That's up to you - but its not a course I would take. You do though need clarity from Eon Next. If they are saying that the back billing rules do not apply, then they need to say so specifically and point out where the rules allow them to do as they are trying to do.
Current Eon Next customer, ex EDF, Zog and Symbio. Don't think dual fuel saves money and think the smart meter programme is a waste of our money. Chronologically Gifted. If I offend let me know by private message, but I’ll continue to express my opinions nonetheless.