Beaconsfield is a constituency in Buckinghamshire represented in the House of Commons of the UK Parliament since 2019 by Joy Morrissey of the Conservative Party. She succeeded Independent and former Conservative Dominic Grieve, whom she defeated following his suspension from the party. The constituency was established for the February 1974 general election.

Sir Anthony Charles Lynton Blair is a British politician who served as Prime Minister of the United Kingdom from 1997 to 2007 and Leader of the Labour Party from 1994 to 2007. He served as Leader of the Opposition from 1994 to 1997 and held various shadow cabinet posts from 1987 to 1994. Blair was Member of Parliament (MP) for Sedgefield from 1983 to 2007. He is the second-longest-serving prime minister in post-war British history and the longest-serving Labour politician to have held the office.