Valid: Served every day from 1pm - 4.30pm. Sweets: From chocolate eclairs to mouth watering lemon meringue pie - your day will be filled with sweets! Afternoon tea: Looking for a magical experience? Enjoy a royal afternoon tea by yourself or with your bestie at the majestic Royal Horseguards Hotel. The Royal Horseguards: Refined 5* hotel has been awarded a TripAdvisor Certificate of Excellence. Drinks: Enjoy a glass of 125ml Sparkling Wine, or a Rose Royale cocktail. Savoury: Tuck into some tasty smoked salmon fingers and more delicious sandwiches. Full menu below.