate is useful only when its published product scope fits the mortgage. Begin with purpose, occupancy, mortgage position, property type, term and required LTV. A private second mortgage and an insured first mortgage are not substitutes even when both display a percentage rate.
When a lender publishes several rows under one product, use the row tied to the relevant credit, LTV or property tier. A directory-wide sort by lowest displayed rate is a navigation aid, not an approval prediction or a statement that the first row is best.
Compare payment and term cost separately
Monthly payment answers a cash-flow question. Interest plus stated lender fees over the product term answers a different cost question. A short-term mortgage with a percentage lender fee can cost more during its term despite a lower displayed payment.
Keep insurance premiums, property taxes, legal costs and any charges not stated by the lender outside the estimate rather than inventing them. Mark the estimate as incomplete when the public wording cannot be converted reliably.
Keep the structures comparable
Compare fixed with fixed and variable with variable unless the purpose is explicitly to understand the structural trade-off. Keep mortgage position and term aligned. Reverse mortgages, HELOCs and interest-only products need their own treatment because a standard amortizing-payment formula may not describe how they work.
A numerical difference is not a recommendation. A higher displayed rate may correspond to a different LTV tier, credit band, fee structure, property type or level of flexibility.
Use the date and original source
Mortgage pricing changes. A dated rate sheet and a page checked recently are different evidence, so retain the lender’s effective date when available and always keep a separate verification date.
Open the lender-hosted source before relying on a record. Confirm formulas, fees, advance windows and qualification notes that may not fit into a comparison table. Ask for professional help when the public criteria do not resolve whether a product fits the actual mortgage.
Primary public references
These sources support the comparison principles. Product-specific rates and criteria still come from the lender source attached to each directory record.
- Financial Consumer Agency of Canada — interest on mortgages opens in a new tab
Canadian consumer guidance on fixed and variable interest structures.
- Financial Consumer Agency of Canada — prepayment penalties opens in a new tab
Canadian guidance on charges that can matter when comparing mortgage terms.
- Consumer Financial Protection Bureau — compare loan estimates opens in a new tab
United States comparison guidance used only as an information-design benchmark for keeping rate, fees and time horizon together.