
A variable rate mortgage can be a complex and intimidating concept, but it's actually quite straightforward once you understand the basics. The interest rate on a variable rate mortgage can change over time, often in response to changes in the prime lending rate set by the bank.
This means that your monthly mortgage payment can increase or decrease depending on the current interest rate. For example, if the prime lending rate goes up, your interest rate may also increase, resulting in a higher monthly payment.
Variable rate mortgages often come with a discount from the prime lending rate, which can be a significant advantage for borrowers. In some cases, the discount can be as high as 1-2% below the prime rate, making the mortgage more affordable.
However, it's essential to note that variable rate mortgages can also come with a higher risk of rising interest rates, which can increase your monthly payment and make it more challenging to pay off the mortgage.
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What Is a Variable Rate Mortgage?
A variable-rate mortgage is a type of home loan with a variable interest rate that moves in sync with the market or benchmark interest rate. This means that the interest rate can fluctuate over time, and your monthly payment can change accordingly.
The interest rate is usually linked to a specific benchmark rate, such as the CIBC prime rate, LIBOR rate, or federal funds rate. For example, in Canada, the CIBC prime rate is 2.7% as of April 8th, 2022, and the mortgage rate keeps pace with the prime rate.
Variable-rate mortgages first appeared in the 1930s in the UK and Canada, and they're attractive because if the market interest rate decreases, your mortgage interest rate also decreases, benefiting borrowers. This means you don't have to refinance your mortgage when interest rates plummet.
However, this also means that if the interest rate increases, you'll experience a loss. Additionally, variable-rate mortgages often offer lower introductory rates than fixed-rate mortgages, making them a popular choice for some borrowers.
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A variable-rate mortgage is different from a fixed-rate mortgage, where the interest rate remains the same throughout the loan term. In contrast, a variable-rate mortgage features an interest rate that varies with the market interest rate.
Here are some key characteristics of variable-rate mortgages:
- A variable-rate mortgage refers to a mortgage with a variable interest rate.
- The mortgage interest rate moves with the market or underlying benchmark interest rate.
- Examples of indexes are CIBC prime rate, LIBOR rate, or federal funds rate.
- It is different from the fixed-rate mortgage.
How it Works
A variable-rate mortgage is structured with rates that can change over time, unlike a fixed-rate mortgage.
Lenders offer both fully amortizing and non-amortizing loans with different variable rate structures.
Borrowers who think rates will fall over time often prefer variable rate loans because they can take advantage of decreasing rates without refinancing.
In a variable rate loan, the interest rate is based on the indexed rate and any required margin, and can fluctuate at any time during the loan's life.
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Example
The Bank of England raised interest rates to 0.25% from 0.1% to combat inflation in the UK.
This change affects people with variable-rate mortgages, including tracker mortgages that follow the base rate.
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Tracker mortgages will track the base rate exactly, so if the base rate rises, the payment obligation will almost certainly rise.
The additional cost will completely reflect the base rate rise.
With standard variable rates, the lender has some flexibility - they could raise interest rates further, even if the base rate only increases by 0.15%.
For example, HSBC's standard variable rate is 3.54%, so if they pass on the entire increase, borrowers will pay 3.69%.
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How it Works
A variable-rate mortgage is structured with floating rates that can change over time. This differs from a fixed-rate mortgage where the interest rate remains the same throughout the loan duration.
Lenders offer both variable and adjustable rate mortgage loan products with different variable rate structures. Borrowers can choose between fully amortizing and non-amortizing loans that incorporate various variable rate interest structures.
Borrowers who believe rates will fall over time often prefer variable rate loans. This is because they can take advantage of decreasing rates without refinancing, as their interest rates decrease with the market rate.
The interest rate on a variable-rate loan is based on the indexed rate and any margin required. This means the borrower's interest rate can fluctuate at any time during the life of the loan.
Full-term variable rate loans charge borrowers variable rate interest throughout the entire loan duration.
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Adjustable Loans
Variable-rate mortgages can be structured in different ways, but one common type is the adjustable rate mortgage loan, also known as an ARM.
These loans charge a fixed interest rate in the first few years of the loan, followed by a variable interest rate after that.
In a 2/28 ARM loan, a borrower would pay two years of fixed-rate interest followed by 28 years of variable interest that can change at any time.
A 5/1 ARM loan is another example, where the borrower would pay fixed-rate interest for the first five years with variable rate interest after that.
In a 5/1 variable rate loan, the borrower’s variable rate interest would reset every year based on the fully indexed rate at the time of the reset date.
The interest rate on an ARM can fluctuate at any time during the life of the loan, which means borrowers may see their payments change if interest rates rise or fall.
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Get Started

Getting started on your home buying journey is an exciting step. Knowing how much you can borrow is a crucial part of this process, and prequalifying for a loan helps you proceed with confidence.
To figure out how much you can put down on a home, you need to have a clear idea of your budget. This includes determining what mortgage payment fits comfortably within it.
Knowing how much you can borrow also helps you narrow down your home options and avoid overspending.
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Types of Variable Rate Mortgages
There are several types of variable rate mortgages, each working slightly differently. The main ones are Standard Variable Rate (SVR), Discounted Variable Rate, and Capped Variable Rate.
A Standard Variable Rate (SVR) is the lender's variable rate that you usually default to at the end of a fixed or discounted period. It's usually the most expensive rate and isn't specifically linked to the ECB rate.
