Hotel cocktail barclerkenwell
Tony Conigliaro's hotel cocktail bar inside the Zetter Townhouse on St John's Square in Clerkenwell London, opened 2011, runs a Victorian-styled drawing room and seasonally rotating menu.
Signature drink: Flintlock cocktail (gin, tincture of gunpowder tea)
Food: Snacks only
Tip: Walk-up at counter; book a side table a week ahead. The Marylebone Zetter sibling on Seymour Street has the same kitchen.
Hotel cocktail barmayfair
Agostino Perrone's hotel cocktail bar inside The Connaught in Mayfair London, opened 2008, runs the trolley-poured Connaught Martini and has topped the World's 50 Best Bars list twice.
Signature drink: Connaught Martini (trolley-poured)
Food: Hotel snacks
Tip: The trolley-Martini is the marquee order; £24 a glass. Book a fortnight ahead through the hotel; jacket required after 19:00.
Cocktail barshoreditch
Monica Berg and Alex Kratena's two-room cocktail bar on Old Street in Shoreditch London, opened 2019, runs Elementary (the front bar) and Tayer (the back), top-ranked on the world bar lists.
Signature drink: Negroni at Tayer; classic spirit-forward at Elementary
Food: Snacks only
Tip: Walk-up only at Elementary in front. Tayer in the back books a week ahead. The menu changes every season and shows the production process.
Cocktail barcovent-garden
Ryan Chetiyawardana (Mr Lyan)'s cocktail bar inside the Sea Containers hotel on the South Bank in London, opened 2019, runs an ingredient-driven menu that turns over twice yearly.
Signature drink: Whatever Mr Lyan ingredient feature is on the menu
Food: Snacks and small plates
Tip: Walk-up at the bar most weeknights; weekend tables book a week ahead. Six house ingredients drive the menu each season.
Cocktail barsoho
Mia Johansson and Bobby Hiddleston's two-floor cocktail bar on Old Compton Street in Soho London, opened 2016, runs an upstairs Irish-coffee bar and a basement late-night cocktail room.
Signature drink: Irish coffee at the upstairs bar
Food: Snacks upstairs, late kitchen downstairs
Tip: Upstairs takes walk-ins from 17:30. The basement runs to 02:00 with a deeper whiskey list. The Borough sibling has the same kitchen.
Hotel cocktail barmayfair
Salvatore Calabrese's hotel cocktail bar inside Dukes London in St James's, trading since 1908, claims to have inspired Ian Fleming's James Bond Vesper Martini in the 1950s.
Signature drink: Vesper Martini (trolley-poured)
Food: Hotel snacks
Tip: The trolley-Vesper is the marquee order; £28 a glass. Three-Martini limit per guest, sensibly enforced. Closed-jacket recommended.