London's indoor pool hotels allow year-round swimming regardless of weather. Most are 4- or 5-star properties in central districts like Mayfair, Knightsbridge, Marylebone, and South Bank. Pools are typically 15-18 meters, part of larger spa and fitness facilities. Budgets range from £150 to over £500 per night.
Top-rated options include The Savoy (94/100) on the Thames with Art Deco interiors and three Gordon Ramsay restaurants, Claridge's (93) in Mayfair with a spa and legendary afternoon tea, and The Lanesborough (96) overlooking Hyde Park with personal butler service. The Langham London (92) offers an award-winning bar and a 16-metre pool, while Shangri-La The Shard (91) provides panoramic views from levels 34-52. The Londoner (91) features a residents-only club and rooftop lounge in Leicester Square. Families appreciate Park Plaza Westminster Bridge for its pool and proximity to the London Eye, and St Pancras Autograph Collection for its location near King's Cross. These hotels cater to business and leisure travelers alike.