“Mayfair has been the great central London district winner over the last 10 to 15 years,” he says. “It’s got everything. Finance is here, the banks, private banks, hedge funds, the art world, they’re all right here.” It would be wrong, though, to say that Mayfair caters only for foreigners. Right now, the voices we’re hearing may predominantly hail from overseas, but on a Saturday or Sunday they could be largely British. “The Brits come in at weekends,” he says. “The UK market is very important.” Even at these prices, it seems, and with our levels of taxation.