Money expert Martin Lewis has warned Brits they need to urgently make some simple checks in order to save thousands in credit and reduce their energy bills.

The financial whizz told viewers of his Martin Lewis Money Show that millions of people in the UK could be missing out on the chance of landing a windfall.

Martin, the founder of MoneySavingExpert.com, said anyone in Britain who pays for their energy by direct debit needs to check that they are not overpaying. This is because suppliers…