Six out of 10 renters live in energy-inefficient homes
The UK government is considering a proposal that would require landlords to make their properties more energy efficient over the next few years. They say the changes will be "fair and proportionate".
By law, all homes that are sold or rented must have an Energy Performance Certificate (EPC), which measures, among other things, how well a property is insulated and heated. Homes are given a grade between A and G.