You should heat your home to a temperature that is comfortable for you. In rooms you mostly use such as the living room or bedroom, try to heat them to at least 18°C if you can, particularly if you have a pre-existing medical condition. You should also keep your bedroom windows closed at night. Exposure to low indoor temperatures can have a serious impact on your health as you get older. Wearing several layers of clothing will keep you warmer than one thicker layer