Thames House

Thames House
View of Thames House from Millbank
Interactive map of the Thames House area
General information
StatusCompleted
TypeOffice
Architectural styleNeoclassical
LocationCity of Westminster, 11 and 12 Millbank, London, United Kingdom
Coordinates51°29′38″N 0°07′32″W / 51.49389°N 0.12556°W / 51.49389; -0.12556
Current tenantsSecurity Service (MI5)
Construction started1929
Completed1930
Renovated1990–1994
Renovation cost£227m
OwnerHM Government
Technical details
MaterialPortland stone and granite
Floor count8
Design and construction
ArchitectSir Frank Baines
Architecture firmOffice of Works
Other designersCharles Sargeant Jagger (Sculptures)
Renovating team
ArchitectGMW Architects
Renovating firmProperty Services Agency and Security Service (MI5)
Structural engineerOscar Faber & Partners
Quantity surveyorNorthcroft, Neighbour & Nicholson
Main contractorJ Mowlem & Co.
Other information
Public transit access Westminster
Listed Building – Grade II
Official nameThames House (North and South Blocks With Bridge Link)
Designated16 January 1981
Reference no.1267604
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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.