SIS Building

SIS Building
SIS Building viewed from Millbank with the River Thames in the foreground
Alternative names
  • MI6 Building
  • Legoland
  • Ceaușescu Towers
  • Babylon-on-Thames
  • Vauxhall Trollop
  • The Ziggurat
General information
Architectural stylePostmodern
Address85 Albert Embankment, Vauxhall, Lambeth
Town or cityLondon
CountryUnited Kingdom
Coordinates51°29′14″N 00°07′27″W / 51.48722°N 0.12417°W / 51.48722; -0.12417
CompletedApril 1994
Inaugurated14 July 1994
ClientSecret Intelligence Service
OwnerHM Government
Technical details
Floor area252,497 square feet (23,457.7 m2)
Design and construction
Architect(s)Terry Farrell and Partners
Main contractorJohn Laing plc
Other information
Public transit access Vauxhall

The SIS Building, also called the MI6 Building, at Vauxhall Cross houses the headquarters of the Secret Intelligence Service (SIS), also known as Military Intelligence, Section 6 (MI6), the United Kingdom's foreign intelligence agency. It is located at 85 Albert Embankment in Vauxhall, London, on the bank of the River Thames beside Vauxhall Bridge. The building has been the headquarters of the SIS since 1994.