The company's selection boxes, edible tree decorations, novelties and advent calendars accounted for 33 per cent of traditional Christmas sales last year, according to Nielsen figures.
Cadbury has refreshed its selection box range by introducing moving 3D images on the front of packs and has launched a luxury selection box called Winter Collection, containing bars of its best-selling brands such as Dairy Milk Fruit & Nut, Twirl and Flake.
Hollow Snowman novelty chocolates have been relaunched in 150g versions (rrp £1.99), and packs of new Cadbury Magical Elves, priced 20p each, will be also be available.
Kate Harding, acting head of customer relations, said: "The portfolio offers important core Christmas range solutions for all retailers and delivers what shoppers want during the festive period with the injection of some innovation."
Cadbury Trebor Bassett is relaunching its Wispa bar as a limited edition. Due to hit shelves on Oct 8, its target audience will be 20 to 35-year-olds who grew up in Wispa's 80s heyday.