Dion Wine and Champagne Bar David Constable Reviews: 52-56 Leadenhall Street, London EC3A 2BJ Tel: 020 7702 9111 The interior decor at Bank’s Dion, Leadenhall Street, has a flawless and fresh appeal with a corridor stretching deep to the rear and lined with lighted booths for pin-stripped managers and mergers to swill, gargle and spit read more …