take a visible photo of your meter reading and serial number and submit it as soon as possible. The Energy Price Guarantee limits the amount you can be charged per unit of gas or electricity.
The easiest way to take a meter reading is to take a photo of your gas and electricity meters. This means you have evidence in case you need to dispute a bill. You can send in your meter reading ...
That means that if you are on a standard variable tariff (SVT) and do not have a smart meter, it is crucial to take an accurate reading of your gas and electricity usage before 1 January.