Union Jack Blackfriars Address: 225 Union StreetWaterlooLondon, SE1 0LR View in Map Telephone: 02076 339206 About this pub Hours of Operation: Mon 11:00 — 23:00 Tues 11:00 — 23:00 Weds 11:00 — 23:00 Thurs 11:00 — 23:00 Fri 11:00 — 23:00 Sat 11:00 — 23:00 Sun 11:00 — 22:00 Share this pub: