Regarding water bills, people should check to see if they can switch to a water meter instead of a rateable water bill as it is cheaper, he suggested.

Mr Lewis urged Britons to “do everything you can.”

Energy prices are predicted to rise by a typical £2,000 for each household come October, he said so small changes could make all the difference.

He said: “Line by line look through your finances, but I suspect we also need increasing intervention from the state to help people because in some cases it does not add up.