1 Carlton Gardens is the official residency of which UK political office member?

Her Majesty's Principal Secretary of State for Foreign and Commonwealth Affairs, normally referred to as the Foreign Secretary, is a senior, high-ranking official within the Government of the United Kingdom and head of the Foreign and Commonwealth Office. The Foreign Secretary is a member of the Cabinet, and the post is considered one of the Great Offices of State. It is considered a position similar to that of Foreign Minister in other countries. The Foreign Secretary reports directly to the Prime Minister of the United Kingdom.

The official residence of the Foreign Secretary is No. 1 Carlton Gardens in the St James's district of the City of Westminster in London.