Changes to the Ontario Building Code

set of stairs

Building permits issues starting January 1, 2022 will be subject to the new amendments to the Building Code.

One of these amendments adds 3/4″ to the minimum tread depth for residential/private stairs.  This will required additional interior space to accommodate for the additional floor area.

It was also amended to increase the minimum run for stairs, reduce the maximum rise for stairs and a new provision was added to restrict open stair risers.

Visit the Province’s website to learn more about these and other amendments to the code or contact the Chief Building Official at ext. 106 or by email at

Posted November 8, 2021

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