Fixed Rate vs Variable Rate Mortgage: Which One Is Actually Right for You

This is one of the most common questions I get from buyers and it is also one of the most misunderstood decisions in the home buying process. Most people pick one or the other based on what their bank recommends or what their friend did. That is not a strategy.

Let me break down what each one actually means, how they work, and who each one makes sense for. By the end of this you will have a clear enough picture to have an informed conversation about it.

What Is a Fixed Rate Mortgage?

A fixed rate mortgage is exactly what it sounds like. Your interest rate is locked in for the entire term, usually 5 years. Your payment stays the same every single month regardless of what happens in the economy, what the Bank of Canada does, or what oil prices do in the Middle East.

If you lock in at 4.5% today, you are at 4.5% on day one and 4.5% on the last day of your term. No surprises.

What Is a Variable Rate Mortgage?

A variable rate mortgage moves with the Bank of Canada's policy rate, which is the rate the Bank of Canada sets to manage the economy and control inflation. When the Bank of Canada cuts rates, your variable rate goes down and you pay less. When they raise rates, your variable rate goes up and you pay more.

Variable rates are typically expressed as prime plus or minus a set amount. For example you might be offered prime minus 0.5%. If prime is 5%, your rate is 4.5%. If the Bank of Canada cuts prime to 4.5%, your rate drops to 4%.

There are two types of variable rate mortgages worth knowing about. One keeps your payment the same but adjusts how much goes toward interest versus principal when rates change. The other adjusts your actual payment amount when rates move. Make sure you know which one you are signing up for.

The Case for Fixed

Predictability is the entire argument for fixed. You know exactly what your payment is for the next 5 years. You can budget around it. You do not lie awake at night wondering if the Bank of Canada is going to raise rates at the next announcement.

For first time buyers who are already stretching their budget, for families on a tight monthly cash flow, or for anyone who genuinely loses sleep over financial uncertainty, fixed is the right answer. The premium you pay for that peace of mind is real but so is the value of it.

Fixed rates also make a lot of sense in a rising rate environment. If rates are expected to go up, locking in now protects you from paying more later.

The Hidden Cost of Fixed: The Prepayment Penalty

Here is something a lot of buyers do not find out until it is too late.

If you want to break a fixed rate mortgage before the term is up, you will pay a penalty. Not a small one. The penalty on a fixed mortgage is calculated using something called the Interest Rate Differential, or IRD. Without getting too deep into the math, it essentially measures the difference between your locked in rate and what the lender can offer today, multiplied out over your remaining term.

In practice this can mean a penalty of anywhere from $10,000 to $30,000 or more depending on your mortgage size, your rate, and how much time is left on your term. Some people are genuinely shocked when they find out the number.

When does this matter? Any time your life changes before your term is up. You get a job offer in another city. Your family grows and you need a bigger home. A relationship ends. A better opportunity comes up. Life does not always wait for your mortgage term to expire.

Variable rate mortgages are much more forgiving here. The penalty to break a variable rate is typically just 3 months of interest, which on most mortgages is a few thousand dollars. A fraction of what a fixed penalty can cost.

Here Is Where It Gets Really Important

If you are thinking about buying a home and there is any chance you might sell within the next 3 to 5 years, the type of mortgage you choose matters enormously. Choosing a 5 year fixed rate on a home you end up selling in year 3 could cost you tens of thousands of dollars in penalties on top of your real estate costs.

This is exactly where having your realtor and your mortgage broker be the same person becomes a genuine advantage rather than just a convenience.

Think about it. Most buyers work with a realtor who helps them find a home and a mortgage broker who helps them finance it. Those two people are rarely in the same conversation about the client's long term plans. The realtor does not know what mortgage product was chosen. The mortgage broker does not know what the client's 3 year real estate plan looks like. Nobody is looking at the full picture.

When I work with a buyer I know both sides of that conversation. If you tell me you are buying a starter home and plan to upsize in 3 years when your family grows, I am not putting you in a 5 year fixed rate mortgage. That would be the wrong product for your situation and it could cost you dearly when the time comes to sell. I know that because I understand both the real estate timeline and the mortgage structure at the same time.

That alignment is not something most buyers even know to ask for. But once you understand how these two sides of the transaction affect each other, it becomes obvious why having one person across both makes a real difference.

The Case for Variable

Historically, variable rates have saved borrowers money over fixed rates more often than not. The research on this is pretty consistent over long periods of time. Variable rate holders tend to come out ahead because lenders price fixed rates with a built in cushion to protect themselves from rate changes. You pay for that cushion whether rates move or not.

In a falling rate environment variable is a significant advantage. If the Bank of Canada is cutting rates, your payments come down automatically without you doing anything. And as I mentioned above, if you need to break the mortgage early the penalty is minimal compared to fixed.

The obvious downside is uncertainty. If rates rise your payments rise with them. For someone with limited financial buffer, a few rate increases can create real strain on a monthly budget.

So Which One Should You Choose?

It depends on three things. Your financial buffer, your risk tolerance, and how long you actually plan to stay in the home.

If you have a comfortable cushion in your monthly budget, can absorb a payment increase without stress, and plan to stay in the home long term, variable is worth a serious look especially if rates are expected to hold or fall.

If you are buying at the top of what you can afford, if payment uncertainty worries you, or if there is any chance life could take you in a different direction in the next few years, the conversation gets more nuanced and you need someone looking at both the mortgage structure and the real estate timeline together.

There is also a middle path worth knowing about. A fixed rate with a shorter term. Instead of locking in for 5 years you lock in for 2 or 3. You get the certainty of fixed payments but with more flexibility to renegotiate sooner and a lower penalty exposure if you need to sell.

What Is Happening Right Now

With the Iran conflict pushing oil prices up nearly 50% in 10 days and bond yields rising as a result, fixed rates are under upward pressure right now. Variable rates have not moved yet because the Bank of Canada has not moved yet. But if inflation picks back up, the Bank of Canada's ability to keep cutting rates gets limited.

Right now is genuinely one of those moments where the fixed versus variable decision carries more weight than usual. It is not a decision to make based on what your colleague did or what the internet says. It is a decision to make based on your specific situation, your budget, your timeline, and where you think your life is going in the next few years.

That is exactly the kind of conversation I have with every single client before they sign anything. Not just about the rate. About the whole picture.

If you want to talk through what makes sense for you, reach out anytime.

Tyler Waldron Real Estate and Mortgages