Porting Your Mortgage

Tim Lyon • October 5, 2023

Porting your mortgage is when you transfer the remainder of your current mortgage term, outstanding principal balance, and interest rate to a new property if you’re selling your existing home and buying a new one.


Now, despite what some big banks would lead you to believe, porting your mortgage is not an easy process. It’s not a magic process that guarantees you will qualify to purchase a new property using the mortgage you had on a previous property.


In addition to re-qualifying for the mortgage you already have, the lender will also assess the property you’re looking to purchase. Many moving parts come into play. You’re more likely to have significant setbacks throughout the process than you are to execute a flawless port. Here are some of the reasons:


You may not qualify for the mortgage


Let’s say you’re moving to a new city to take a new job. If you’re relying on porting your mortgage to buy a new property, you’ll have to substantiate your new income. If you’re on probation or changed professions, there’s a chance the lender will decline your application. Porting a mortgage is a lot like qualifying for a new mortgage, just with more conditions.


The property you are buying has to be approved


So let’s say that your income isn’t an issue and that you qualify for the mortgage. The subject property you want to purchase has to be approved as well. Just because the lender accepted your last property as collateral for the mortgage doesn’t mean the lender will accept the new property. The lender will require an appraisal and scrutinize the condition of the property you’re looking to buy.


Property values are rarely the same


Chances are, if you’re selling a property and buying a new one, there’ll be some price difference. When looking to port a mortgage, if the new property’s value is higher than your previous property, requiring a higher mortgage amount, you’ll most likely have to take a blended rate on the new money, which could increase your payment. If the property value is considerably less, you might incur a penalty to reduce the total mortgage amount.


You still need a downpayment


Porting a mortgage isn’t just a simple case of swapping one property for another while keeping the same mortgage. You’re still required to come up with a downpayment on the new property.


You’ll most likely have to pay a penalty


Most lenders will charge the total discharge penalty when you sell your property and take it from the sale proceeds. The penalty is then refunded when you execute the port and purchase the new property. So if you are relying on the proceeds of sale to come up with your downpayment, you might have to make other arrangements.


Timelines rarely work out


When assessing the housing market, It’s usually a buyer’s market or a seller’s market, not both at the same time. So although you may be able to sell your property overnight, you might not be able to find a suitable property to buy. Alternatively, you may be able to find many suitable properties to purchase while your house sits on the market with no showings.


And, chances are, when you end up selling your property and find a new property to buy, the closing dates rarely match up perfectly.


Different lenders have different port periods


Understanding that different lenders have different port periods is where the fine print in the mortgage documents comes into play. Did you know that depending on the lender, the time you have to port your mortgage can range from one day to six months? So if it’s one day, your lawyer will have to close both the sale of your property and the purchase of your new property on the same day, or the port won’t work.


Or, with a more extended port period, you run the risk of selling your house with the intention of porting the mortgage, only to not be able to find a suitable property to buy.


So while the idea of porting your mortgage can seem like a good idea, and it might even make sense if you have a low rate that you want to carry over to a property of similar value, it’s always a good idea to get professional mortgage advice and look at all your options.


While porting your mortgage is a nice feature to have because it provides you with options, please understand that it is not a guarantee that you’ll be able to swap out properties and keep making the same payments. There’s a lot to know.


If you’re looking to sell your existing property and buy a new one, please connect anytime. It would be a pleasure to walk you through the process and help you consider all your options, including a port if that makes the most sense!

Tim Lyon

Mortgage Consultant

By Tim Lyon September 18, 2025
What is an Open Mortgage? In Canada, most mortgages are "closed" mortgages, meaning you'll face a penalty if you want to pay them off early. An open mortgage is different - it can be paid off at any time without penalty. However, this flexibility comes at a cost. Open mortgage rates are significantly higher than closed mortgage rates because lenders need to account for the possibility that you might pay off the entire balance at any time. This makes open mortgages unsuitable as a long-term strategy. When Open Mortgages Make Sense There are two main scenarios where an open mortgage can be a smart short-term solution: Planning to Sell Soon After Renewal If you're planning to sell your home within a month or so of your renewal date, it makes sense to renew into an open mortgage. This way, when your property sells, you can pay off the mortgage immediately without penalty. An alternative strategy is to renew your entire mortgage into a HELOC (Home Equity Line of Credit) if you qualify. A HELOC typically offers a lower rate and requires only interest payments, making it less expensive. However, not every lender offers HELOCs and not every borrower will qualify. Switching Lenders at Renewal The most common use case for open mortgages is when switching lenders at renewal. Sometimes its hard to make the dates line up exactly. For example if your renewal date is on a weekend or if you are on vacation or if we need a few extra days to get the new mortgage completed. In these situations, you would instruct your current lender to renew your mortgage into an open mortgage. A few days later, when we complete the switch to your new lender, the open mortgage gets paid out without penalty. Although the rate is high, since it's only for a few days, the overall cost remains minimal. I actually ask all my clients who are switching lenders at renewal to ask their existing lender to renew their mortgage into an open mortgage, even if we plan to align the dates perfectly. That way if there is a slight delay of a day or two they aren’t automatically renewed into a new closed mortgage by the existing lender. Quick Summary Key Benefits of Open Mortgages No penalties for early repayment – flexibility to sell or switch anytime Short-term solution for timing issues – useful during renewals and transitions Peace of mind – no risk of being stuck in a costly closed mortgage if plans change suddenly Important Considerations High rates (often double closed mortgage rates) make them unsuitable for long-term use Limited availability compared to standard closed mortgages Best used strategically for short-term situations like selling or switching lenders Example Imagine your mortgage is up for renewal, but you’re switching lenders and the process runs a few days past your renewal date. If you renew into a closed mortgage with your current lender, you could face penalties when you switch a few days later. If you renew into an open mortgage, you pay a slightly higher rate for those few days but avoid penalties altogether. Mortgage Term Glossary Closed Mortgage : A mortgage with restrictions on early repayment, usually with penalties for breaking the term. HELOC (Home Equity Line of Credit) : A revolving credit line secured by your home, typically at lower rates than an open mortgage. Mortgage Renewal : The process of negotiating a new term for your mortgage once your current one expires. Penalty : A fee charged by lenders if you break or pay off a closed mortgage early.
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