A room that contains typically washing machine, tumble dryer, and other appliances which, in houses without such a room, would be in the kitchen or laundry
A utility room is a room in a house which is usually connected to the kitchen and which contains things such as a washing machine, sink, and cleaning equipment. A room used for keeping large typically household appliances, such as a washing machine and dryer, or for storing cleaning items, such as a mop, bucket, and broom. a room in a house where washing machines, freezers etc are kept