British government The British government was the governing body of the United Kingdom . It was formally known as Her Majesty ' s government or His Majesty ' s government . Structure . The government was head by the Prime Minister of the United Kingdom who was elected by a democratic vote . The Prime Minister resided in 10 Downing Street . The Prime Minister and other ministers formed the Cabinet . They operated from either the Houses of Parliament or the Cabinet Room in 10 Downing Street . Members of Parliament each had their own constituency . ( TV : " Aliens of London " , PROSE : " The Plotters " ) The Ministry of Defence was a department of the British government responsible for its armed forces . ( TV : " Doctor Who and the Silurians " ) The Home Office was a department of the British government responsible for the order and security of the United Kingdom . ( TV : " " ) The Inland Revenue was responsible for taxation within the UK on behalf of the government . ( AUDIO : " Cuddlesome " ) Influence on the Doctor . The Doctor had a long - standing connection with the British government , consorting with monarchs , ( TV : " The Beast Below " ) Prime Ministers ( TV : " The Christmas Invasion " ) and other members . ( TV : " The Claws of Axos " ) History . During World War II , when it appeared that the United Kingdom would be invaded by Nazi Germany , four citadels were built under the surface of London . They were intended to allow the British government to continue operations if the worst happened . After the war , the citadels were maintained due to the threat posed by the Soviet Union in the Cold War . ( AUDIO : " The Fifth Citadel " ) In the 1950s , the British government created Department C19 . ( PROSE : " The Scales of Injustice " ) In the 1970s , the British government sponsored the Inferno Project , led by Professor Stahlman . ( TV : " Inferno " ) In 2006 , the government ' s Emergency Protocols came into play after the country was put on red alert under the suspicion of alien invasion . ( TV : " Aliens of London " / " World War Three " ) Following the downfall of Prime Minister Harriet Jones brought about by the Tenth Doctor on Christmas Day 2006 , ( TV : " The Christmas Invasion " ) used technology and hypnosis to work his way through the government , eventually being elected Prime Minister in 2008 , shortly followed by an invasion of Earth by the Toclafane who the Master was in league with . Earth was ruled by the Master for a year before the destruction of the paradox machine reversed time so that the invasion never happened . ( TV : " The Sound of Drums " / " Last of the Time Lords " ) In early 2008 , when the Cardiff Space - Time Rift fractured resulting in time slips across the world , the government was one of several organisations that noticed the strange appearances that were occurring worldwide and asked if it had anything to do with Torchwood . ( TV : " End of Days " ) In September 2009 , the British government sought to placate the 456 and destroy Torchwood Three to prevent them from interfering . ( TV : " " , " " ) In 2050 , the British Government was somehow taken over by a Korven called Lomax who turned it into a corrupt , totalitarian government in preparation for the pending Korven invasion . By this time , government agencies MI5 and MI6 appeared to have merged together to form the Department . The British government had also gained control of the Americas , the Pacific Union , and several other countries they considered " lesser " . ( TV : " Regeneration " ) References . Dave Oswald was very cross with the government in 2013 , something the Doctor wrote several pages of notes on . ( TV : " The Bells of Saint John " )