It all adds up. From a list the other week ... TV: Toshiba 2500TB. 13.4W standby. 75W running. (12 year old). TV: Panasonic TX-1. 5.8W and 57W (25? years old). Video recorder: Panasonic. 8.1W and 16.5W (10 years old). DVD player. Tesco. (8 months old) 8.5W continuous Freeview box (Asda, 2 months old). 5.5W continuous Freeview box (Aldi, 'Tevion' 18 months old). 10.3W continuous.
20" 'V7' PC LCD monitor, 21W dim, 42.5W bright.