Mansion House underground station

Mansion House
Entrance on Cannon Street
Mansion House Location of Mansion House in Central London
Location	Queen Victoria Street/Cannon Street
Local authority	City of London
Managed by	London Underground
Number of platforms	2
Fare zone	1
OSI	Blackfriars Cannon Street
London Underground annual entry and exit
2012	5.65 million
2013	5.77 million
2014	6.20 million
2015	5.56 million
Key dates
1871	Opened as terminus (MDR)
1872	Started "Outer Circle" (NLR)
1872	Started "Middle Circle" (H&CR/MDR)
1884	Extended east, "Inner Circle" completed
1900	Ended "Middle Circle"
1908	Ended "Outer Circle"
1949	Started (Circle line)
1989	Closed for rebuilding
1991	Reopened
Other information
Lists of stations	DLR Underground National Rail Tramlink
WGS84	51°30′44″N 0°05′39″W / 51.5122°N 0.0941°W / 51.5122; -0.0941Coordinates: 51°30′44″N 0°05′39″W / 51.5122°N 0.0941°W / 51.5122; -0.0941

Mansion House is a London Underground station in the City of London which takes its name from the nearby Mansion House. 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 a sub-surface station with three platforms. The westbound platform, number 1, and the eastbound platform, number 3, are shared by both the Circle and District lines. A third platform was used for terminating eastbound trains, however it is no longer used and the track removed as services continue and terminate at Tower Hill.

Mansion House station was opened on 3 July 1871 by the Metropolitan District Railway (MDR, now the District line) when the company extended its line eastwards from St. Paul's station (which is now named Blackfriars). Mansion House became the new eastern terminus of the MDR.

The MDR connected to the Metropolitan Railway (MR, now the Metropolitan line) at South Kensington and, although the two companies were rivals, each company operated its trains over the other's tracks in a joint service known as the "Inner Circle".

On 1 February 1872, the MDR opened a northbound branch from its station at Earl's Court to connect to the West London Extension Joint Railway (WLEJR, now the West London line) which it connected to at Addison Road station (now named Kensington (Olympia)). From that date the "Outer Circle" service began running over the MDR's tracks. The service was run by the North London Railway (NLR) from its terminus at Broad Street (now demolished) via the North London Line to Willesden Junction, then the West London Line to Addison Road and the MDR to Mansion House.