Accessory structures and residential additions

Accessory structures (greater than 10 square meters/107 square feet)

Includes sheds, detached garages and gazebos
Accessory Structures Handout Package

Requirements to obtain a building permit for accessory structures

  • Permit Application Form (complete and signed)
  • All applicable fees
  • A survey plan/site plan drawn to scale, illustrating the following:
    • All existing buildings/structures
    • Lot width and lot depth
    • Proposed location of accessory structure(s) indicating setbacks to all property lines
    • Size of accessory structure(s)
  • The following working drawings, drawn to scale:
    • Foundation plan
    • Floor plan
    • All elevations
    • Cross section

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Residential additions

Includes sun rooms, solariums and attached garages

Requirements to obtain a building permit for residential additions


  • Site Plan or Survey to scale indicating the following
    • lot width and depth
    • proposed location of addition(s) indicating setbacks to property lines
    • Size of addition(s)
    • All existing buildings/structures on the property
  • Foundation Plan
  • Ground Floor Plan
  • Second Floor Plan
  • Elevations
  • Building Section

No single line drawings will be accepted

Read more on Building Permits

Last Updated: November 7, 2013. Broken links or incorrect information? Let us know!