and Pecks. There are over 30 different species of trees in the water garden, including trees from the original planting over sixty years ago. The roof was designed to bear the load of one hundredweight per square foot (approximately 500 kilogrammes per square metre) with a drainage layer of brick and clinker beneath the soil. Although they are on a rooftop, the trees were made the subject of tree preservation orders in 1976. Gallery References 1938 establishments in England Department store buildings in the United Kingdom Grade II listed buildings in the Royal Borough of Kensington and Chelsea Grade II listed parks and gardens in London House of Fraser Kensington Nightclubs in London Parks and open spaces in the Royal Borough of Kensington and Chelsea Roof gardens Virgin Group Virgin Limited Edition