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NYC Building Code

§ 1203.5.1.2 — § 1203.5.1.2

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What is NYC BC § 1203.5.1.2?

Quick Answer

This section mandates that all habitable spaces must have natural ventilation through windows or glazed doors. An exception exists for Group R-3 occupancies, allowing the use of openable skylights or other light-transmitting media under specific conditions. Applies to building owners managing habitable spaces.

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

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1203.5.1.2 Habitable spaces.

BC § 1203.5.1.2

All habitable spaces shall be provided with natural ventilation in accordance with this section. Openings providing required natural ventilation to habitable spaces shall be windows and/or glazed doors to the outdoors. Exception: Group R-3 occupancies. Openable skylights opening directly to the outer air, transparent or translucent panels, or other natural light-transmitting media may be substituted for window openings in Group R-3 occupancies provided that they meet the minimum dimensional requirements of Section 1203.5.1.2.1.

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