Windsor By-law 148-2025, s. 5.4.25(b) — Building and Property Standards By-law

Access to each habitable room shall be gained without passage through a furnace room, boiler room or storage room;

• (c) In the calculations referred to in Section 5.4.18 provided that one-half of the total area of such windows is above the top of the window well. Where less than half the light transmitting area of a window is above the top of a window well, only that area of the window above the top of the window well may be counted in the calculations;
• (d) The minimum required unobstructed ventilation area to the outdoors shall not be limited to the requirements of Section 5.4.19, if, in the opinion of the Officer, the location of windows that are capable of being opened or vents, providing such ventilation, is such as to create a poorly and inadequately ventilated room;
• (e) Except where a door on the same level as the bedroom provides direct access to the exterior, every floor level containing a bedroom in a suite shall be provided with:
• i) At least one window that can be opened from the inside without the use of tools; and
• ii) At least one window shall, in every bedroom, provide an unobstructed open portion having a minimum area of .35 m2 with no dimension less than 380 mm.
• (f) Each habitable room shall be separated from service rooms by

a suitable fire separation in compliance with Ontario Building Code Regulations.