Fixed vs. Variable: Choosing the Right Mortgage Strategy

The choice between a fixed and variable rate is the most common dilemma my clients face. A fixed-rate mortgage offers the peace of mind knowing your payment and interest rate will not change for the entire term, usually five years. This is ideal for those on a strict budget or anyone who would lose sleep over potential interest rate hikes. Historically, however, variable-rate mortgages have often proven to be cheaper over the long run, even with periods of rising rates. In Ontario's current environment, the decision often comes down to your 'tolerance for volatility' versus your need for absolute budget certainty.

One of the biggest advantages of a variable-rate mortgage is the flexibility of the prepayment penalties. If you need to break your mortgage early because you are moving, selling, or refinancing, a variable rate typically carries a penalty of just three months of interest. Fixed-rate mortgages, on the other hand, use an Interest Rate Differential (IRD) calculation that can cost tens of thousands of dollars if market rates have dropped since you signed. Many of my clients in the GTA, where life changes like job transfers or family additions are frequent, choose variable rates specifically for this 'exit fee' protection rather than just the interest rate itself.

When evaluating the two, look at the 'spread' between the current variable and fixed options. If the variable rate is significantly lower than the fixed rate, you have a buffer to absorb potential rate hikes before the variable becomes more expensive. If the gap is narrow, the cost of 'insurance'—the extra interest you pay for a fixed rate—is very low, making a fixed rate highly attractive. There is also an intermediate option: the 'adjustable-rate' mortgage, where your payment actually changes with every Bank of Canada move, versus a 'variable' where the payment stays the same but the interest portion shifts.

My recommendation is to choose the fixed rate if you are within $500 of your maximum monthly budget capacity, as you cannot afford the risk of a payment increase shattering your finances. However, if you have a healthy cash flow and a high probability of selling the home within the next three to four years, the variable rate's lower penalty is likely the smarter financial move. Take a look at your household's five-year plan before you commit. We can model different rate scenarios to see exactly how much a 1% increase would affect your monthly lifestyle before you make the final call.