Jw Marriott Grosvenor House London, LondonJw Marriott Grosvenor House London in London, United Kingdom has a corrected score of 3.6 ± 0.2 (fair evidence, 3 of 4 platforms), ranked 225 of 785 hotels we score in London. Its platform ratings, normalised to 0-5, average 3.7 before correction: Booking.com 3.2, Tripadvisor 4.1, Google 3.8. Rooms from about $735 a night (cached, not a live quote).Located at 86–90 Park Lane in Mayfair, this 1929 landmark hotel provides 496 rooms and suites for business and leisure travellers. The property features a mix of traditional and modern interiors and includes significant meeting space, such as the Great Room, for large events. Guests have access to an on-site gym, dining options including the Gordon Ramsay Bar & Grill, and proximity to Hyde Park and Buckingham Palace. While the hotel offers high-end facilities and central access, some guest feedback indicates issues with bed comfort and staff service. The hotel operates under mandatory eco-rules regarding room cleaning.What stands out

Central Mayfair location

Extensive meeting facilities

On-site fitness centre

Pet friendly policy

Watch out for

Uncomfortable beds

Inconsistent staff service

Better-scored in London

Hotel 41-A Red Carnation Hotel, London: 4.4 ± 0.2 (solid evidence, 3 of 4 platforms), from $457 a night. Hotel 41 is a five-star boutique hotel at 41 Buckingham Palace Road in Westminster, London, part of the Red Carnation Hotel Collection.

Milestone Hotel, London: 4.3 ± 0.2 (solid evidence, 3 of 4 platforms), from $1,316 a night. The Milestone Hotel is a five-star boutique property set within a restored 1882 Victorian mansion in Kensington.

Pan Pacific London, London: 4.3 ± 0.2 (solid evidence, 3 of 4 platforms), from $615 a night. Pan Pacific London is a 43-storey luxury hotel on Bishopsgate in the City of London, close to Liverpool Street Station.