Also available forStarbucks US
Starbucks UK · Croissants & Pastries · UK & Ireland
Butter Croissant Calories & Nutrition
One Butter Croissant from Starbucks UK has 259 calories, 5.6g protein, 27g carbs, 14g fat and 5.4g sugar.
Key facts
Calories
259 kcal
Protein
5.6g
Carbohydrates
27g
Sugars
5.4g
It ranks #3 of 16 croissants & pastries from lowest to highest calories, with 20% fewer calories than the category average of 322 kcal.
Add to the Starbucks UK calculatorIngredients & allergens
Allergens:
- Milk
- Wheat
- Egg
🥚 Suitable for vegetarians according to Starbucks UK.
Ingredients
WHEAT flour, butter (23%) (MILK), water, sugar, yeast, MILK powder, WHEAT gluten, EGG wash [EGG], salt, emulsifier: rapeseed lecithin, flour treatment agent: ascorbic acid.
Allergens shown in capitals as declared by Starbucks UK. Recipes change and items are made on shared equipment, so always check in store if you have an allergy.
Lower-calorie alternatives
Butter Croissant: common questions
How many calories are in a Butter Croissant?
One Butter Croissant from Starbucks UK has 259 calories, 5.6g protein, 27g carbs, 14g fat and 5.4g sugar. That is 13% of the 2,000 kcal reference intake for an average adult.
How much sugar is in Butter Croissant?
5.4g of total sugars, 6% of the 90g reference intake for total sugars.
Is Butter Croissant dairy-free or vegan?
The standard build contains milk. Starbucks UK prepares food and drinks on shared equipment, so traces are possible.
Source: Starbucks UK Nutrition & Allergen Guide - Beverages (Autumn 2026) (18/09/26); Starbucks UK Nutrition & Allergen Guide - Food (Autumn 2026) (05/10/26). Data checked 2026-10-15. Starbucks is a trademark of its owner; Fast Food Calc is independent and not affiliated with Starbucks.