NS&I has explained the “best way” Premium Bonds savers can check if they’ve won a prize as millions of pounds are currently going unclaimed.

According to the savings institution, 2,473,761 unclaimed prizes worth £89,696,075 are still waiting to be snapped up.

NS&I savers can win sums worth anything between £25 and £1million every month through randomly generated prize draws, so it’s worth people checking their numbers.

Premium Bonds winners are usually notified when they win a prize,…