Prime Minister of the United Kingdom The Prime Minister of the United Kingdom was an individual appointed by the monarch , based on which political party or group of parties won a democratic vote . The Prime Minister was the political head of the United Kingdom . As the UK lacked fixed terms and came under repeated assault and scandal from alien lifeforms , the 1960s - 70s and 1990s - 2000s saw multiple Prime Ministers caused by rapid changes of government . 10 Downing Street was the seat of the Prime Minister ' s power . ( TV : " Aliens of London " ) In the 17th century , the Houses of Parliament were the meeting place of the Prime Minister and his Cabinet . There , they would discuss policy and law . ( PROSE : " The Plotters " ) By 1796 , the Cabinet met in session in the Cabinet Room inside 10 Downing Street . ( TV : " World War Three " ) The Doctor and the Prime Ministers . The Doctor had numerous encounters with the Prime Minister of the United Kingdom . These associations seemed to vary between friendships and general assistance . ( TV : " Aliens of London " , " Victory of the Daleks " ) However , the Doctor occasionally shunned the Prime Minister . His sixth and tenth incarnations showed distaste towards Margaret Thatcher ( AUDIO : " The Ultimate Adventure " ; TV : " Tooth and Claw " ) , and the tenth later opposed Harriet Jones ' s government . ( TV : " The Christmas Invasion " ) Using the alias Harold Saxon , the Doctor ' s arch nemesis once became the Prime Minister . ( TV : " The Sound of Drums " / " Last of the Time Lords " ) History . 18th century . Robert Walpole was the first Prime Minister of the United Kingdom . An android replica of Robert Walpole was among a succession of android British Prime Minister s up to Margaret Thatcher created by Tasq . ( PROSE : " Time Wake " ) On 20 March 1782 , Lord North announced he was stepping down as Prime Minister . His successor , Rockingham , dropped dead on 1 July after leaving peace negotiations with America . He was succeeded by Shelburne . ( PROSE : " The Adventuress of Henrietta Street " ) 19th century . William Pitt the Younger was the Prime Minister in the early 19th century . ( AUDIO : " Upstairs " ) After his victory at the Battle of Waterloo on 18 June 1815 and the consequent end of the Napoleonic Wars , Arthur Wellesley , Duke of Wellington served as Prime Minister . ( AUDIO : " Other Lives " ) George Canning was Prime Minister at the time of his death in 1827 . ( AUDIO : " Upstairs " ) In 1894 , the Prime Minister was known as the Earl of Rosebery . He asked Vastra , Jenny Flint , and Strax to attend the Academy of Science in September of the same year and protect other countries from stealing a time machine . ( PROSE : " The Singular Case of the Time Machine " ) Robert Gascoyne - Cecil was the Prime Minister in July 1900 . He was the last Prime Minister who refused to use 10 Downing Street as his official home . He instead allowed his nephew Arthur Balfour to use it . Balfour later became Prime Minister himself . ( AUDIO : " Upstairs " ) Like his predecessor , he was associated with the Paternoster Gang . ( PROSE : " Assassin on the Railroads " ) 20th century . Early 20th century . Herbert Asquith was the Prime Minister from 1908 to 1916 . ( AUDIO : " The Suffering " , PROSE : " Birthright " ) The Ninth Doctor mentioned meeting and drinking with David Lloyd George who was Prime Minister during World War I . ( TV : " Aliens of London " ) On 5 October 1930 , Charley Pollard named a Vortisaur " Ramsay " , after the then Prime Minister Ramsay MacDonald . ( AUDIO : " Storm Warning " ) Stanley Baldwin was the Prime Minister of the United Kingdom in 1936 . He informed King Edward VIII that neither his subjects nor the British government would accept his marriage to Wallis Simpson . ( PROSE : Players ) Neville Chamberlain was Prime Minister in the years leading up to World War II . He tried to secure peaceful agreements with Adolf Hitler and the aggressively expansionist Nazi Germany to avoid war but was unsuccessful . ( PROSE : " Illegal Alien " , " One Wednesday Afternoon " ) The Doctor spoke of having met and known then Prime Minister Winston Churchill during World War II . In his