
A low-ratio insured mortgage, also known as a conventional mortgage, is a mortgage with a down payment of 20% or more of the purchase price. This means it has a loan-to-value (LTV) ratio of 80% or less. With a low-ratio mortgage, the borrower does not need to purchase mortgage default insurance, which is typically required for high-ratio mortgages with a down payment of less than 20%. The absence of mortgage insurance results in lower overall costs for the borrower, despite the generally lower interest rates offered for high-ratio insured mortgages.
| Characteristics | Values |
|---|---|
| Down payment | 20% or more of the purchase price |
| LTV ratio | 80% or less |
| Insurance | Not required |
| Interest rate | Higher than insured mortgages |
| Amortization period | Up to 35 years |
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What You'll Learn

A low-ratio mortgage is a conventional mortgage
A low-ratio mortgage, also known as a conventional mortgage, is a mortgage for less than 80% of the value of a home. To obtain a low-ratio mortgage, a borrower must make a down payment of 20% or more of the purchase price. This means that the loan-to-value (LTV) ratio is at or below 80%. The higher the LTV, the riskier a mortgage is considered by the lender, which is why a high-ratio mortgage requires mortgage default insurance.
A low-ratio mortgage is considered less risky for the lender, as the borrower has more equity in the property. This means that the borrower may not be required to purchase mortgage default insurance, which can increase the total mortgage amount by between 0.60% and 4.0% of the mortgage amount for insurance with the CMHC. However, even with a low-ratio mortgage, the borrower may still choose to purchase mortgage insurance to protect the lender in case of default. This insurance can provide peace of mind for the lender and may result in lower interest rates for the borrower.
The amount of the down payment is subtracted from the purchase price of the home. A larger down payment will result in a lower loan-to-value ratio. For example, if a borrower wants to purchase a home for $495,000 with a 5% down payment of $24,750, the base mortgage would be $470,250. The LTV ratio in this case would be 95%. On the other hand, if the same borrower makes a 20% down payment of $99,000, the mortgage would be $396,000 and the LTV would be 80%.
A low-ratio mortgage provides several benefits to the borrower. Firstly, it allows the borrower to avoid the additional cost of mortgage default insurance, which can add a significant amount to the total mortgage cost. Secondly, a low-ratio mortgage may offer a longer amortization period, which is the length of time until the mortgage is paid off in full. With a longer amortization period, monthly mortgage payments are typically lower, providing more flexibility for the borrower.
Obtaining a low-ratio mortgage may require careful financial planning and saving. One strategy is to save a larger down payment, which can be achieved by delaying the home purchase to save more or by adding additional sources of income. Another option is to consider purchasing a less expensive home, as a lower purchase price may help the down payment exceed the 20% threshold. First-time homebuyers may also have access to grants and incentives and programs such as the Home Buyers' Plan, which allows the use of a Registered Retirement Savings Plan (RRSP) for the down payment.
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It requires a down payment of 20% or more
A low-ratio insured mortgage, also known as a conventional mortgage, requires a down payment of 20% or more of the purchase price. This means that the loan-to-value (LTV) ratio is at or below 80%. The higher the LTV ratio, the riskier a mortgage is considered by the lender, and the higher the interest rate will be. Thus, a low-ratio mortgage is considered less risky and typically has a lower interest rate compared to a high-ratio mortgage.
For example, let's consider a home with a purchase price of $500,000. With a 20% down payment of $100,000, the mortgage amount would be $400,000, resulting in an LTV ratio of 80%. On the other hand, if the down payment is only 5% ($25,000), the mortgage amount increases to $475,000, and the LTV ratio becomes 95%.
The down payment amount directly impacts the LTV ratio and the overall risk associated with the mortgage. A larger down payment reduces the loan amount, resulting in a lower LTV ratio and decreased risk for the lender. This, in turn, can lead to a lower interest rate on the mortgage.
In the context of a low-ratio insured mortgage, the down payment of 20% or more helps to mitigate the risk for the lender. It demonstrates the borrower's financial stability and commitment to the purchase. Additionally, it reduces the likelihood of negative equity, where the outstanding mortgage balance exceeds the value of the property.
By making a down payment of 20% or more, borrowers can avoid the additional costs associated with mortgage default insurance, which is typically required for high-ratio mortgages. This insurance protects the lender in the event of borrower default and increases the overall cost of the loan. Thus, a substantial down payment not only reduces the interest rate but also eliminates the need for additional insurance expenses.
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It does not require mortgage default insurance
A low-ratio insured mortgage, also known as a "conventional mortgage", is a mortgage with a down payment of 20% or more of the purchase price. This means it has a loan-to-value (LTV) ratio of 80% or less. A low-ratio mortgage does not require mortgage default insurance because the borrower has already paid a significant portion of the purchase price upfront, reducing the risk for the lender.
Mortgage default insurance, also known as CMHC insurance, is required by the Government of Canada when homebuyers put down less than 20% of the purchase price. This insurance protects the lender in case the borrower defaults on the mortgage and is a way for borrowers with fewer assets to get on the property ladder. The cost of the insurance is paid by the borrower, with premiums ranging from 0.6% to 4% of the total mortgage amount. The premium is based on the size of the down payment and the resulting LTV ratio, with higher LTVs attracting higher premiums.
By making a larger down payment of 20% or more, borrowers with a low-ratio mortgage can avoid the additional cost of mortgage default insurance. This can result in significant savings, as the insurance premiums can add up to thousands of dollars over the life of the mortgage. Additionally, with a low-ratio mortgage, borrowers have a longer amortization period, up to 35 years, compared to 25 years for an insured mortgage.
