britain hold referendum membership european union june 23. follow detail referendum work night source electoral commission reuters report voters give one piece paper question unite kingdom remain member european union leave european union ask put cross beside either remain member european union leave european union entitle vote uk parliamentary general election vote referendum include british irish qualify commonwealth citizens age 18 resident uk uk nationals resident overseas appear parliamentary election register past 15 years also right vote irish citizens bear northern ireland register vote northern ireland last 15 years addition peer citizens gibraltar able vote european parliamentary election vote deadline register vote midnight june 7. poll station open 0700 bst june 23 close 2200 local time currently plan broadcasters exit poll margin error deem large vote count hand count begin soon poll close apart gibraltar count begin 2300 local time 2200 uk time 382 local count areas count number ballot paper announce local turnout figure areas count area count vote announce local total 382 areas collate regional total final national result final result announce manchester jenny watson chief count officer reuters provide full coverage result factbox britain 's eu referendum work night