Martin Lewis warns kitchen appliance costs up to £1 per use and calls it a ‘demon’

Personal finance expert has warned about most expensive household appliance to runMoney-saving expert Martin Lewis has issued a warning about a ‘demon appliance’ that stands as the biggest energy guzzler in British homes and should be used with caution. Speaking on his BBC Radio 5 podcast peeviously, Mr Lewis offered crucial advice as household energy bills climb during the colder months.