Discounted Variable Rate is a lower rate than the SVR, running for a set term, usually a year, before reverting to the SVR or switching to a fixed rate mortgage. This type of rate can give you some peace of mind, knowing your maximum monthly repayments will be capped.
Here are the main types of variable rate mortgages:
- Standard Variable Rate (SVR)
- Discounted Variable Rate
- Capped Variable Rate
Types of Variable Rate Mortgages
Variable-rate mortgages come in different flavors, and one common type is the Adjustable Rate Mortgage Loan, also known as an ARM.
ARMs charge a borrower a fixed interest rate in the first few years of the loan, followed by a variable interest rate after that.
A 2/28 ARM loan is a type of ARM, where a borrower would pay two years of fixed-rate interest followed by 28 years of variable interest that can change at any time.
In a 5/1 ARM loan, the borrower would pay fixed-rate interest for the first five years with variable rate interest after that.
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ARMs have an initial fixed-rate period followed by the remainder of the loan using a variable interest rate, which is why they're also called hybrid loans.
A 7/1 ARM loan, for example, would have the first seven years fixed, and then from the eighth year onwards, the rate would adjust annually depending on prevailing rates.
The terms of an ARM loan will vary depending on the particular product offering, so it's essential to carefully review the terms before signing.
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Choose a Type
Choosing the right type of variable rate mortgage can be a bit overwhelming, but it's essential to get it right. There are three main types of variable rate mortgages: Standard Variable Rate (SVR), Discounted Variable Rate, and Capped Variable Rate.
The Standard Variable Rate (SVR) is the lender's variable rate that you usually default to at the end of a fixed or discounted period. It's usually the most expensive rate and isn't specifically linked to the ECB rate.
A Discounted Variable Rate is a variable rate that's lower than the Standard Variable Rate (SVR) and runs for a set term, usually a year. At the end of the discounted period, the rate will revert to the SVR, or you can switch to a fixed rate mortgage.
A Capped Variable Rate offers some peace of mind and the ability to budget as you can work out what your maximum monthly repayments will be. It's a variable rate that can't go above the rate it's capped at during the term, even if the European Central Bank (ECB) rate goes up.
Here's a quick summary of the three types of variable rate mortgages:
Benefits and Drawbacks
Variable rate mortgages offer flexibility and potential savings, but also come with some risks. You can overpay your mortgage and redeem it early, which can be a great option if you want to pay off your loan quickly.
One of the main advantages of variable rate mortgages is that they allow you to switch lenders if you find a better deal. This flexibility can be a big plus if interest rates drop, as your monthly repayments may decrease too.
Here are some key pros and cons to consider:
- Lower initial payments than a fixed-rate loan
- Lower payments if interest rates drop
- Flexibility to switch lenders
- Overpay your mortgage and redeem it early
- Redeem your mortgage
However, there are also some potential downsides to variable rate mortgages. If interest rates rise, your monthly repayments can increase, making it harder to budget long-term. Interest rates may also go up, which can lead to higher payments.
When Interest Rates Rise
If interest rates rise, the variable rate on your mortgage will adjust higher, resulting in higher monthly payments. This can be a significant increase, making it harder to budget long-term.
Many variable-rate mortgages have an interest rate cap, which prevents the rate from increasing beyond a certain point. This can provide some protection, but it's still essential to understand the potential risks.
The good news is that if interest rates drop, your monthly payments may decrease. However, if interest rates rise, your payments will increase, which could lead to financial difficulties.
Here are some potential consequences of rising interest rates on your mortgage:
- Interest rates may go up
- Monthly repayments may increase
- It is harder to budget long-term
Pros and Cons
Variable-rate mortgages can offer some attractive benefits. One of the main advantages is that you can save more with rate discounts, such as 0.125% autopay and paperless discount.
You can also set up automatic payments from any checking account and enroll in electronic Mortgage billing statements to save even more. This can be a convenient and cost-effective way to manage your mortgage payments.
One of the key pros of variable-rate mortgages is that you can overpay your mortgage, redeem your mortgage, and have flexibility to switch. This can give you more control over your mortgage and help you achieve your financial goals.
However, it's essential to consider the potential downsides of variable-rate mortgages. If interest rates rise, your mortgage payments can increase, making your home less affordable. This could lead to homeowners being trapped in an increasingly unaffordable home.
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Here are some key pros and cons of variable-rate mortgages:
- Lower initial payments than a fixed-rate loan
- Lower payments if interest rates drop
- Overpay your mortgage
- Redeem your mortgage
- Flexibility to switch
- If rates drop, repayments may too
Ultimately, it's crucial to weigh up the details and pros and cons of variable-rate mortgages and fixed-rate deals to find the best option for your situation.
Repayment Information
APR is a more comprehensive view of the total cost of the loan, including interest rate, fees, and upfront costs.
The APR can be a more useful tool for comparing different loan offers from different lenders because it provides a complete picture of the overall cost of the loan.
A 30-year fixed rate mortgage repayment example assumes no subordinate financing and has rates effective as of a certain date, subject to change at any time.
Rates for a 30-year fixed rate mortgage include a 0.125 percentage point reduction, which requires a Citizens consumer checking account set up at time of loan origination with automatic monthly payment deduction.
A 15-year fixed rate mortgage repayment example also assumes no subordinate financing and has rates effective as of a certain date, subject to change at any time.
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Rates for a 15-year fixed rate mortgage include a 0.125 percentage point reduction, which requires a Citizens consumer checking account set up at time of loan origination with automatic monthly payment deduction.
Sources
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