Mayfair resident ordered to undo unlawful basement works at historic townhouse

No.3 Upper Brook Street was once the home of wealthy heiress and war heroine Viscountess Strangford, known as the ‘Bulgarian Florence Nightingale’

Grade I Grafton Street mansion is the finest option available in Mayfair right now, say agents

14,500 pile on the edge of Wimbledon Common featured in a guide to England’s best houses - and was described by agents as a ‘once-in-a-lifetime’ opportunity