Costa Pick
Costa Coffee Caramel Latte Bottle 330ml
£3.30178 kcal
Costa Coffee Diet Coke Price, Calories & Nutrition UK
Looking for the Costa Coffee Diet Coke price, calories and nutrition? This popular chilled bottled drink costs £3.10 and contains just 2 kcal per 500ml bottle. Everything you need to know about this refreshing, sugar free beverage is detailed below, from flavour to food pairings.
UK 2026 Price£3.10
Calorie Count
2kcal
~0% of adult daily 2,000 kcalServed All-Day from open to close across UK cafes
Verified UK 2026 MenuCosta Coffee UK
Available Extras & Syrups
Add flavour shots, toppings, or bakery pairings to your order.
Salted Butter Portion+75 kcal
+£0.35Strawberry Jam Portion+55 kcal
+£0.35Marmite Portion+15 kcal
+£0.35Allergen & Dietary Safety Information
Official allergen profile based on standard recipe formulations across UK Costa Coffee stores.
Suitable For
Standard recipe contains dairy / gluten.
Contains Allergens
No major declared allergens in base recipe.
May Contain (Cross-Contact)
No cross-contact allergens flagged.
Serving Options and Customisation
Diet Coke at Costa Coffee is served ready to drink in a 500ml bottle. The drink comes chilled and requires no customisation or add ons. Simply purchase at £3.10 and enjoy straight from the bottle. There are no size variations, milk options or syrup additions available for this product.
What Makes Costa Coffee Diet Coke Special?
Diet Coke offers a light, crisp flavour with zero sugar and virtually no calories. Its refreshing taste comes from a unique blend of natural flavours and sweeteners. Customers love its clean finish and familiar cola taste without the guilt. The 500ml bottle provides excellent value and convenience for busy days.
Best Food Pairings with Costa Coffee Diet Coke
Diet Coke pairs beautifully with Costa's savoury options like the Bacon Bap or Cheese and Ham Toastie. The crisp, clean taste cuts through rich, indulgent flavours perfectly. It also complements sweet treats like Millionaire's Shortbread, balancing sweetness with refreshing bubbles. Check out the full Costa Menu & Prices for more pairing ideas.
Alternative Items to Try at Costa Coffee
If you enjoy Diet Coke, try Coca Cola Zero Sugar for a similar zero calorie cola experience. Fanta Zero offers fruity refreshment with no sugar. For something different, Costa's Still Water provides pure hydration. Each alternative delivers great taste while keeping calories low and refreshment high.
How to Order Costa Diet Coke Online?
Download the Costa Coffee app or visit their website to begin ordering. Select your nearest store and browse the chilled drinks section. Add Diet Coke to your basket, choose a collection time and proceed to checkout. Complete payment securely, then collect your drink at your chosen time slot.
FAQs About Costa Coffee Diet Coke
Common questions on UK store prices, calories, timings, and customisation.
How much is Costa Coffee Diet Coke in the UK?
Costa Coffee Diet Coke is priced at £3.10 for a 500ml bottle. This price applies across Costa stores in the UK. Pricing may vary slightly at franchise or travel locations like airports and motorway services.
How many calories are in Costa Coffee Diet Coke?
Diet Coke contains just 2 kcal per 500ml bottle. This makes it an excellent choice for those watching their calorie intake. The drink is sugar free and designed to provide refreshment without added calories or guilt.
What ingredients are in Costa Coffee Diet Coke?
Diet Coke contains carbonated water, natural flavourings, sweeteners including aspartame and acesulfame K and citric acid. The formula is sugar free. It delivers the classic cola taste using carefully selected ingredients that keep calories and sugar to zero.
Does Costa Coffee Diet Coke contain any allergens?
There are no declared allergens in Costa Coffee's Diet Coke. The drink contains no common allergens like milk, eggs, nuts or gluten. It is generally safe for most dietary requirements, though always check packaging for manufacturing cross contamination warnings.
Is Costa Coffee Diet Coke suitable for vegetarians?
Diet Coke is suitable for standard diets and may contain animal products according to Costa's classification. While the drink itself appears plant based, Costa categorises it as standard. Vegetarians and vegans should verify suitability based on individual dietary preferences and requirements.
Final Thoughts
Costa Coffee's Diet Coke offers excellent value at £3.10 with just 2 kcal per bottle. Its sugar free formula and refreshing taste make it perfect for any occasion. Whether paired with food or enjoyed alone, it's a great choice. Visit your nearest Costa Coffee store or order online today.
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