sixth incarnation , he encountered Churchill twice before he became Prime Minister and prevented the Player s from altering the man ' s timeline . ( PROSE : " Players " ) At some point , they became good friends and he gave Churchill his telephone number , ( TV : " The Beast Below " ) and Churchill likewise . ( COMIC : " The Instruments of War " ) They met more than once during the war , and each time Churchill would ask for use of the Doctor ' s TARDIS to end the war . ( TV : " Victory of the Daleks " ) Churchill would serve as Prime Minister again in the 1950s . ( TV : " The Idiot ' s Lantern " ) 1960s through 1980s . In 1963 , Harold Macmillan stepped down as Prime Minister and was succeeded by Sir Alec Douglas - Home , previously Earl Home . Both men were members of the Conservative Party . During Home ' s tenure as Prime Minister , there was a failed attempt to kidnap him , which was subsequently covered up by the British government . ( AUDIO : " The Pelage Project " ) As the Labour Party defeated the Conservatives in the 1964 general election , Harold Wilson succeeded Douglas - Home as Prime Minster . Various figures in the military , civil service , and MI5 were unhappy with this , seeing Wilson ' s government as riddled with communists , and a coup was attempted in late 1964 . ( AUDIO : " State of Emergency " ) In 1965 , he authorised the sacrifice of 12 children to an alien race known as the 456 in exchange for an antivirus . ( TV : " " ) His support in the 1970 general election was eroded by a series of disasters at scientific research facilities in 1969 - 70 , such as Wenley Moor and the Inferno Project . As well as the crisis caused during Black Thursday and the Mars Probe 7 incident . ( PROSE : " Who Killed Kennedy " ) Edward Heath succeeded Wilson as Prime Minister , but his government quickly came under fire due to the chaos at both of the Britain - hosted peace conferences , and the governments involvement with the Axon ite scandal . ( PROSE : " Who Killed Kennedy " ) Sometime in the 1970s , a Prime Minister , whose first name was Jeremy , was in charge . He asked the Brigadier to stop his inquiry about inexplicable deaths at the Global Chemicals . ( TV : " The Green Death " ) The Third Doctor , the Brigadier and Sarah Jane Smith met up with a Prime Minister during a potential alien invasion , and they were given permission to evacuate London to emergency shelters . ( COMIC : " Doomcloud " ) According to the Eighth Doctor , Thorpe and Williams served between Heath and Thatcher as Prime Minister . ( PROSE : " Interference - Book One " ) Williams was Prime Minister in 1976 . ( PROSE : " No Future " ) James Callaghan of the Labour Party succeeded Williams as Prime Minister , serving from 1976 to 1979 . ( AUDIO : " The Oseidon Adventure " ) Fragmentary historical records of the year 4000 erroneously stated that Bruce Forsyth was the Prime Minister of the United Kingdom in 1977 . ( AUDIO : " The Foe from the Future " ) Margaret Thatcher became Prime Minister in 1979 ( TV : " Tooth and Claw " ) and would remain in power until at least 1987 ( TV : " Father ' s Day " ) . She was the leader of the Conservative Party . Her party won the general election on 9 June 1983 in a landslide victory over Labour . ( AUDIO : " Rat Trap " ) During the late 1980s , the Doctor served as an advisor or consultant to her . He referred to her disdainfully as " that woman " and admitted that she terrified him . ( AUDIO : " The Ultimate Adventure " ) In his tenth incarnation , the Doctor expressed further distaste for her . ( TV : " Tooth and Claw " ) 1990s . John Major served as Prime Minister before Tony Blair . ( PROSE : " Interference - Book One " ) In 1992 , Margery Phipps became Prime Minister . She negotiated a " deep and lasting " peace treaty between nations . Her book " Love is All You Need " was still a bestseller 500 years later . ( AUDIO : " Council of War " ) On 6 May 1997 , a recently elected male Prime Minister , was assassinated by his own bodyguard while in Washington during the Lord Xznaal crisis . Lord Greyhaven would serve as a " de facto " Prime Minister under Xnaal ' s dictatorship for the next few weeks . ( PROSE : " The Dying Days " ) Terry Brooks was Prime Minister in 1999 . He came to power by making promises about social programmes and education which the UK couldn ' t afford to do . In order to get out of this , he worked with the Voracian s to cause a Y2K crisis and then frame General Randall for doing it as part of an attempted coup and cut funding for the armed forces , freeing money for his reform plans . After the UK was crippled by Y2K on 1 January 2000 , his plot was exposed and his career ruined . ( PROSE : " Millennium Shock " ) 21st century . In the 2002 general election , it seemed likely that Sherilyn Harper of the far - right New Britannia Party would become Prime Minister . Her plans to fake a terror campaign were exposed and the party ' s chances collapsed . ( AUDIO : " The Fearmonger " ) Tony Blair was Prime Minister some time before 2006 . Rose referred to him lying about foreign weapons of mass destruction . ( TV : " World War Three " , " Rise of the Cybermen " ) According to the Eighth Doctor , Blair was succeeded by Kenneth Clarke . ( PROSE : " Interference - Book One " ) An early 21st - century male Prime Minister incurred the wrath of ICIS and related interests in the government due to increased links with the European Union . After he signed the Euro - Combine Treaty , this conspiracy started a wave of terrorism in the hopes of getting him to declare martial law and give ICIS the power to take charge . He later declared he would shut down ICIS over this ( AUDIO : " The Longest Night " ) , but they remained in existence for a while longer . ( AUDIO : " The Wasting " ) This Prime Minister was close to his Deputy Prime Minister , Meena Cartwright , who was assassinated by ICIS . ( AUDIO : " The Longest Night " ) In early 2006 , while Rose Tyler and the Ninth Doctor were being escorted to 10 Downing Street , the Doctor asked Rose who the Prime Minister was . Rose responded that she had no way of knowing if the Prime Minister before Rose " missed a year " was still in office . By 2006 , the United Kingdom had a male Prime Minister . He was killed by the Slitheen , and the position of Acting Prime Minister was then assumed by Joseph Green , actually Jocrassa Fel - Fotch Passameer - Day Slitheen wearing the slain Green ' s skin . ( TV : " Aliens of London " ) Jocrassa and his brothers were later killed by a missile strike on 10 Downing Street . ( TV : " World War Three " ) Harriet Jones was appointed Prime Minister after the incident . ( TV : " Aliens of London " ) By Christmas 2006 , Jones had brought in a number of changes and was viewed positively , with some calling her term the start of a " golden age " . Her destruction of the retreating Sycorax , however , earned her the disfavour of the Tenth Doctor and he ensured her political downfall . ( TV : " The Christmas Invasion " ) Torchwood Institute leader Jack Harkness once rang her , angrily demanding to know why Torchwood files were being " given " to the opposition leader . ( TV : " Greeks Bearing Gifts " ) Following the 2008 election , " Harold Saxon " ( aka . ) was elected Prime Minister . Shortly after his election , he gassed his entire Cabinet and introduced the Toclafane to the human race , before being shot and killed by Lucy Saxon , his wife . ( TV : " The Sound of Drums " ) The general public remembered him as having gone insane . ( TV : " The End of Time " ) Among all ex - Prime Ministers , Saxon was on file by UNIT , who noted him as one of the Master ' s incarnations . This was revealed to the Twelfth Doctor by Osgood when the Master returned in a female incarnation , " " , commenting that " she wasn ' t even the worst . " ( TV : " Death in Heaven " ) By the year 2119 , Saxon was well - remembered enough that Alice O ' Donnell , though admittedly a follower of the Doctor ' s exploits , referred to 1980 as " pre - Harold Saxon " when brought back to that year by the Twelfth Doctor . ( TV : " Before the Flood " ) Following " Saxon " , Aubrey Fairchild became Prime Minister . The Doctor was unaware of who he was and remarked he " clearly makes no impression on history " . ( PROSE : " Beautiful Chaos " ) During the 2009 Dalek invasion of Earth the authorities , including Torchwood , lost