The Lansdowne club is the heart of Mayfair Berkeley Square , the Lansdowne Club where 18th century grandeur and stylish Art Deco meet 21st century vitality. Which is perfect for a London Wedding venue . At the Lansdowne Club you can have your ceremony there in the Robert Adam designed Drawing Room or the Art Deco Dining Room . But the stunning 18th century Ballroom is the ideal venue for a wedding breakfast. Your champagne drinks reception can be either outside in the Winter Garden Courtyard or in the Long Gallery, next to the Ballroom.