Whatsapped them 4 times to ask them to change my meter from the current incorrect estimation. Couldn't submit new meter reading as their last estimation was higher than my current reading, hence can't even set up direct debit. Kept telling me they will change it. It's been more than a week. Nothing happened. I am too busy to call as I am always at work. They just make it impossibly more troublesome on top of my busy work life. Finally off work at the weekend and they are not available by phone. Excellent! Definitely going to change and use another company next month.