UNIT HQ UNIT HQ was the name given to the operating base of a UNIT branch and usually refers to the headquarters of the British arm . It is not to be confused with UNIT Central Control in Geneva ( TV : " The Invasion " ) , the command and control facility for the entire international organisation . The UNIT HQ has occupied a number of physical locations . List of known UNIT HQ locations . Military plane . During the Cybermen invasion in the 20th century , UNIT HQ was on a military cargo - type propeller - driven aircraft . The facility included offices , a command and control centre , a vehicle bay and space and equipment for a UNIT Assault Platoon . The plane served as HQ for the officer commanding unit . There was also a Wing Commander aboard who held responsibility for flight operations . This mobile base allowed UNIT to move about more easily . ( TV : " The Invasion " ) In the early 21st century , when the UK branch were briefly framed as criminals , they escaped the country in another military plane which also served as a temporary in - transit base . ( AUDIO : " The Wasting " ) Building in London . During the Auton incident , UNIT HQ was in a building in London . This HQ included offices , a science lab and a parking garage . ( TV : " Spearhead from Space " ) This HQ was temporary . ( PROSE : " The Scales of Injustice " ) Building on the edge of London . The Third Doctor , after rescuing Doc Dantalion , requested that he sign over ownership of his 16th century manor house . This allowed UNIT to have a rent - free HQ , and its funding ( which had been cut by the government ) was restored . ( PROSE : " Where the Heart Is " ) It was located in Priory Mews in Denham , outside of London . ( PROSE : " The Scales of Injustice " , " The Face of the Enemy " ) This HQ featured offices , a parking garage and a science lab . It was briefly transported to an alternate universe by the Time Lord Omega . ( TV : " The Three Doctors " ) The location of the HQ was formerly occupied by a priory and later home to the Scarman family . It was visited by the Fourth Doctor and Sarah Jane Smith in 1911 , and was burnt to the ground after an incident with Sutekh . ( TV : " Pyramids of Mars " ) This HQ was visited by the Second Doctor in 1983 for a UNIT reunion . ( TV : " The Five Doctors " ) Tower of London . During the Sycorax ' s attack of Earth , UNIT had a HQ located under the Tower of London . ( TV : " The Christmas Invasion " ) Later , under Kate Stewart ' s leadership , the Tower was used a base for tests on the Shakri cube s . ( TV : " The Power of Three " ) Articulated truck . During the Sontaran incident in 2009 , UNIT maintained a mobile base in an articulated lorry . The vehicle included offices and modern command and control facilities . Nevertheless , at this time , the official HQ was still in the Tower of London . ( TV : " The Sontaran Stratagem " ) Headquarters in Geneva . During the Tengobushi incident , the UNIT Headquarters in Geneva was situated near the Palace of Nations , a short drive from the airport . ( AUDIO : " Death in Geneva " ) Headquarters in New York . The Tenth Doctor requested a clean - up of suspicious items sold at an auction at the Rockefeller Center from UNIT HQ , NY . ( COMIC : " The Fountains of Forever " )