The average size of a utility room is around 25 square feet. It provides enough room to store a few belongings but not much more.
The standard size of a utility room in a house is 4 feet by 6 feet. This varies greatly depending on the overall size of the house.
a average laundry room is 20 metres
The average laundry room is 110 sf :D
About 100 square feet is the averge room size for a heater to be used.
"Utility room" in French is "buanderie".
In the American home, the average size of a living room is about 250 to 300 square feet. The room is generally slightly rectangular in shape.
27ft by 19ft
About 20 x 25 is average where I live
There is no information on an internationally average size.
about 9 by 7 ft
6 x 4