Princess Diana favoured La Caprice which is now known as Arlington – where Princess Beatrice has been spotted recently - Alan Davidson/Shutterstock | GoffPhotos.com

Like a large volcano lying beneath Britain, the Sloanes never really go away. Sometimes they appear as a tame spout, at others as an irresistible flow destroying everything in their path. For some years they can appear to be dormant, but underestimate them at your peril.