The Government Says

FOI2025/01458 : Government Art Collection - Information about Artworks in Security Buildings

FOI2025/01458 : Government Art Collection - Information about Artworks in Security Buildings
Local copy of FOI_202501458_-_GCHQ.csv
Local copy of FOI_202501458_-_Vauxhall_Cross__3_.csv
Local copy of FOI_202501458_-_Thames_House__2_.csv

https://www.gov.uk/government/publications/foi202501458-government-art-collection-information-about-artworks-in-security-buildings

seen at 18:31, 6 February in Transparency and freedom of information releases.