If the window is much longer there is no reason to make sure the window is 90 cm 3 feet from the floor.
Window height from floor code.
So there are not minimum heights implied only protection from falling.
If the height of the door is 7 ft and the height of the window is 4 ft then the height of the window will be 7 ft 4 ft 3 ft.
It can vary depending upon the size of the window ceiling height and owner requirement.
At this height it s foolish to keep the windows at 2 m 6 feet 8 inches especially with larger windows.
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 standard height of window from floor level is 900 mm or 3 ft.
Minimum window sill heights the 2018 irc continues to require the bottom of openings created by operable windows to be a minimum height of 24 inches above the adjacent interior floor when they are more than 6 feet above the grade outside the window.
Modern homes also tend to have deeper rooms so to keep from.
2 r312 2 1 window sills in dwelling units where the top of the sill of an operable window opening is located less than 24 inches 610 mm above the finished floor and greater than 72 inches 1829 mm above the finished grade or other surface below on the exterior of the building the operable window shall comply with one of the following.
Building regs part l k2 answered 6th jul 2011.
Any windows in a door must have tempered glass no matter the height unless it is too small for a 3 inch ball to pass through the window.
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.
If you are installing windows within 2 feet of a door and lower than 5 feet from the ground you need tempered glass in the windows even though these might be higher than 18 inches from the ground.