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Decks

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deck on the back of a new house with dirt and trees

Decks are a great way to add living space and value to your home.

Here is what you should know before you begin:

 Building Permits

All decks constructed within the Town of Tillsonburg require a building permit prior to construction.

A complete Building Permit Application requires the following: 

  • Ÿ A completed building permit application form
  • Ÿ Two (2) copies of a Plot plan / survey showing your deck location
  • Ÿ Two (2) copies of your deck plans drawn to scale
  • Ÿ A lot grading plan may be required

Complete permit applications can be submitted to the Customer Service Centre.

 Zoning By-Law
Decks, regardless of size, must comply with the provisions of the Town of Tillsonburg zoning by-law.

Some general requirements include: 

  • ŸDecks (including stair portion) are permitted to encroach into a required rear yard setback a maximum of 3.7 meters (12 feet).
  • ŸDecks (including stair portion) are permitted to encroach into a required front yard setback a maximum of 1.5 meters (5 feet).
  • ŸIn most cases, decks are not permitted to encroach into a required side yard setback.

A survey of your property is typically required in order to determine the above setback requirements. If you do not have a copy of your survey, contact the Building Department to see if there is one on file.

 Ontario Building Code
The Building Code states that a platform 24 inches or higher is required to be protected by a guard (railing) that has a minimum height of 36 Inches. If the deck is 5 ft 11 Inches above the ground, than the minimum guard (railing) height increases to 42 inches.

Download "Doing it Right Guide - Decks" (PDF)

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