- Important Allergen and ingredient information can be found on our website https://www.costa.co.uk/sustainability/nutrition#allergen-guides
- Adults need around 2000 kcal a day
About Costa Coffee - Watford Harlequin
Get Costa Coffee delivered to you with Deliveroo. Pick your favourite food and drink – from a handcrafted latte to a toastie, wrap or something sweet. Now that’s a great way to brighten your day. Find out more at: https://www.costa.co.uk
Popular with other people
Chai Latte
£4.50Mango & Passion Fruit Cooler
165 kcal
£5.00Salted Caramel Frappé with Coffee
£5.30Salted Caramel Frappé
£5.30BLT Sandwich
419 kcal
£4.45Wiltshire Ham & Mature Cheddar Toastie
393 kcal
£5.45Breakfast Bap Deal
£6.99
Deals
Breakfast Bap Deal
Choose 1 item from the required sections below. Subject to availability. Customisations, additions & milk alternatives subject to additional charge(s) shown. Items not listed are excluded. Full T&Cs at Costa.co.uk.£6.99Breakfast Bakery Deal
Currently sold out£5.99Large Breakfast Bakery Deal
Currently sold out£6.34Large Breakfast Bap Deal
Choose 1 item from the required sections below. Subject to availability. Customisations, additions & milk alternatives subject to additional charge(s) shown. Items not listed are excluded. Full T&Cs at Costa.co.uk.£7.34Lunch Deal
Choose 1 item from the required sections below. Subject to availability. Customisations, additions & milk alternatives subject to additional charge(s) shown. Items not listed are excluded. Full T&Cs at Costa.co.uk.£6.99Large Lunch Deal
Choose 1 item from the required sections below. Subject to availability. Customisations, additions & milk alternatives subject to additional charge(s) shown. Items not listed are excluded. Full T&Cs at Costa.co.uk.£7.34
What's New
Spanish Latte
A latte with condensed milk flavoured sauce, finished with a cappuccino dusting. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.**ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk**£5.05Spanish Iced Latte
An iced latte with condensed milk flavoured sauce, finished with a cappuccino dusting. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.05Wiltshire Ham & Mature Cheddar Croissant
Wiltshire cured ham and mature Cheddar cheese in an all-butter croissant. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.370 kcal
£4.45Iced Love Heart Gingerbread
Iced gingerbread biscuit. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.208 kcal
£2.80Banana & Chocolate Muffin
A banana and chocolate muffin filled with a chocolate sauce and topped with chocolate. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.377 kcal
£3.30Chicken & Bacon Toastie
British roast chicken & sweetcure bacon with mature Cheddar & mozzarella cheese on cheese topped white bread. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.460 kcal
£5.80Chilli Beef & Cheddar Toastie
British pulled beef & Korean BBQ inspired sauce with mature Cheddar cheese in a chilli crumb topped toastie. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.554 kcal
£5.95
Pastries, Baps & Breakfast
Greek Style Yogurt with Mixed Berry Compote
Greek Style Yogurt with Mixed Berry Compote and Crunchy Granola. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.249 kcal
£3.30
Main Meals
Wiltshire Ham & Mature Cheddar Toastie
Wiltshire ham and mature cheddar with a hint of mustard on white bread, topped with melted cheese. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.393 kcal
£5.45BLT Sandwich
Beechwood smoked bacon with tomato, lettuce & mayo on malted bread. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.419 kcal
£4.45Roast Chicken & Chorizo Panini
British roast chicken and Spanish chorizo with paprika & red pepper chutney, fresh spinach and cheese in a seed topped panini. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.474 kcal
£5.95Wiltshire Ham & Mature Cheddar Croissant
Wiltshire cured ham and mature Cheddar cheese in an all-butter croissant. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.370 kcal
£4.45Chicken & Bacon Toastie
British roast chicken & sweetcure bacon with mature Cheddar & mozzarella cheese on cheese topped white bread. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.460 kcal
£5.80Chilli Beef & Cheddar Toastie
British pulled beef & Korean BBQ inspired sauce with mature Cheddar cheese in a chilli crumb topped toastie. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.554 kcal
£5.95Hog Roast Toastie
Hickory pulled pork, spiced apple glaze, caramelised onion chutney, sage & onion stuffing & oak smoked Cheddar in garlic & herb topped bloomer. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.546 kcal
£5.70All Day Breakfast Wrap
British Beechwood smoked bacon, pork sausage & free range egg with tomato ketchup in a barmarked tortilla wrap. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.604 kcal
£5.75Mozzarella & Tomato Panini (V)
Slow roasted tomatoes and basil pesto on a toasted sourdough ciabatta. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.493 kcal
