Renovation Permits Guides in Toronto

In Toronto, building permits are essential not just for new constructions but also for significant renovations. The permit system ensures your renovation plans are safe and comply with neighborhood zoning by-laws. It is a legal requirement to submit a renovation plan and obtain a building permit before beginning any major renovation.

This guide outlines the types of projects in Toronto that require a building permit and provides everything you need to know about the city's requirements for major renovations including home bathroom interior renovations. If your project involves a bathroom renovation, basement renovation, home extension, or broader home renovation in Toronto, it helps to understand permit requirements early.

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What Types of Projects Require a Toronto Building Permit?

A building permit is required for various significant projects. Here are some common ones:

Structural Adjustments to Your Home:

• Building or demolishing interior walls

• Adding new windows and doors

• Enclosing an existing deck or patio

Home Additions:

• Adding a new floor to your house

• Constructing an attached garage, sunroom, porch, or deck

Constructing Large Structures on Your Property (Over 10 Square Meters):

• Building a detached garage, workshop, storage unit, gazebo, or pool house

Finishing a Basement:

• Adjusting the structural foundation

• Installing or modifying heating or plumbing systems

• Building a new foundation or excavating the existing one

• Underpinning the basement

• Building a basement entrance

Other Major Improvements:

• Demolishing all or part of a building

• Adding a rooftop storm water retention system or green roof

• Installing solar panels, chimneys, or fireplaces

• Modifying heating or plumbing systems

• Adding a backwater valve or backflow prevention device

What Needs to Be Included in Toronto building Permit Application for a home bathroom interior renovation?

While specific requirements may vary, all Toronto building permit applications must include renovation plans. These plans should consist of a floor plan, site plan, and/or cross-sections drawn to scale that show the existing space and the proposed renovation. Additionally, construction details and notes on the materials to be used and other specifications of the renovation should be included.

Renovation Plans Can Be Drafted By:

• A Designer registered by the Ministry of Municipal Affairs for a Building Code Identification Number (BCIN)

• An Architect qualified by the Ontario Association of Architects (OAA)

• An Engineer qualified by Professional Engineers Ontario (PEO)

• Yourself, if you have a good working knowledge of house construction and building codes

What Other Permits Might Be Required?

Depending on the scope of work and the location of your home, additional permits might be necessary. Complex projects like home additions may require several permits:

• Plumbing and HVAC Permits: Usually obtained from the City when the building permit is secured.

• Electrical Permit: Required for new outlets or circuit modifications, obtained from the Electrical Safety Authority.

• Landscaping Permit: Needed for landscaping work that extends beyond your property line.

• Street Occupation Permit: Required if renovation materials or containers need to be stored on the street.

• Tree Permit: Necessary for tree removal or if work might damage a tree.

• Heritage Permit: Required if the home is a heritage property.

• Toronto and Region Conservation Authority (TRCA) Permit: Needed if the home is near a stream, river, valley, wetland, or waterway.

When Must I Call for a Toronto Building Inspection?

Any project requiring a building permit also needs to be assessed by a city inspector. Depending on the project's scope, multiple inspections may be required. The City of Toronto specifies certain renovation stages where an inspector must visit before work can continue. For a list of these stages, visit the Toronto Building Inspections page.