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 cm.
So there are not minimum heights implied only protection from falling.
Note these safety.
Window replacement is typically determined when designing the exterior of a house with the height set to the standard door height of 6 feet and 8 inches.
If the cill height is less than 800mm from finish floor level regualtions state a suitable guard to be incorporated within the opening.
But if nothing is in front of the window lowering the sill will increase ventilation the more operable glass the greater the air flow and allow you to bring in more of a great view.
Only one window per room is generally required.
For roof windows the minimum height to the openable area is 600mm.
Casement windows height range from 2ft 5 5 inches to a maximum of 6 ft 5 5 inches tall.
R310 2 2 building planning window sill height.
Window height varies by location style and period.
With a standard 8 foot wall height this placement leaves a margin of 16 inches between the top of the window and the ceiling.
Bottom of the openable area is to be a minimum of 800mm and not more than 1100mm above the finished floor level.
However windows are traditionally about 90 cm 3 feet from the floor to allow for furniture to be placed beneath them.
Window placement is greatly varied as exemplified by the narrow windows placed real high in 1950s tract housing and the low and tall openings located almost on the the floor in suburban mansions of recent years.
Where a window is provided as the emergency escape and rescue opening it shall have the bottom of the clear opening not greater than 44 inches 1118 mm measured from the floor.
This is the ideal size for standard headers and plates and ensures that even the biggest cornice moldings and.
At this height it s foolish to keep the windows at 2 m 6 feet 8 inches especially with larger windows.
The truth is that there is no normal height of a window from the floor.
Awning windows are hinged at the top and open outward allowing for ample ventilation.
Building regs part l k2 answered 6th jul 2011.
Where the sill height is below grade it shall be provided with a window well in accordance with section r310 2 3.
Similarly many windows can be set lower than the common height of 3 feet above the floor.