Proper noun
(UK politics) The address of the residence in London of the Prime Minister of the United Kingdom.
(UK politics, by extension, metonymically) The title or office of the Prime Minister.
(by extension, metonymically) The government of the United Kingdom.
Source: en.wiktionary.orgI want Britain to become an Islamic state. I want to see the flag of Islam raised in 10 Downing Street. Omar Bakri
A 10 Downing Street spokesman said: “We sympathise with all of those caught up in this extremely difficult situation. Source: Internet
2009 receipt of winners medals The players and staff of England's winning squad who did not get medals in 1966 received them on 10 June 2009 after a ceremony at 10 Downing Street in London. Source: Internet
Boris Johnson, who was off work for a month after contracting the virus, observed the silence inside 10 Downing Street with Chancellor Rishi Sunak ahead of a meeting about the crisis. Source: Internet
Boris Johnson filming his address to the nation from 10 Downing Street. Source: Internet
“But whoever is elected Labour leader, I’ll be laser-focused on getting them into No 10 Downing Street.” Source: Internet