Multi-Unit & Triplex Building Permits Toronto
Convert or Build Multi-Family Homes with Expert Permit Guidance
Cadaxx specializes in multi-unit developments, from duplexes to four-plex conversions, turning homes into income-generating properties and thriving communities
At Cadaxx Design, we specialize in designing duplexes, triplexes, and townhouses that combine functionality, modern living, and long-term value. These multi-family dwellings are an excellent solution for maximizing property potential, generating rental income, or creating flexible living arrangements for extended families. Serving Toronto and the GTA, our team provides complete residential design and building permit services tailored to your unique project.
Designing smaller-scale multi-family housing requires attention to zoning bylaws, building code compliance, fire separation, and accessibility.
We carefully consider site conditions, space efficiency, and neighborhood character to create layouts that feel spacious, practical, and attractive. Whether you are converting an existing single-family home into a duplex, adding a triplex to your lot, or developing a row of modern townhouses, we ensure your project is designed with both residents and investors in mind.
From feasibility studies and concept design to permit-ready construction drawings, Cadaxx Design streamlines the process to save you time and avoid delays. We coordinate with engineers and city requirements so you can move forward with confidence.
With every duplex, triplex, or townhouse project, our goal is to deliver innovative, cost-effective, and sustainable solutions that make the most of your property and investment.
📞Contact us to schedule your consultation today to start your project
416 639 09 04
Cadaxx Design developed a modern multi-unit building in York, designed for efficient land use and compliance with Toronto’s zoning and multi-unit housing regulations. The project includes separate entrances, fire separations, and shared services carefully coordinated through detailed permit and structural drawings, creating comfortable and sustainable rental units within a compact urban footprint.
This Mississauga project adds a fully equipped secondary apartment above a new double garage. Cadaxx Design managed permit drawings, zoning review, and OBC compliance for structural framing, insulation, and egress. The result combines privacy and functionality—ideal for extended family or rental use while maintaining the property’s elegant, cohesive exterior design.
Cadaxx Design converted this detached dwelling into a legal 3-unit apartment building in full compliance with Toronto’s multi-unit zoning regulations. The project included separate entrances, soundproofing, and fire-rated construction between suites. Efficient layouts and coordinated structural and mechanical design provide comfortable rental units while preserving the original home’s residential character.
This York project transformed an older home into a functional triplex with three self-contained units. Cadaxx Design provided complete permit drawings, ensuring OBC compliance for exits, ventilation, and fire separations. The upgraded building now offers flexible living options, modernized interiors, and improved energy performance within an established Toronto neighborhood.
