Notice: This site currently shows the 2012/2017 edition of the Ontario Building Code. The current legally effective code is the 2024 edition (O.Reg. 163/24), in effect since January 1, 2025. Confirm current requirements at ontario.ca.

The Ontario Building Code | Window Wells

9.14.6.3. window Wells

(1) Every window well shall be drained to the footing level or other suitable location.

In Plain Language

Window wells, the excavated areas around below-grade windows, must be drained as set out in this article, preventing them from collecting water that could leak into the basement.

This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.