A brief definition about DOWNING STREET , the place where the prime minister live . Downing Street is the most famous street in the center of London ,England, . Downing Street was built in the 1680s by George Downing; moreover,The prime minister 's official residenCe is 10 downing street, and the chancellor's officcial residence is 11 downing street . Downing Street 's name taken from George Dawning who built several houses overlooked upon houses . In the late of 7th , George the second has given the apartment number 10 to Robert, and Bowl who was the prime minister in that time . George the second has reconstructed the front building ,and, in the 60th ,George has rebuilt again the house number 10 and 11 in both frontispiece . The houses between number 10 ,and Whitehall were acquired by the government ,and ruined in 1824 to permit the construction of the Privy Council Office, Board of Trade and Treasury offices.