What does the law say? The smokefree legislation for England (1997) makes it a criminal offence to allow smoking, which includes shisha, in virtually all enclosed public places and all workspaces. Indoor workplace smoking is a criminal offence and anyone wanting to smoke has to go outside in an open area to smoke. What is ‘substantially enclosed’? Areas you provide for use by smokers with a ceiling or roof but have an opening in the walls, which is less than half the total ar