Richmond house is a Grade II listed mansion Richmond Lock, Richmond, Surrey, UK and is London’s largest riverside home. It features two gated entrances and is situated on 3/4 of an acre of private grounds with 262 feet of Thames frontage. It was originally built for Lord Kilmorey and features over 18,000 square feet of living space with 8 bedroom suites, 2 staff flats, grand reception hall, formal living and dining rooms, gourmet kitchen, family room, library, ballroom that could possibly be turned into a lavish indoor swimming pool with spa, morning room, study, 7-car subterranean garage, 4-car above garage with courtyard parking, reflecting pool and formal gardens. There are two more buildings on the property; an old chapel (that could potentially be turned into an indoor swimming pool with spa) and coach house. It is listed at £15,000,000 or about $24,000,000.