Thames House, London
E108052
Thames House in London is a prominent government building best known as the headquarters of the United Kingdom’s domestic security and counter-intelligence agency, MI5.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Thames House | 6 |
| Thames House, London canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T871971 — 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: Thames House, London Context triple: [Security Service (MI5), headquartersLocation, Thames House, London]
-
A.
Bridgewater House, London
Bridgewater House in London is a grand 19th-century palatial townhouse, redesigned by architect Charles Barry, historically renowned for housing the celebrated Bridgewater art collection.
-
B.
Home House, London
Home House in London is an 18th-century neoclassical townhouse renowned for its elegant design by architect Robert Adam and its role as a prominent private members’ club.
-
C.
Somerset House, London
Somerset House in London is a grand 18th-century riverside complex renowned for its neoclassical design and its role as a major cultural and arts centre.
-
D.
Adelphi Buildings, London
Adelphi Buildings, London was an 18th-century neoclassical riverside development in central London designed by the architect Robert Adam and his brothers.
-
E.
Caxton Hall, London
Caxton Hall, London was a historic Westminster building known for hosting significant political and public events, including major press conferences and meetings.
- 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: Thames House, London Target entity description: Thames House in London is a prominent government building best known as the headquarters of the United Kingdom’s domestic security and counter-intelligence agency, MI5.
-
A.
Bridgewater House, London
Bridgewater House in London is a grand 19th-century palatial townhouse, redesigned by architect Charles Barry, historically renowned for housing the celebrated Bridgewater art collection.
-
B.
Home House, London
Home House in London is an 18th-century neoclassical townhouse renowned for its elegant design by architect Robert Adam and its role as a prominent private members’ club.
-
C.
Somerset House, London
Somerset House in London is a grand 18th-century riverside complex renowned for its neoclassical design and its role as a major cultural and arts centre.
-
D.
Adelphi Buildings, London
Adelphi Buildings, London was an 18th-century neoclassical riverside development in central London designed by the architect Robert Adam and his brothers.
-
E.
Caxton Hall, London
Caxton Hall, London was a historic Westminster building known for hosting significant political and public events, including major press conferences and meetings.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
MI5 headquarters
ⓘ
government building ⓘ office building ⓘ |
| architect | Frank Baines ⓘ |
| architecturalStyle | Neoclassical architecture ⓘ |
| city |
London
ⓘ
linked to:
London, England
|
| completionDate | 1930 ⓘ |
| constructionStartDate | 1929 ⓘ |
| coordinates | approx. 51.495°N 0.125°W ⓘ |
| country | United Kingdom ⓘ |
| floorCount | 9 ⓘ |
| formerOccupant | Imperial Chemical Industries ⓘ |
| function |
counter-intelligence operations
ⓘ
domestic security operations ⓘ |
| hasBasement | yes ⓘ |
| hasFeature |
internal courtyards
ⓘ
meeting rooms ⓘ operations rooms ⓘ reinforced structure ⓘ secure offices ⓘ security installations ⓘ |
| heritageStatus | not listed (as of early 21st century) ⓘ |
| inaugurationDate | 1930 ⓘ |
| locatedIn |
City of Westminster
ⓘ
London ⓘ
linked to:
London, England
|
| locatedInTimeZone | Europe/London ⓘ |
| locatedNear |
Houses of Parliament
ⓘ
linked to:
Palace of Westminster
Lambeth Bridge ⓘ River Thames ⓘ
linked to:
Thames
|
| locatedOn | Millbank ⓘ |
| maintainedBy |
Government Property Agency
ⓘ
linked to:
UK Government Property Agency
|
| materialUsed | Portland stone ⓘ |
| nearTransport |
Pimlico Underground station
ⓘ
St James's Park Underground station ⓘ
linked to:
St James's Park tube station
Westminster Underground station ⓘ
linked to:
Westminster Underground Station
|
| notableFor |
being MI5 headquarters
ⓘ
role in UK national security ⓘ |
| occupant |
MI5
ⓘ
linked to:
Security Service (MI5)
Security Service (United Kingdom) ⓘ
linked to:
Security Service (MI5)
|
| ownedBy |
His Majesty's Government
ⓘ
linked to:
His Majesty’s Government
UK Government ⓘ
linked to:
UK government
|
| region | Greater London ⓘ |
| securityLevel | high-security building ⓘ |
| streetAddress |
Millbank, London SW1
ⓘ
linked to:
Millbank
|
| usedAs | headquarters ⓘ |
| usedBy |
Home Office
ⓘ
Security Service (United Kingdom) ⓘ
linked to:
Security Service (MI5)
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Thames House, London Description of subject: Thames House in London is a prominent government building best known as the headquarters of the United Kingdom’s domestic security and counter-intelligence agency, MI5.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Thames House, London
linked to: Thames House, London
linked to: Thames House, London
linked to: Thames House, London
linked to: Thames House, London
linked to: Thames House, London