Brideshead accents, meanwhile, have been elbowed out along the Fulham Road, confusing the new Italian, French and German incumbents who came to Chelsea hoping to practise their English.
Aleksander Borev, a Bulgarian doctor, has lived in SW3 for the past four years. "Kensington and Chelsea is about money," he says, "and money these days is fluid, so the people who are here are the people who are everywhere. Europeans, mostly."
But Peter York, author of The Sloane Ranger's Handbook, and a keen anthropologist of the posh, compares the displacement of the upper classes to that of an indigenous people, forced off their land by loggers.