Lighting and ventilation of living rooms in new law tenements.
NYC Admin. Code § 27-2060
in effect§ 27-2060 Lighting and ventilation of living rooms in new law tenements.
a. Required windows. Every living room in a new law tenement shall have a window opening on:
(1) A street, or
(2) A lawful yard or court.
b. Size of windows.
(1) The total area of all windows in the room shall be at least one-tenth the floor area of such room.
(2) Every required window shall be at least twelve square feet.
(3) At least one-half of every required window shall open.
(4) The top of one required window in a room shall be at least seven feet six inches above the floor.
c. Through ventilation.
(1) Every part of a dwelling unit of three rooms or less shall be either within eighteen feet of a street or yard or have a window opening upon a lawful court.
(2) If the window of any room opens on an inner court with a width of less than ten feet between the exterior wall of the dwelling and the lot line, there shall be a sash window connecting such room to an adjoining room within the dwelling unit. The sash window shall have at least ten square feet of glazed area, one-half of which shall open.
d. Dining space. A dining space shall have at least one window:
(1) That complies with the provisions of subdivision a; and
(2) That has an area not less than one-eighth the floor area of such dining space.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-60749Fetched: 10/24/2026