Plekken in London

Britain's oldest wine merchant, 3 St James's Street since 1698, Royal Warrants and a working cellar tour

Piccadilly's 1707 grocery, the food hall, the Diamond Jubilee Tea Salon, the hampers everyone takes home

Davies Street's fine-wine and rare-spirits cathedral, Coravin tasting bar at the back

Moxon Street's cheese reference since 1992, Patricia Michelson's affineur, walk-in tasting room

Pistachio-green Soho deli since 1944, pasta as Italian commute