THE BEST SIDE OF 52 AVENUE

Billionaires aiming to set down their designer-clad roots in London are spoilt for alternative. Silicon Valley bros are snapping up house in Notting Hill and Grosvenor Square, although The Holme, a rural mega-mansion in the midst of London, is on the marketplace for £250 million (that may signify, at the point of sale, It's going to be the most co