Code Library › Volume 1 › Section 9.5 — Design of Areas, Spaces and Doorways
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.5.3.1.Ceiling Heights of Rooms or Spaces

(1) Except as provided in Sentences (2) and (3), the ceiling heights and clear heights in rooms or spaces in residential occupancies and live/work units shall conform to Table 9.5.3.1. (2) Ceiling heights in secondary suites shall be not less than 1.95 m. (3) Clear heights under beams and ducting in secondary suites shall be not less than 1.85 m. (4) Areas in rooms or spaces over which ceiling height and clear height are not less than the minimum specified in Table

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.