Mandarin Oriental Mayfair, LondonMandarin Oriental Mayfair in London, United Kingdom has a corrected score of 4.1 ± 0.2 (solid evidence, 3 of 4 platforms), ranked 47 of 785 hotels we score in London. Its platform ratings, normalised to 0-5, average 4.2 before correction: Booking.com 4.0, Tripadvisor 4.1, Google 4.5. Rooms from about $1,735 a night (cached, not a live quote).Mandarin Oriental Mayfair is a five-star hotel on Hanover Square in central London's Mayfair district. The building, designed by Rogers Stirk Harbour + Partners, holds 50 rooms and suites plus 77 private residences, giving it a small, intimate scale. Facilities include a spa with pool and sauna, a gym, secure parking, and a restaurant from chef Akira Back, with room service and a rooftop bar. Oxford Street and the West End are within walking distance, so it suits shoppers and theatre-goers with a generous budget: rates start around $1,735 a night. Review scores are strong overall, though booking.com ratings sit lower than other platforms.What stands out

Intimate 50-room boutique scale

Prime Mayfair location near Oxford Street

Spa with pool and sauna

Restaurant by chef Akira Back

Watch out for

Very high nightly rates

Lower scores on booking.com

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.