Check piggy banks and down sofas as there’s at least £1.4bn in old notes and coins out there – here’s how to make them spendable again

More than £28 billion worth of paper £5, £10, £20 and £50 notes are still to be cashed in, while just over £100 million worth of old ’round pound’ coins are also yet to be returned. Here’s how to make your old notes and coins spendable again.