You may construct/erect one (1) shed or other accessory structure, including a gazebo, in the rear yard of a residential property. The accessory structure must be at least 0.6 metres (2 feet) from all property lines and shall not be bigger than 10 square metres (108 square feet) in area. A maximum building height of 3 metres (9 feet, 9 inches) is permitted.
On larger lots in Residential Hamlet or Residential Estate Zones, a setback of 1.2 metres (4 feet) must be maintained and the shed can be increased in size to a maximum of 23 square metres (248 square feet). The height can also be increased to a maximum of 4.5 metres (14 feet, 9 inches). A building permit must be obtained for any shed that exceeds an area of 10 square metres.
For corner lots or lots that back onto open space, floodplains, golf courses, etc., the zoning by-law may require different standards for residential sheds. Please contact Zoning Services at 905-874-2090 for site specific requirements.