Going From A Variable Rate To A Fixed Rate Mortgage

Tonia Jacobsen • October 16, 2024

If you have a variable rate mortgage and recent economic news has you thinking about locking into a fixed rate, here’s what you can expect will happen. You can expect to pay a higher interest rate over the remainder of your term, while you could end up paying a significantly higher mortgage penalty should you need to break your mortgage before the end of your term.


Now, each lender has a slightly different way that they handle the process of switching from a variable rate to a fixed rate. Still, it’s safe to say that regardless of which lender you’re with, you’ll end up paying more money in interest and potentially way more money down the line in mortgage penalties should you have to break your mortgage.


Interest rates on fixed rate mortgages


Fixed rate mortgages come with a higher interest rate than variable rate mortgages. If you’re a variable rate mortgage holder, this is one of the reasons you went variable in the first place; to secure the lower rate.


The perception is that fixed rates are somewhat “safe” while variable rates are “uncertain.” And while it’s true that because the variable rate is tied to prime, it can increase (or decrease) within your term, there are controls in place to ensure that rates don’t take a roller coaster ride. The Bank of Canada has eight prescheduled rate announcements per year, where they rarely move more than 0.25% per announcement, making it impossible for your variable rate to double overnight.


Penalties on fixed rate mortgages


Each lender has a different way of calculating the cost to break a mortgage. However, generally speaking, breaking a variable rate mortgage will cost roughly three months of interest or approximately 0.5% of the total mortgage balance. While breaking a fixed rate mortgage could cost upwards of 4% of the total mortgage balance should you need to break it early and you’re required to pay an interest rate differential penalty.


For example, on a $500k mortgage balance, the cost to break your variable rate would be roughly $2500, while the cost to break your fixed rate mortgage could be as high as $20,000, eight times more depending on the lender and how they calculate their interest rate differential penalty.


The flexibility of a variable rate mortgage vs the cost of breaking a fixed rate mortgage is likely another reason you went with a variable rate in the first place.


Breaking your mortgage contract


Did you know that almost 60% of Canadians will break their current mortgage at an average of 38 months? And while you might have the best intention of staying with your existing mortgage for the remainder of your term, sometimes life happens, you need to make a change.


Here’s is a list of potential reasons you might need to break your mortgage before the end of the term. Certainly worth reviewing before committing to a fixed rate mortgage. 


  • Sale of your property because of a job relocation.
  • Purchase of a new home.
  • Access equity from your home.
  • Refinance your home to pay off consumer debt.
  • Refinance your home to fund a new business.
  • Because you got married, you combine assets and want to live together in a new property.
  • Because you got divorced, you need to split up your assets and access the equity in your property
  • Because you or someone close to you got sick
  • Because you lost your job or because you got a new one
  • You want to remove someone from the title.
  • You want to pay off your mortgage before the maturity date.


Essentially, locking your variable rate mortgage into a fixed rate is choosing to voluntarily pay more interest to the lender while giving up some of the flexibility should you need to break your mortgage.


If you’d like to discuss this in greater detail, please connect anytime. It would be a pleasure to walk you through all your mortgage options and provide you with professional mortgage advice.


Tonia Jacobsen

Mortgage Expert

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By Tonia Jacobsen December 17, 2025
Fixed vs. Variable Rate Mortgages: Which One Fits Your Life? Whether you’re buying your first home, refinancing your current mortgage, or approaching renewal, one big decision stands in your way: fixed or variable rate? It’s a question many homeowners wrestle with—and the right answer depends on your goals, lifestyle, and risk tolerance. Let’s break down the key differences so you can move forward with confidence. Fixed Rate: Stability & Predictability A fixed-rate mortgage offers one major advantage: peace of mind . Your interest rate stays the same for the entire term—usually five years—regardless of what happens in the broader economy. Pros: Your monthly payment never changes during the term. Ideal if you value budgeting certainty. Shields you from rate increases. Cons: Fixed rates are usually higher than variable rates at the outset. Penalties for breaking your mortgage early can be steep , thanks to something called the Interest Rate Differential (IRD) —a complex and often costly formula used by lenders. In fact, IRD penalties have been known to reach up to 4.5% of your mortgage balance in some cases. That’s a lot to pay if you need to move, refinance, or restructure your mortgage before the end of your term. Variable Rate: Flexibility & Potential Savings With a variable-rate mortgage , your interest rate moves with the market—specifically, it adjusts based on changes to the lender’s prime rate. For example, if your mortgage is set at Prime minus 0.50% and prime is 6.00% , your rate would be 5.50% . If prime increases or decreases, your mortgage rate will change too. Pros: Typically starts out lower than a fixed rate. Penalties are simpler and smaller —usually just three months’ interest (often 2–2.5 mortgage payments). Historically, many Canadians have paid less overall interest with a variable mortgage. Cons: Your payment could increase if rates rise. Not ideal if rate fluctuations keep you up at night. The Penalty Factor: Why It Matters More Than You Think One of the biggest surprises for homeowners is the cost of breaking a mortgage early —something nearly 6 out of 10 Canadians do before their term ends. Fixed Rate = Unpredictable, potentially high penalty (IRD) Variable Rate = Predictable, usually lower penalty (3 months’ interest) Even if you don’t plan to break your mortgage, life happens—career changes, family needs, or new opportunities could shift your path. So, Which One is Best? There’s no one-size-fits-all answer. A fixed rate might be perfect for someone who wants stable budgeting and plans to stay put for years. A variable rate might work better for someone who’s financially flexible and open to market changes—or who may need to exit their mortgage early. Ultimately, the best mortgage is the one that fits your goals and your reality —not just what the bank recommends. Let's Find the Right Fit Choosing between fixed and variable isn’t just about numbers—it’s about understanding your needs, your future plans, and how much financial flexibility you want. Let’s sit down and walk through your options together. I’ll help you make an informed, confident choice—no guesswork required.
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