Belmond The Cadogan vs The Emory

Sixty-seven keys, and it behaves like it: staff learn your name by the first night, and the small gestures that follow (Arsenal scarves for a match mentioned only in passing, an anniversary cake, a teddy bear dressed on a child's bed) turn up in review after review, months and different guests apart. Several guests independently credit general manager Russell Pratt by name for setting the tone. The Chelsea location, opposite the private garden and a few minutes from Sloane Street and the Kings Road, is the other thing nobody disputes.

The catch is the base room. Deluxe rooms run small for the money, more than one guest has said the photos oversell the square footage, and one traveller was quietly rebooked from a junior suite into a standard room by a third-party booking error, only finding out the day before arrival. Book above the Deluxe category if you can. Wellness is thin too: there's no real spa program, and gym access has been inconsistent enough that at least one recent guest simply found it shut for their whole stay. This is a townhouse, not a resort, and it doesn't pretend otherwise once you're standing in an empty gym.

Suite rooms are where the money is well spent: the marble-and-mosaic bathrooms get singled out constantly, and Willetts' risotto and breakfast draw specific, repeated praise rather than generic five-star box-ticking. One guest fought a billing dispute over a broken radiator: the only sour note anyone's struck in months. Book a junior suite for the townhouse at its best: the marble bathrooms, Willetts downstairs, and staff who'll know your name by dinner.

The Emory is Maybourne's one genuine departure from the Claridge's/Connaught script: Richard Rogers' glass box across from Hyde Park, 61 keys, all-suite, barely a lobby, sharing a spa and rooftop with The Berkeley next door. Rooms opened around £1,600 a night and the entry Courtyard Studios still sit near that, which buys floor-to-ceiling glass, a stocked-free minibar, a Cédric Grolet pastry on arrival, and Surrenne downstairs, which guest after guest independently calls one of the best spas in London (the Tracy Anderson studio and snow shower get named unprompted, over and over).

This isn't a hotel that performs the same on night one as it does on night five. Guests who stay a week describe butlers who know them by day two and answer WhatsApp requests in minutes; guests passing through for a single night are the ones who hit a slow check-in, an unavailable manager, or a "suite" facing a neighbouring building with the curtains stuck shut. One long-stay guest made the point directly: at 61 keys, one bad night on a full house is a big share of your stay. The website oversells: the welcome champagne and unpacking service don't always show up, which reads less like malice than a two-year-old property still smoothing its edges.

Book it for the design, the spa, and the quiet if you can give it three nights or more and shrug off an off moment. It isn't built for a single-night stopover. Give it three nights and the butlers, the glass, and Surrenne make the case themselves.