Service Description

A building permit review for a shed, cabana or other detached structure which is an accessory to an existing house.

Service Outcome

Building Permit

All drawings to be done on standardized sized sheets, drawn to scale, fully dimensioned, signed and dated.

If drawings were prepared by a qualified designer (as defined under Div. C, Part 3, Section 3.2 of the Ontario Building Code), drawings must include the designer’s name, registration number, qualification identification number, signature, and stamp/statement that the person has reviewed and taken responsibility for the design activities.

All drawings, reports, and forms, including the completed Application for a Permit to Construct or Demolish, must be provided in a PDF format.

Site Plan

  • Survey or site plan showing property lines, lot area, right-of-way or easements (referenced to a current survey)
  • Location of existing/proposed buildings with overall dimensions and include setback dimensions to property lines and adjacent buildings.
  • Summary of permitted and proposed zoning provisions to include lot area, building area (GFA), coverage, and grade elevations to confirm height.
  • Indicate dimensioned parking areas, driveways, hard & soft landscape treatments, accessory structures (sheds, decks, detached garages, etc).

Accessory Structure to be shown on Site Plan, including:

  • Location of all existing and proposed buildings on the lot, setbacks to property lines, distance between proposed structure and other buildings on the lot.
  • Dimensions and locations of all required vehicle parking spaces and the driveway used to access the spaces(s).
  • Floor Plans, Elevations, Sections, Construction Details of the structure, including the details of the concrete floor slab, such as the concrete strength and re-enforcement proposed.

Construction Details and Notes

  • Building materials & specifications of all wall, floor, and roof assemblies with typical wall section and typical roof detail.
  • Provide guard details including connection detail.

Application to Construct or Demolish form

Building permit application form required for all submissions


Schedule 1: Designer Information form

Required for all designers, except Engineers and Architects when applying for any Construction Permit. Property Owners, if exempted, from Qualification / Certification (opens in new window), they must fill-in the form to specify the reason for exemption.


Tree Declaration form

Required for all projects where there is a potential for damage to private or City trees. Applicant is also responsible to comply with other Tree Protection By-laws.

You may now apply for a permit for an accessory structure (excluding laneway and garden suites) online using Toronto Building’s Express web application portal. This service allows applicants to see what documents are required and which outside approvals, if any, are applicable to the submission.  It also allows the applicant to track their submission from start to completion of the submission portion of the application process.

Apply for an Accessory Structure permit

To submit an application by email please use the ‘Email’ button on top of the Application for a Permit to Construct or Demolish.

Detailed steps for the email submission process are also available to assist in making your application.

Fee Effective Jan. 1, 2024
Residential Decks, Porches, Carports $198.59