who lives next door to number 10 downing street
Downing Street The Prime Minister's official residence is 10 Downing Street; the Chancellor's official residence is Number 11. The government's Chief Whip has an official residence at Number 12. The current Chief Whip's residence is at Number 9. The houses on the south side of the street were demolished in the 19th century to make way for government offices now occupied by the Foreign and Commonwealth Office.