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NYC Building Code

§ 1205.2.1 — § 1205.2.1

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What is NYC BC § 1205.2.1?

Quick Answer

This section establishes the minimum requirements for natural light in rooms, specifying that the net glazed area must be at least 10 percent of the floor area or 12 square feet, whichever is greater. Applies to building owners of Group R-3 occupancies and other properties requiring natural light standards.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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1205.2.1 Minimum opening.

BC § 1205.2.1

The minimum net glazed area shall be not less than 10 percent of the floor area of the room served. Every opening providing required natural light shall be at least 12 square feet (1.1 m 2 ) of glazed area. Exception: For Group R-3 occupancies, the net glazed area shall be not less than 10 percent of the floor area of the room served, or 12 square feet (1.1 m 2 ), whichever is greater.

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