Cadbury Double Decker Bar £1.19 Cadbury Double Decker Bar quantity Add Item Product Avalibility Product is avaialble in below zipcode areas. ST1* ST2* ST3* ST4* ST5* ST6* ST7* ST8* Related products Cadbury Double Decker Chocolate Bar (4 Pack) £1.99 Add Item Cadbury Curly Curly Chocolate Bar (5 Pack) £1.99 Add Item Galaxy Smooth Milk Chocolate Bar (4 Pack) £1.99 Add Item