£5.49Pork & Apple Sausage Roll
Seasoned pork sausagemeat with pulled pork and Bramley apples in all butter puff pastry topped with pork crackling. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.419 kcal
£4.00Free Range Egg Mayo Sandwich
Free range egg with seasoned mayonnaise on soft oatmeal bread. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.343 kcal
£3.90Cheese & Tomato Toastie (V)
The classic combination of cheese and tomato on toasted bread. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.430 kcal
£5.45
Muffins, Cakes and Bakes
Lemon Drizzle Loaf Cake
Lemon flavoured sponge with lemon curd, topped with a lemon flavoured syrup and glaze. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.402 kcal
£3.80Millionaire’s Shortbread (V)
Crisp Scottish shortbread base, topped with a buttery rich caramel and layer of milk chocolate. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.396 kcal
£3.20Banana & Chocolate Muffin
A banana and chocolate muffin filled with a chocolate sauce and topped with chocolate. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.377 kcal
£3.30Blueberry Muffin
A blueberry muffin, filled with a blueberry sauce and topped with blueberries. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.410 kcal
£3.30Lemon Muffin (V)
Lemon muffin with a gooey lemon curd centre. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.387 kcal
£3.30Chocolate Tiffin (V)
Milk chocolate binding dried fruit and digestive biscuit pieces. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.402 kcal
£3.20Raspberry & Almond Bake (V)
Almond rich frangipane topped with shiny raspberry jam. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.359 kcal
£3.20Bakewell Tart (V)
A butter rich pastry encasing a layer of almond frangipane, Morello cherry jam and sweet, glossy fondant. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.372 kcal
£3.20
Biscuits and Snacks
Balocco Wafers - Cocoa (V)
Crisp wafer biscuits layered with a sweet and creamy cocoa and hazelnut filling. Made in Italy. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£2.30Iced Love Heart Gingerbread
Iced gingerbread biscuit. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.208 kcal
£2.80Sweet & Salty Popcorn
Popped corn with sugar and salt. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.161 kcal
£1.80Sea Salt & Cider Vinegar Crisps
Hand-cooked potato crisps with Sea Salt & Cider Vinegar. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.199 kcal
£1.75Mature Cheddar & Red Onion Crisps
Hand-cooked potato crisps with Mature Cheddar & Red Onion. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.203 kcal
£1.75Lightly Sea Salted Crisps
Hand-cooked potato crisps with Sea Salt. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.203 kcal
£1.75Mini All Butter Shortbreads
Eight crumbly all butter shortbread bites. Perfect for sharing. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.53 kcal
£3.80Balocco Wafers - Milk Vanilla (V)
Crisp wafer biscuits layered with a sweet vanilla crème. Made in Italy. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£2.30Fruity Flapjack
Flapjack with dried apricots, cranberries, coconut and sultanas. Mixed with oats and baked until golden. (GF v). For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.246 kcal
£2.90Fruit & Oat Biscuits
This classic Scottish combination of raisins and rolled oats is always a winner. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.228 kcal
£2.50Pom-Bear Original Crisps
Deliciously light and crispy bear-shaped snacks that simply melt in your mouth. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£1.50
Iced Drinks
Salted Caramel Frappé
A rich salted caramel frappé, topped with a deliciously light whip topping. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.30PopularIced Latte
Chilled milk over ice, topped with espresso. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.30Salted Caramel Frappé with Coffee
A rich salted caramel & coffee frappé, topped with a deliciously light whip topping **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.30Mango & Passion Fruit Cooler
Mango and passionfruit puree base, simply blended with ice for a tropical and refreshing drink. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.165 kcal
£5.00Spanish Iced Latte
An iced latte with condensed milk flavoured sauce, finished with a cappuccino dusting. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.05Iced Flat White
An intense cortissimo shot, blended with milk, topped with whipped milk foam **ATTENTION: This drink cannot be made dairy free as the whipped layer contains milk.**. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.25Iced Cappuccino
A bold and balanced coffee, made with freshly extracted espresso and topped with whipped milk foam. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk**. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.30Iced Americano (White)
Espresso coffee served over ice with milk or dairy alternative. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£3.70Iced Black Americano
