Minimum Distance For Window From Floor

Window wells greater than 44 inches in depth requires a permanently fixed ladder or steps to provide access.
Minimum distance for window from floor. An illustrated guide to the building mechanical and electrical codes by redwood kardon et al conditions requiring a window to have tempered glass include a window lower than 18 inches from the ground larger than 9 square feet in area with a top higher than 3. There is no minimum distance that a window must be from the floor even for second story windows. However if the window extends to within 18 inches of the floor it must either be safety glazed or have a bar or other physical barrier to prevent someone from falling into the glazing. According to code check complete.
Exceptions can be made for windows that do not open more than 4 inches or that have window guards or opening control devices in compliance with astm f2090 17. Glazing between the floor and 24 inches. An exception from this requirement also remains in the 2018 irc for windows that do not open more than 4 inches or that are. Where to install windows with tempered glass is not just dictated by the height of the window.
Window wells serving an egress window shall not be less than 9 square feet in area with a horizontal length width of no less than 36 inches. The distance between the bottom of the window and the floor is not usuallly an issue. Maximum 44 inches to window sill measured from finished floor. But there could be issues related to the type of glass that you have in the windows.
Code requires that windows within 18 of the floor are glazed with safety glass unless the individual panes are less than 9 sqft.