Toronto Expands Pre-Approved Building Plans to Include Modern Fourplex and Sixplex Designs

📅 1 day ago 🏷️ City of Toronto Municipality

The City of Toronto has launched new pre-approved designs for fourplex and sixplex buildings, facilitating the addition of more homes across varied neighborhoods while adhering to sustainability and accessibility standards.

On October 2, 2026, the City of Toronto announced the expansion of its Pre-Approved Building Plans Program, introducing innovative designs for fourplex and sixplex buildings tailored to the diverse neighborhoods within the city. These new design options are adaptable for both wide and narrow lots, enhancing the city’s existing pre-approved plans for garden and laneway suites. This initiative aims to simplify the process for homeowners looking to add more residences to their properties, thereby contributing to Toronto's housing supply.
By offering these building designs free of charge, the City provides homeowners with a significant advantage in the design phase, helping to expedite the construction process. Each design has been crafted with a strong emphasis on Toronto's unique neighborhood characteristics and complies with the Ontario Building Code. The plans also incorporate features that promote sustainability, including provisions for bicycle parking and waste storage, among other amenities.
Critical considerations for the designs include accessibility, climate resilience, affordability, and construction practicality. The architectural firm responsible for these designs was selected through a rigorous competitive procurement process, ensuring high-quality outcomes that align with the City’s housing objectives.
This initiative dovetails with the Canadian Housing and Mortgage Corporation’s (CMHC) Housing Design Catalogue and supports the City’s efforts to expand multiplex zoning permissions. Currently, fourplexes are permitted throughout Toronto, while regulations for sixplexes may vary by location. If a proposed multiplex complies with zoning regulations, property owners can directly apply for a building permit, bypassing the Committee of Adjustment.
The new multiplex plans are designed to facilitate the preparation of building permit applications, which will then undergo the City’s review process. However, applicants must still engage a qualified design professional to ensure that the necessary site-specific drawings and information are prepared for their specific properties.
Toronto, with its population exceeding three million, is recognized for its diversity and vibrant community, making it a leading economic hub in Canada and one of the most livable cities globally. As an Official Host City for the FIFA World Cup 2026™, Toronto ranks as the fourth largest city in North America and is a global leader in various sectors, including technology, finance, culture, and climate action. The City consistently earns top spots in international rankings, reflecting the investments made by its government, residents, and businesses. For further details and to download the new plans, residents are encouraged to visit the City’s official website.

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