Low: Typically one or two people living in a one or two-bedroom flat who are home in the evenings and at weekends, and do laundry once a week. These households typically use the central heating from time to time but don’t use a tumble dryer or dishwasher.
Medium: Usually three or four people living in a three-bedroom house. Some household members are at home during the day, as well as in the evenings and at weekends, and they do an average of three loads of laundry a week. The central heating and electrical appliances are used regularly.
High: Households with more than four residents, such as students and large families, typically fall within the high energy usage group. In these households, someone is always at home during the day, in the evenings and at weekends. Large appliances such as the washing machine and dishwasher are used daily and there might be more than one television.
