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Building a Deck or Porch

  • A deck is an uncovered platform, freestanding or attached to a dwelling.

  • A porch is a covered entrance to a dwelling that is either enclosed or unenclosed.

  • Decks and porches require building permits unless they are less than 10m2 (107ft2) in size and not attached to the building or located at an entrance. 

  • Residential properties are subject to 45 per cent maximum lot coverage. Lot coverage is the percentage of the total lot area covered by all of the buildings, including porches and decks. Decks less than 1.75 (5.9ft.) above grade shall be exempted from lot coverage restrictions.

  • Decks and porches cannot be constructed on easements. However, you may be able to have the easement released. Contact the Legal and Real Estate Services Branch for more information.

Zoning Standards For Decks And Porches

Location Minimum Distance from Lot Line
Front Yard 3m (9.8ft.)
Interior Side Yard 0.60m (2ft.)
Exterior Side Yard (Corner Lots) 1.5m (4.9ft.)
Rear Yard

0.60m (2ft.) Deck
5m (16.4ft) Porch

Rear Yard (Coner Lots) 1m (3.2ft.)

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