By Help On Energy UK / Home › Forums › Energy Discussion › Billing Issues This forum has 1 topic, and was last updated 1 month ago by Graham. Viewing topic 1 (of 1 total) Topic Voices Posts Last Post British Gas estimated my bill at £1,100 when I had been away — how do I dispute this? Started by: Graham 0 1 1 month ago Graham Viewing topic 1 (of 1 total) You must be logged in to create new topics. Log In Username: Password: Keep me signed in Log In