Thames House

Thames House
View of Thames House from Millbank
General information
Status	Completed
Type	Office
Architectural style	Neoclassical
Location	City of Westminster
Address	11 and 12 Millbank
Town or city	London
Country	United Kingdom
Coordinates	51°29′38″N 0°07′32″W / 51.49389°N 0.12556°W / 51.49389; -0.12556
Current tenants	Security Service (MI5)
Construction started	1929
Completed	1930
Renovated	1990–1994
Renovation cost	£227m
Owner	HM Government
Technical details
Material	Portland stone and granite
Floor count	8
Design and construction
Architect(s)	Sir Frank Baines
Architecture firm	Office of Works
Other designers	Charles Sargeant Jagger (Sculptures)
Renovating team
Architect(s)	GMW Architects
Renovating firm	Property Services Agency and Security Service (MI5)
Structural engineer	Oscar Faber & Partners
Quantity surveyor	Northcroft, Neighbour & Nicholson
Main contractor	J Mowlem & Co.
Other information
Public transit access	Westminster
Listed Building – Grade II
Official name	Thames House (North and South Blocks With Bridge Link)
Designated	16 January 1981
Reference no.	1267604

Thames House is an office building in Millbank, London, on the north bank of the River Thames adjacent to Lambeth Bridge. Originally used as offices by Imperial Chemical Industries (ICI), it has served as the headquarters of the United Kingdom's internal Security Service (commonly known as MI5) since December 1994. It also served as the London headquarters of the Northern Ireland Office (NIO) until March 2013.