Mansion House tube station routes N11, N15, N21, N26, N76, N199, N550 and N551 serve the station. Mansion House tube station Mansion House is a London Underground station in the City of London which takes its name from Mansion House, the residence of the Lord Mayor of London. It opened in 1871 as the eastern terminus of the Metropolitan District Railway. Today, Mansion House is served by the Circle and District lines. It is between Blackfriars and Cannon Street stations and it is in fare zone 1. The station is located at the junction of Queen Victoria Street and Cannon Street. Mansion House is
Winfield House Winfield House Winfield House is a mansion in Regent's Park, London, England, commissioned in 1936 by American heiress Barbara Hutton. The grounds are ; the second-largest private garden in the British capital after that of Buckingham Palace. Since 1955 it has been the official residence of the United States Ambassador. The house is Grade II listed as an "exceptional ambassador's residence and as a notable Neo-Georgian town house containing numerous features of note." It is located near Quinlan Terry's Regent's Park villas. The first house on the site was Hertford Villa, the largest of the eight homes originally built in