45 Park Lane, London45 Park Lane in London, United Kingdom has a corrected score of 4.1 ± 0.2 (fair evidence, 4 of 4 platforms), ranked 36 of 785 hotels we score in London. Its platform ratings, normalised to 0-5, average 4.3 before correction: Booking.com 4.3, Tripadvisor 5.0, Google 4.0, Agoda 3.8. Rooms from about $1,144 a night (cached, not a live quote).45 Park Lane is a five-star boutique hotel in Mayfair, directly opposite Hyde Park. Opened in 2011 in a converted office building, it belongs to the Dorchester Collection and has just 45 rooms, giving it an intimate, private-residence feel. Thierry Despont designed the interiors, which mix contemporary Art Deco styling with modern British art. Every room looks out over Hyde Park, twelve have balconies, and the top-floor penthouse has the largest terrace. Facilities include a spa, fitness studio, the CUT steak restaurant by Wolfgang Puck and BAR 45, with a dedicated host assigned to each guest. It suits travellers wanting personal service in a small luxury hotel, though rates start around $1,143 a night.What stands out

Hyde Park views from every room

Small 45-room boutique scale

Dedicated host for each guest

Spa and fitness studio on site

Watch out for

Very high nightly rates

Only 45 rooms, limited availability

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.