Minimum Bedroom Window Size

However either or both requirements may be reduced or waived if sufficient artificial light sources and mechanical ventilation are supplied.

Minimum bedroom window size.

Codes require new homes to have the proper size basement and bedroom egress windows. If you add a closet it sounds like it could be a bedroom as long as the window to the exterior is an adequate size. However in order to be considered a bedroom the room must have heat a window large enough to escape through if you had to and a closet. To qualify a basement window as an egress you may also have to install window wells to enlarge windows and allow access.

Minimum window sill heights. So you can put a bed in a loft area with less than. At least half of the bedroom ceiling has to be at least 7 feet tall. There are more size dimensions to worry about here.

It must be at least 5 7 square feet that is at least 20 inches wide by 24 inches high with an opening no higher than 44 inches from the floor. No matter where in the house a bedroom is it must meet all the safety regulations. There is no minimum bedroom size in washington state. According to the 2018 irc all windows that are more than 6 feet above the grade outside the window must have a bottom opening a minimum of 24 inches above the room s interior floor.

The trickiest part is the window egress. When the sill height of an egress window is located below grade common for egress windows provided for a basement a window well must be provided. Any bedroom needs to have a ceiling that is tall enough for people to walk comfortably under typically 7 feet high or greater. But if you live in an older pre owned home open your bedroom windows fully pull out a tape measure and see if the opening meets current egress requirements.

If the sill is below ground the window itself will need larger dimensions 9 square feet. For determining egress window sizes and placement the international building code holds that every bedroom must contain at least one egress window. For lighting purposes a window s viewing size must be proportional to 8 of the room s floor area with an opening no less than 4 of the room s floor area for proper ventilation. Multiply the width by the height of the opening to determine whether it s the required 5 7 sq.

The area of a window well shall not be less than 9 square feet with a horizontal length width of no less than 36 inches.