Quote Originally Posted by IanD View Post
Check by reading your meters and sending actual, rather than estimated, readings. Good luck then getting a refund if one is due. A friend was overcharged by £2k and it took persistence to get it back.
The whole point of a smart meter is that it reads the numbers all the time, so there is no need for estimated readings. If you have a smart meter and you get an estimated bill speak to your supplier.