Mortgage Insurance Rule Changes Enable Homeowners to Add Secondary Suites

Candice Liberatore • January 2, 2025

As housing affordability challenges persist across Canada, innovative solutions are reshaping the way homeowners can contribute to housing supply. Starting January 15, 2025, new mortgage insurance rule changes will allow Canadian homeowners to access insured refinancing options to create secondary suites, such as basement apartments or laneway homes.


This move, announced in Budget 2024 and detailed by the Department of Finance Canada, is part of a broader strategy to increase housing density and improve affordability while offering homeowners the chance to generate additional income.


Why These Changes Matter

Historically, converting extra space into rental units has been both costly and mired in municipal red tape. Recent zoning reforms across Canada’s major cities, driven by Housing Accelerator Fund agreements, are reducing these barriers. The creation of secondary suites not only expands housing supply but also provides financial benefits to homeowners, such as offering seniors additional income to support aging in place.


Key Parameters for the New Rules

The new mortgage insurance program is designed to enable homeowners to build legal, self-contained secondary suites that comply with municipal requirements.


Here are the essential details:

Eligibility Requirements

Homeowners must already own the property.

The homeowner or a close relative must occupy one of the existing units.

Additional units must not be used as short-term rentals.


Project Specifications

New units must be fully self-contained with separate entrances (e.g., basement suites, laneway homes).

Up to four total dwelling units are allowed, including existing units.


Financial Parameters

The “as improved” property value must be less than $2 million.

Homeowners can refinance up to 90% of the property’s value, including the enhanced value from secondary suites.

The maximum amortization period is 30 years.

Additional financing must not exceed the project’s costs.


When Do These Rules Take Effect?

Starting January 15, 2025, lenders can submit applications for mortgage insurance under these updated parameters. This applies to all eligible properties across Canada, provided the new units align with municipal zoning requirements.


What This Means for Homeowners

For homeowners with underutilized space, such as basements or detached garages, this new program offers an opportunity to increase property value and create a source of long-term income. By building legal secondary suites, homeowners can contribute to Canada’s rental housing market while gaining financial security.


A Step Toward Housing Solutions

As housing supply remains a pressing issue, these mortgage insurance changes reflect a commitment to practical, homeowner-driven solutions. Whether you’re a senior looking to age in place or a family seeking to maximize your property’s potential, these changes represent an exciting opportunity to invest in your home and your community.

Stay informed and explore your options with your lender to determine if this program is right for you. The path to unlocking your property’s potential begins in 2025.


Candice Liberatore
By Candice Liberatore March 12, 2025
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By Candice Liberatore March 5, 2025
One of the benefits of working with an independent mortgage professional is having lots of great financing options! Rather than dealing with a single lender with one set of products, independent mortgage professionals work with multiple lenders who offer a wide selection of mortgage financing options that provide more choice. Increased choice in mortgage products is beneficial when your situation isn’t “normal,” or you don’t quite fit the profile of a standard buyer. Purchasing a new construction home through an assignment contract would be a great example of this. Purchasing a new construction home through an assignment contract can be tricky as not every lender wants the added perceived risk of dealing with this type of transaction. Most of these lenders won’t come out and say it; instead, they add a significant list of qualifying conditions to make the process harder. The good news is, there are lenders available exclusively through the broker channel that have favourable policies for assignment purchases. Here are some of the highlights: All standard purchase qualifications apply, including applicable income verification, established credit, and required downpayment Assignments can be at the original purchase price or current market value Minimum 620 beacon score with no previous bankruptcies or consumer proposals The full downpayment must come from the purchaser and not include any incentives from the seller. As far as documentation goes, the lender will want to see the original purchase agreement signed by all parties, the MLS listing, the assignment agreement signed by the builder, the original purchaser, and the new buyer. The lender will also want to see the side agreement between the original purchaser and the new buyer, including the amended purchase price. The lender will want to substantiate the value through a full appraisal. Now, as every situation is different, this list of conditions is in no way exhaustive but meant to show that assigning a new construction purchase contract is doable while highlighting some of the terms necessary to secure financing. If you’re looking to purchase new construction through an assignment contract, or if you’d like to discuss purchasing a home through traditional means, please connect anytime! It would be a pleasure to outline the mortgage products on the market that won’t limit your financing options!
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