A stunning purpose built exhibition space in the heart of Westminster could be one of the city’s most unique venues The Royal Horticultural Halls is hoping to attract exhibitions to its second exhibition space in the heart of Westminster. The Lawrence Hall, built in 1928, is leased to Westminster School in term time, but during the holidays can provide a second events space with a capacity of up to 1,500 standing. Venue sales manager Diane Worcester said: “To have a s...