Whammy Burger's counter inside Arbour, the rooftop food hall at Olympia: the Double Whammy, the vegetarian Symplicity Mushroom Burger, thick milkshakes, Ziggy Fries and Hangover Fries loaded with cheese, buffalo sauce and bacon. Gluten-free, vegan and vegetarian options, fully accessible via lifts from Olympia Way to the Canopy or from Hammersmith Road via Emberton Walk. Walk-ins only. Open Mon–Sat 12pm–10.30pm, Sun 12pm–10pm. Note: Whammy Burger trades within Arbour and is covered by the food hall's own food hygiene registration rather than holding one of its own.