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Double Decker
Double Decker by Cadbury provides 459 kcal per 100 g, with 55 g of sugars and 3.8 g of protein. That is 33% more sugar than the average product in this category. Its Nutri-Score is E. It is listed in the Bars covered with chocolate category and comes in a 9 x 37.3 g pack.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 Bar (37.3 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 459 kcal | 171 kcal | 488 −6% | |
| Total fat | 17 g | 6.3 g | 8% | 26.7 −36% |
| Saturated fat | 8.9 g | 3.3 g | 16% | 14.7 −39% |
| Carbohydrates | 72 g | 26.9 g | 10% | 53.2 +35% |
| Total sugars | 55 g | 20.5 g | 41.3 +33% | |
| Dietary fiber | 1.6 g | 0.6 g | 2% | 4.6 −65% |
| Protein | 3.8 g | 1.4 g | 3% | 7.4 −49% |
| Salt | 0.2 g | 0.1 g | 0.3 −36% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 364 Bars covered with chocolate products on Foodmetria.
Compared with other bars covered with chocolate
Bar shows the share of products in this category that contain less of the nutrient.
Product details
- Quantity
- 9 x 37.3 g
- Serving size
- 1 Bar (37.3 g)
- Sold in
- France, United Kingdom
- Barcode
- 7622201438609
Prices reported by shoppers
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Frequently asked questions
How many calories are in Double Decker?
Double Decker contains 459 kcal per 100 g and about 171 kcal per serving (1 Bar (37.3 g)).
How much sugar is in Double Decker?
Double Decker has 55 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Is Double Decker healthy?
It has a Nutri-Score of E (A is best, E is worst). Scores describe nutritional quality and processing, not suitability for your individual diet.
Source: Open Food Facts (ODbL). Last updated March 26, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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