Office A3E / Property Guides
Understand the property.
Then plan the project.
Twelve practical guides for Toronto homeowners considering more homes on one property. Read the guide that answers your next question.
Start with the property
Can I Build a Multiplex?
Check the zoning, lot, existing building, access and budget questions that determine whether a Toronto multiplex is worth investigating.
Read the guide →05 / Property guideProperty Development Feasibility
Assess a Toronto property before buying, designing or building. Compare multiplex and ADU routes through permissions, site fit, cost, funding and next decisions.
Read the guide →Multiplex permissions
Toronto Multiplex Guide
Understand Toronto multiplex permissions, conversion versus replacement, site constraints and the next steps before committing to design or construction.
Read the guide →06 / Property guideFourplex Permissions
Understand Toronto fourplex permissions, conversion versus new construction, and the site and layout checks needed before designing four homes.
Read the guide →07 / Property guideWhere Sixplexes Are Allowed
Check where Toronto’s sixplex permissions apply, why a citywide study is different from an enacted rule, and what to investigate on an eligible lot.
Read the guide →Laneway & garden suites
Laneway & Garden Suite Guide
Compare Toronto laneway and garden suites, including access, lot constraints, trees, services and the checks to make before designing a rear-yard home.
Read the guide →08 / Property guideLaneway Suite Requirements
Check lane frontage, emergency access, the building envelope, trees and servicing before planning a Toronto laneway suite.
Read the guide →09 / Property guideGarden Suite Requirements & Costs
Assess the backyard, access route, building size and budget for a Toronto garden suite, with a transparent 600-square-foot planning example.
Read the guide →Costs & financing
Toronto Multiplex Cost Guide
Build a Toronto multiplex budget using transparent construction assumptions, cost per home, site work, consultant allowances, contingency and exclusions.
Read the guide →10 / Property guideLaneway Suite Cost Guide
Compare 600, 800 and 1,000-square-foot laneway suite budget scenarios and understand which costs sit outside a construction allowance.
Read the guide →11 / Property guideFinancing a Multiplex
Understand equity, construction advances and completion financing, and prepare the budget and property information a lender needs to assess a multiplex project.
Read the guide →12 / Property guideCMHC for Small Multiplexes
Compare homeowner refinancing, standard rental insurance and MLI Select, including the four-unit and five-unit thresholds that shape a small multiplex financing discussion.
Read the guide →Have an address in mind?
Move from general guidance to a preliminary property screen.
Check your property free ↗