MORTGAGE TYPE COMPARISON

Insured or conventional?

See how your down payment and mortgage insurance status can affect rates, qualification, amortization choices, and estimated monthly payments.

Rates are current as of Canada
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Compare insured and conventional mortgage rates before choosing your down payment strategy

High-ratio and conventional mortgages can price differently because mortgage insurance changes lender risk. Use RateBuddy to compare insured and uninsured mortgage rate options side by side, including rate differences, payment impact, and lender choices across popular terms.

Compare Insured and Conventional Mortgages

Live as of: August 17, 2026 | Canada

Customize your insured vs conventional mortgage comparison

Enter your purchase price, down payment, and amortization to compare high-ratio and conventional mortgage rates side by side. RateBuddy helps show how down payment size and mortgage insurance status may affect your rate options.

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%
Years
Term & Type High-Ratio Rate Conventional Rate
5
Years
Fixed Rate
5-Year · Fixed
Save $4,149 vs. Conventional over 5 Years
Monthly Pmt $1,487
Interest Cost (5 Year) $51,989
5-Year · Fixed
Costs $4,149 more than High-Ratio over 5 Years
Monthly Pmt $1,534
Interest Cost (5 Year) $56,138
5
Years
Variable Rate
5-Year · Variable
Save $6,731 vs. Conventional over 5 Years
Monthly Pmt $1,396
Interest Cost (5 Year) $43,878
5-Year · Variable
Costs $6,731 more than High-Ratio over 5 Years
Monthly Pmt $1,471
Interest Cost (5 Year) $50,609
4
Years
Fixed Rate
4-Year · Fixed
Save $2,237 vs. Conventional over 4 Years
Monthly Pmt $1,550
Interest Cost (4 Year) $46,640
4-Year · Fixed
Costs $2,237 more than High-Ratio over 4 Years
Monthly Pmt $1,583
Interest Cost (4 Year) $48,877
3
Years
Fixed Rate
3-Year · Fixed
Costs $421 more than Conventional over 3 Years
Monthly Pmt $1,511
Interest Cost (3 Year) $33,327
3-Year · Fixed
Save $421 vs. High-Ratio over 3 Years
Monthly Pmt $1,503
Interest Cost (3 Year) $32,907
3
Years
Variable Rate
3-Year · Variable
Save $3,780 vs. Conventional over 3 Years
Monthly Pmt $1,442
Interest Cost (3 Year) $29,632
3-Year · Variable
Costs $3,780 more than High-Ratio over 3 Years
Monthly Pmt $1,512
Interest Cost (3 Year) $33,411
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Pro Tip: The High-Ratio Advantage

Sometimes, a smaller down payment can mean a lower interest rate.

It sounds counter-intuitive, but here's why lenders sometimes offer better rates on high-ratio (insured) mortgages:

  • Lender Security Mortgage default insurance protects the lender, not you. If you default, the insurer pays the lender, eliminating their risk.
  • Lower Risk = Lower Rate Because the loan is insured and risk-free for the lender, they are often willing to offer their most competitive interest rates.
  • The Trade-Off This lower rate comes at the cost of the insurance premium, which is added to your mortgage principal. Use the calculator below to see if the interest savings outweigh the premium cost.

Calculate Your Upfront Costs

Your down payment is the key. Use our quick estimator to see how it affects your mortgage insurance premium, then dive deeper with our full suite of tools.

Quick Insurance Estimator
Estimated Mortgage Insurance Premium
$0

Based on standard CMHC premium rates. For illustrative purposes only.

How to compare high-ratio vs conventional mortgage rates in Canada

A high-ratio mortgage usually applies when the buyer has less than 20% down and mortgage loan insurance is required. A conventional mortgage usually applies when the buyer has at least 20% down and mortgage loan insurance is not required in the same way.

Why insured mortgage rates can be lower

Mortgage loan insurance protects the lender if the borrower defaults. Because this lowers lender risk, insured mortgage rates can sometimes be lower than conventional rates, even though the borrower may still pay an insurance premium.

Why conventional mortgages can still be attractive

Conventional mortgages can help buyers avoid the added mortgage insurance premium and may offer more flexibility for larger down payments, higher-value properties, refinancing, and certain amortization options.

How to use this comparison table

Compare the high-ratio and conventional rate columns for each term, then look beyond the headline rate. Consider insurance premiums, estimated payments, total borrowing cost, prepayment options, penalties, and lender conditions before choosing the better mortgage structure.

Your Comparison Questions, Answered

Get clear, professional answers to the most important questions when comparing high-ratio and conventional mortgages.

A high-ratio mortgage is any home loan where the down payment is less than 20% of the purchase price. In Canada, all high-ratio mortgages must be insured against default by an insurer like CMHC, Sagen, or Canada Guaranty. The cost of this insurance premium is typically added to your total mortgage principal.

A conventional mortgage is a home loan where the down payment is 20% or more of the purchase price. Because you have significant equity in the home from the start, mortgage default insurance is not required. This means you avoid the cost of the insurance premium, resulting in a smaller total loan amount.

It seems counter-intuitive, but lenders often offer their most competitive interest rates on high-ratio mortgages. This is because the mandatory mortgage insurance protects the lender, not you. If you were to default on the loan, the insurer pays the lender back, completely eliminating the lender's financial risk. Lower risk for them often translates to a lower rate for you.

There's no single 'best' choice; it depends entirely on your financial situation. A high-ratio mortgage allows you to enter the housing market sooner with a smaller down payment. A conventional mortgage requires more savings upfront but allows you to avoid the insurance premium and build equity faster. The key is to weigh the cost of the insurance premium against the interest savings from a potentially lower rate.

The mortgage default insurance premium is calculated as a percentage of your loan amount, and the percentage gets higher as your down payment gets smaller. For example, a 5% down payment might have a 4.0% premium, while a 15% down payment might have a 1.8% premium. This premium is then added to your mortgage balance and paid off over the life of the loan.

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