contact with the Prime Minister ' s plane . ( TV : " The Stolen Earth " ) Brian Green succeeded Fairchild . ( TV : " " ) He came under criticism from foreign governments after Martin Trueman intercepted global broadcasts . ( TV : " Secrets of the Stars " ) He was Prime Minister during the 456 incident , first covering up Britain ' s history with the 456 ( TV : " " ) and later deciding to hand over a tenth of the country ' s children ( TV : " " ) . Afterwards , Denise Riley , with the backing of Bridget Spears , decided to blackmail him with the incriminating evidence . ( TV : " " ) He remained Prime Minister following the crisis . ( COMIC : " Don ' t Step on the Grass " ) In 2013 , after the Earth was briefly attacked by a neural reverser , the Prime Minister was discovered up a tree , trying to eat a Ferret . ( COMIC : " Hunters of the Burning Stone " ) In 2014 , the Prime Minister was a man . He was speaking at the House of Commons prior to August of the same year when a Kharitite rampaged the building , feeding on the negative emotions . The Prime Minister was traumatised by the incident , leaving him only able to speak in simple , childlike sentences . Paramedics came to his aid after the Eleventh Doctor took away the Kharitite , but all he could say was , " I want my beddy now . " ( COMIC : " After Life " ) Kate Stewart spoke with the Prime Minister at 10 Downing Street during the 2010s Nestene crisis . ( AUDIO : " Bridgehead " ) Not long following this , the Prime Minister was a woman who was influenced by the Silent s to resign and call an early election . ( AUDIO : " Square One " ) She lost the election to Kenneth LeBlanc , who had been installed with the help of subliminal messaging by the Silents . LeBlanc was subsequently killed on the orders of the Silents . Kate Stewart used the image of a Silent to compel his newly elected MPs to resign after his death . ( AUDIO : " Silent Majority " ) The former Prime Minister managed to win the subsequent election and return to power . ( AUDIO : " In Memory Alone " ) Daniel Claremont was the prime minister of the United Kingdom in 2015 . During his teenage years he attended Ravenscaur School , where he was transformed into a Sea Devil . During a " frozen " planes crisis UNIT called Coal Hill School in an attempt to reach Clara Oswald , however Mr . Dunlop picked it up and they almost put him through to the prime minister . ( TV : " The Magician ' s Apprentice " ) During the Sorvix occupation of Cardiff , the Prime Minister was Felicity . She spoke to Yvonne Hartman over the phone , and Felicity offered to call Kate Stewart to assist . ( AUDIO : " Herald of the Dawn " ) In 2025 , the was a woman . ( AUDIO : " Project : Destiny " ) In the following year , as foretold by the Ninth Doctor to Jackie Tyler twenty years earlier , a famous actress from her time would run for Prime Minister in the midst of a Slybot invasion . ( AUDIO : " Retail Therapy " ) General Mariah Learman was the Prime Minister after the Eurozone wars during the 2050s , by marching into the Houses of Parliament a shot at the ceiling . However during her experiments with time travel and the involvement of the Dalek s and being mutated into one and killed , she no longer was the PM . ( AUDIO : " The Time of the Daleks " ) 33rd century . Hawthorne , in the 33rd century , was the equivalent of a Prime Minister on Starship UK . ( TV : " The Beast Below " ) Alternative timelines . In an alternative timeline in which Germany won World War II and proceeded to conquer the United Kingdom and the rest of Europe in 1941 , Sir Oswald Mosley became Prime Minister after Churchill was executed . ( PROSE : " " ) In another alternative timeline , Melanie Bush became Prime Minister and led the United Kingdom against an invasion of by the Cybermen , only to be betrayed by an alternative version of the Third Doctor whose exile on Earth had never ended . ( PROSE : " The Quantum Archangel " ) Harriet Jones was meant to serve three terms in the regular timeline . ( TV : " World War Three " ) In both " Inferno Earth " and Pete ' s World , Britain were republics and a President was head of the government . ( TV : " Inferno " , " Rise of the Cybermen " )