Side by side Four Seasons Hotel London at Park Lane vs Mandarin Oriental Mayfair, London

Four Seasons opened this hotel in 1970 as the Inn on the Park, and it's still the one that put the brand on the map outside North America, running on the idea that comfort beats opulence. It's not a jaw-dropping lobby. It's a quiet street two minutes from Hyde Park, blackout curtains that actually work, and a staff that remembers your coffee order and your kid's name by the second morning. Tucked between Hyde Park and Green Park with Knightsbridge and Mayfair in walking distance, the location is hard to beat in this city.

The building itself splits opinion. Some love the residential warmth; others find the 1970s exterior flat and the renovated rooms oddly designed, with a doorless closet and a single light switch shared between the bathroom and the dressing area that means a 3am trip lights up the whole room. Breakfast is the other place it slips: the tasting menu at Pavyllon gets people genuinely excited, but the standard a la carte breakfast has produced repeated billing confusion, and one family's confirmed gluten-free order still arrived as regular bread, cold, on a birthday. Ask for a park-facing room; the rear rooms look onto a car park, not greenery.

Book it if you want London handled quietly and well: a hotel that solves jet lag and looks after kids without turning the stay into a production. Skip it if you're chasing the kind of history and drama you get at Claridge's or the Dorchester down the road, both of which trade some of this warmth for a grander sense of occasion. For a family wanting Hyde Park on foot and a bed that actually works after a long flight, this is still the one to book.

A one-night stopover here gets you a marble staircase people stop to photograph mid-coffee, suites bigger than almost anything else this central, and a rooftop bar with proper skyline views. The building is new enough that everything still feels considered: heated bathroom floors, windows that block out street noise entirely, a spa with a 25-metre pool that guests swim proper laps in rather than just dip into. For a hotel with only 50 rooms, that scale of finish is rare, and it's the reason so many guests call it their favourite Mandarin Oriental in the group.

Where it costs you is consistency, not quality. The doormen and reception staff get singled out by name for genuine warmth, but breakfast service has been described as guests left ten or fifteen minutes without a drink order taken, and the pool/spa desk has been left unstaffed with no one to direct guests out at closing. The hotel restaurant is also only open for breakfast, so outside the rooftop bar and room service there's nowhere else on property to eat, which matters more here than at a hotel with three restaurants to fall back on. One guest also flagged construction noise from next door, though most stays don't mention it. None of this cancels the staff warmth guests report elsewhere in the building, but at this rate it's fair to expect it at every table, not most of them.

Book it if you want the newest, most residential-feeling luxury address in Mayfair and you're not fussy about breakfast running on time. If you want old-world grandeur and more room categories to choose from, Claridge's is the obvious comparison; if it's your only night in London and you just want a beautiful, quiet room near the Elizabeth line, this is the one worth the money.