The Bar/Lounge at London Marriott Hotel Kensington
London Marriott Hotel Kensington's bar/lounge is referenced by experts. Out of 4 publications that we monitored, 4 acknowledged the bar/lounge, like Fodor's, Gayot and Oyster.
London Marriott Hotel Kensington 
Fodor's
Gayot
Oyster
Star Service
Fodor's "There's a good bar, but you'll probably want to eat out"
Gayot "The on-site restaurants include Nabuco Bar and Atrium"
Oyster "The property has an Executive Lounge with drinks and snacks, as well as nine event spaces, increasing its appeal for business travelers"
Star Service "The skyline can be seen on the seventh and eighth floor, but spending time in the windowless executive lounge can be depressing (although the service and offering are pleasant)"