Classic black coffee served over ice. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.18 kcal
£3.70Peach Ice Tea
Sweet yet refreshing, peach iced tea. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.107 kcal
£3.95Coffee Frappe
Have your coffee fix in the form of a creamy, milky, ice-cold frappé, with cream. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.30Strawberries & Cream Frappé
A creamy drink with strawberry sauce. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.30Chocolate Fudge Frappé
Deliciously rich and chocolate-y, creamy blended drink with a light whip topping.**ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.30Chocolate Fudge Frappé with Coffee
Deliciously rich and chocolate-y, this creamy blended drink with added coffee is topped with a light topping. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk** For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.30Tropical Mango Bubble Frappe
Tropical Frappe; this scrumptious and fun frappe with rich mango flavoured sauce, bursting juicy mango bubbles & a delicious light whip topping, drizzled with rich mango flavoured sauce. WARNING CHOKING HAZARD: Not suitable for children under 3 years. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£5.45Red Summer Berries
Summer berries puree base, simply blended with ice for a bright zing-y experience. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.218 kcal
£5.00
Coffee
Latte
Our signature blend espresso with steamed milk for a smooth and creamy coffee. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.30Flat White
A short but intense espresso, expertly combined with sweet textured milk for a rich and velvety coffee. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.25Cappuccino
Perfectly extracted espresso capped with luxurious frothy milk, finished with a chocolatey dusting. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.30Spanish Latte
A latte with condensed milk flavoured sauce, finished with a cappuccino dusting. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.**ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk**£5.05Americano
Espresso combined with hot water for a smooth black coffee - enjoyed black or with a splash of milk. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£3.70Americano
Espresso combined with hot water for a smooth black coffee. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.18 kcal
£3.70Cortado
A short but intense espresso swirled with velvety milk, served in a short glass for a small but rich drink. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£3.70Mocha
Expertly steamed chocolate milk blended with espresso for a caffeinated chocolate treat. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.50
Hot Chocolate and More
Chai Latte
A warm comforting milky tea with aromatic spices. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.50Hot Chocolate
Currently sold out£4.40White Hot Chocolate
Rich, creamy and silky smooth. **ATTENTION: This drink cannot be made dairy free, even when made with a dairy alternative, due to other ingredients containing milk**. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£4.40
Teas and Infusions
Mellow Mango with Zinc
Mango, camomile & green tea with zinc served with an orange slice. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.6 kcal
£3.30Spiced Apple with Vitamin B6
Apple, cinnamon & green tea with vitamin B6 served with a cinnamon stick. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.8 kcal
£3.30Citrus Zing with Vitamin C
Lemon, ginger & green tea with vitamin C served with a lemon slice. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.3 kcal
£3.30English Breakfast Tea
A bold and full bodied tea, full of flavour and perfect for brightening up your day. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£3.10Green Tea
A wonderfully mellow steam dried green tea from Eastern China. So delicious and easy to drink. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£3.10Mint Tea
Everything you expect from the ultimate mint experience - glorious peppermint, rounded with vibrant bursts of sweet spearmint. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.1 kcal
£3.10
Chilled Drinks
Costa Caramel Swirl Frappé
Costa Caramel Swirl Frappé 250ml. For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.145 kcal
£2.45Innocent Kids Smoothie
A blend of whole crushed fruit, pure juices and absolutely nothing else. (150ml) For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£2.25Coca-Cola Original Taste
Enjoy the great taste of regular Coke. (500ml). For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£2.85Diet Coke
Sugar and calorie-free with a light, refreshing taste. (500ml). For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£2.75Coca-Cola Zero Sugar
Zero sugar, same great taste as the original. (500ml). For full allergen and nutrition information, please visit https://www.costa.co.uk/menu.£2.75