Mansion House, London Mansion House, London Mansion House is the official residence of the Lord Mayor of London. It is a Grade I listed building. It is used for some of the City of London's official functions, including two annual white tie dinners. At the Easter banquet, the main speaker is the Foreign Secretary, who then receives a reply from the Dean of the Diplomatic Corps, i.e. the longest-serving ambassador. In early June, it is the turn of the Chancellor of the Exchequer to give his "Mansion House Speech" about the state of the British economy. Mansion House was built between 1739 and
São Bento Mansion São Bento Mansion São Bento Mansion () or, officially, the official residence of the prime minister () is a late 19th-century building that, presently, serves as the official residence of the Prime Minister of Portugal. It is located in the Lisbon civil parish of Estrela, back-to-back with São Bento Palace, seat of the Assembly of the Republic, the Portuguese Parliament. The house was first built by capitalist Joaquim Machado Cayres in 1877, to serve as his private residence. The plot of land he bought for it had belonged to the adjoining Benedictine Monastery since 1598. In 1928, the newly-established authoritarian