It's important to note that while mortgage default insurance protects the lender, it does not protect the borrower's interest in the property. If the borrower defaults, the insurance provides a payout to the lender to compensate for their losses. However, the money saved by avoiding mortgage default insurance and securing a lower interest rate can be significant. Therefore, borrowers with a low-ratio mortgage may benefit from the absence of mortgage default insurance, as it reduces their overall costs and allows them to pay off the mortgage over a longer period.
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It has a longer amortization period
A low-ratio insured mortgage, also known as a conventional mortgage, is a mortgage with a down payment of 20% or more of the purchase price. This means it has a loan-to-value (LTV) ratio of 80% or less. The higher the LTV ratio, the riskier the mortgage is considered by the lender, which is why low-ratio mortgages do not require mortgage default insurance.
With a low-ratio insured mortgage, you have a longer amortization period, which is the total length of time you have to pay off your mortgage in full. This means that your monthly mortgage payments are lower, but you will pay more in interest over the course of the loan. Specifically, the maximum amortization period for a low-ratio insured mortgage is 30 years, compared to 25 years for a high-ratio insured mortgage. This gives you more time to pay off your mortgage and can make your monthly payments more manageable.
The longer amortization period of a low-ratio insured mortgage is a significant advantage, especially when compared to the shorter amortization period of a high-ratio insured mortgage. With a high-ratio insured mortgage, you are required to purchase mortgage default insurance, which can increase the total amount of your mortgage significantly. The insurance premiums for a high-ratio insured mortgage are typically between 0.6% and 4% of the mortgage amount, and this added cost can make your monthly payments more expensive.
Additionally, with a low-ratio insured mortgage, you have the option to choose a longer amortization period, which can further lower your monthly payments. This flexibility is not available with a high-ratio insured mortgage, where the maximum amortization period is restricted to 25 years. This restriction can impact your monthly budgeting and financial planning.
In summary, the longer amortization period associated with a low-ratio insured mortgage provides several benefits, including lower monthly payments, a reduced interest burden over the life of the loan, and increased flexibility in financial planning. These advantages contribute to making a low-ratio insured mortgage a more attractive option for homebuyers who have the means to make a larger down payment.
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It has a higher interest rate than a high-ratio mortgage
A low-ratio insured mortgage, also known as a conventional mortgage, is a mortgage where the borrower has made a down payment of 20% or more of the purchase price. This means that the loan-to-value (LTV) ratio is 80% or lower. In this scenario, mortgage insurance is not required, and the borrower has the option to choose a longer amortization period of 30 years, resulting in lower monthly payments compared to a high-ratio mortgage.
On the other hand, a high-ratio mortgage is a type of insured mortgage where the borrower's down payment is less than 20% of the home's value. This results in a higher LTV ratio, which is considered riskier for the lender. To mitigate this risk, mortgage default insurance is mandatory for high-ratio mortgages, with premiums ranging from 0.6% to 4% of the total mortgage amount. The cost of this insurance is added to the overall mortgage amount, increasing the total cost.
While high-ratio mortgages often come with lower interest rates compared to conventional loans, the overall benefit of this lower rate may be mitigated by the cost of mortgage insurance and the larger loan amount. In some cases, the savings from the lower interest rate may be less than the premium paid for mortgage default insurance. Therefore, it is essential to carefully consider the pros and cons of both options before making a decision.
For example, let's compare the costs of a high-ratio and low-ratio mortgage for a home with a purchase price of $500,000. With a high-ratio mortgage and a 5% down payment, the CMHC insurance premium could be around $19,000, added to the mortgage principal balance. Using a mortgage rate of 4.64% and an amortization period of 25 years, the monthly payment would be $2,773. The total interest cost for the life of the mortgage, including interest on the CMHC insurance, would be $337,821.
In contrast, with a low-ratio mortgage and a 20% down payment on the same $500,000 home, there would be no CMHC insurance premiums required. Using a mortgage rate of 5.14% and the same amortization period, the monthly payment would be $2,358. The total interest cost would be $307,520, which is lower than the interest cost for the high-ratio mortgage.
In summary, while high-ratio mortgages may offer slightly lower interest rates, the requirement for mortgage default insurance and the higher loan amount can result in higher overall costs compared to a low-ratio insured mortgage. It is important for borrowers to carefully evaluate their options and consider the long-term financial implications of different types of mortgages to make an informed decision.
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Frequently asked questions
A low-ratio mortgage, also known as a conventional mortgage, is a mortgage with a down payment of 20% or more of the purchase price. This means it has a loan-to-value (LTV) ratio of 80% or less.
A high-ratio mortgage is a mortgage with a down payment of less than 20% of the purchase price, resulting in an LTV ratio of more than 80%. High-ratio mortgages are considered riskier and typically require mortgage default insurance, whereas low-ratio mortgages do not.
Low-ratio mortgages do not require mortgage default insurance, which can add significantly to the total mortgage amount. Additionally, low-ratio mortgages typically offer longer amortization periods, resulting in lower monthly payments.
To qualify for a low-ratio mortgage, you need to make a down payment of at least 20% of the purchase price of the home. This can be achieved through various means, such as saving a larger down payment, buying a cheaper home, or utilizing first-time homebuyer incentives.
A low-ratio insured mortgage refers to a situation where the borrower has a low-ratio mortgage (20% or more down payment) and has also opted for mortgage insurance. While this is uncommon, it may be done to protect the lender in case of default. The insurance premiums are typically covered by the lender, and the mortgage may be referred to as an "insurable mortgage."







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