Sarah Ferguson’s empty £4million central London home has sparked questions about whether the duchess and Prince Andrew could move from Royal Lodge amid a row with King Charles. As Andrew continues to grapple with the King over keeping his royal residence in Windsor, Fergie has been hauled into the row after neighbours claimed the house remains empty. The two-bedroom Georgian house is located in Belgravia – a short distance from the homes of their two daughters, Princesses Beatrice and Eugenie. The prince is understood to have been asked to leave Royal Lodge – which he shares with ex wife Fergi…