Ministry of Defence Main Building, Whitehall

E57960

government office building headquarters building

The Ministry of Defence Main Building in Whitehall is the central London headquarters of the United Kingdom’s Ministry of Defence and the primary office of the country’s senior defence leadership.

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All labels observed (6)

Label	Occurrences
Ministry of Defence Main Building	19
Main Building, Ministry of Defence, London	3
Ministry of Defence Main Building, London	3
Ministry of Defence Main Building, Whitehall canonical	2
Ministry of Defence, London	2
Main Building, Ministry of Defence	1

How this entity was disambiguated

This entity first appeared as the object of triple T465010 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Ministry of Defence Main Building, Whitehall
Context triple: [Secretary of State for Defence, locationOfOffice, Ministry of Defence Main Building, Whitehall]

A. 10 Downing Street
10 Downing Street is the official residence and executive office of the Prime Minister of the United Kingdom, located in central London.
B. National Defence Headquarters
The National Defence Headquarters is the central command and administrative hub of Canada’s Department of National Defence and the Canadian Armed Forces, located in Ottawa.
C. 11 Downing Street
11 Downing Street is the official London residence traditionally occupied by the United Kingdom’s Chancellor of the Exchequer, adjacent to the Prime Minister’s home at 10 Downing Street.
D. Colonial Office building, Whitehall
The Colonial Office building in Whitehall is a grand 19th-century government edifice in central London that historically housed the British Empire’s colonial administration.
E. UK Ministry of Defence estate
The UK Ministry of Defence estate is the nationwide portfolio of land, buildings, training areas, and facilities owned or used by the British armed forces and defence organisations.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Ministry of Defence Main Building, Whitehall
Target entity description: The Ministry of Defence Main Building in Whitehall is the central London headquarters of the United Kingdom’s Ministry of Defence and the primary office of the country’s senior defence leadership.

A. 10 Downing Street
10 Downing Street is the official residence and executive office of the Prime Minister of the United Kingdom, located in central London.
B. National Defence Headquarters
The National Defence Headquarters is the central command and administrative hub of Canada’s Department of National Defence and the Canadian Armed Forces, located in Ottawa.
C. 11 Downing Street
11 Downing Street is the official London residence traditionally occupied by the United Kingdom’s Chancellor of the Exchequer, adjacent to the Prime Minister’s home at 10 Downing Street.
D. Colonial Office building, Whitehall
The Colonial Office building in Whitehall is a grand 19th-century government edifice in central London that historically housed the British Empire’s colonial administration.
E. UK Ministry of Defence estate
The UK Ministry of Defence estate is the nationwide portfolio of land, buildings, training areas, and facilities owned or used by the British armed forces and defence organisations.
F. None of above. chosen

Statements (41)

Predicate	Object
instanceOf	government office building ⓘ headquarters building ⓘ
architect	E. Vincent Harris ⓘ
architecturalStyle	neoclassical architecture ⓘ
builtFor	Admiralty ⓘ linked to: Admiralty (United Kingdom) Air Ministry ⓘ War Office ⓘ
constructionEndDate	1959 ⓘ
constructionStartDate	1938 ⓘ
country	United Kingdom ⓘ
currentUse	offices of the Ministry of Defence ⓘ
function	headquarters of the United Kingdom Ministry of Defence ⓘ primary office of the United Kingdom’s senior defence leadership ⓘ
hasFeature	central courtyard ⓘ internal atria ⓘ secure offices for senior defence staff ⓘ
hasTenant	Chief of the Defence Staff’s office ⓘ Office of the Secretary of State for Defence ⓘ linked to: Secretary of State for Defence senior military and civilian defence leadership offices ⓘ
heritageStatus	Grade I listed building ⓘ
inaugurationDate	1959 ⓘ
locatedIn	City of Westminster ⓘ London ⓘ linked to: London, England Whitehall ⓘ central London ⓘ
maintainedBy	Ministry of Defence (United Kingdom) ⓘ linked to: Ministry of Defence
material	Portland stone ⓘ
nearby	Downing Street ⓘ Horse Guards Parade ⓘ Houses of Parliament ⓘ linked to: Palace of Westminster River Thames ⓘ linked to: Thames
numberOfStoreys	7 ⓘ
occupant	Ministry of Defence (United Kingdom) ⓘ linked to: Ministry of Defence
owner	UK Government ⓘ linked to: UK government
partOf	UK government estate in Whitehall ⓘ
previousName	Whitehall Gardens Building ⓘ
previousSiteUse	Whitehall Palace gardens ⓘ
refurbishmentCompletionDate	2004 ⓘ
renovation	major refurbishment in early 2000s ⓘ
securityLevel	high-security government facility ⓘ
streetAddress	Whitehall ⓘ

How these facts were elicited