Cadbury family-size Dairy Milk bars get 10% smaller but price stays the same

In 2012, a 49g bar was reduced to 45g but the price remained 59p, while the 140g chocolate bar was reduced in size to 120g a year earlier. Photograph: Phil Noble/Reuters

Cadbury has slashed the size of its family-size bars of Dairy Milk by 10% as the nation’s favourite chocolate falls prey to “shrinkflation”.

The confectionery company has announced it is passing on rapidly rising production costs to customers, with US-based parent company Mondelez blaming inflation.