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Our Collections

Bletchley Park holds internationally significant collections

The collection held at Bletchley Park focuses on items relating to the wartime story of Bletchley Park, with particular focus on codebreaking activities and the Codebreakers. As much of the evidence of codebreaking activity was destroyed after World War Two, the objects and documents that remain are of international significance.

The Trust’s own collections include personal items from Veterans, such as diaries, letters and recollections, and oral histories that add a unique personal insight into the wartime codebreaking activities. In addition, Bletchley Park is a repository for objects and documents on long-term loan from GCHQ’s historical collection. These include many of the key items that relate to the codebreaking story, such as relevant cipher machines and original paperwork.

The archaeology of the site, and the still existing buildings, are classed as heritage assets and are also a formal part of the collection. They stand as striking evidence to the work and life of the Codebreakers and the evolution of the ‘intelligence factory’ that developed during World War Two.

Related Pages

Buildings and Landscape

Bletchley Park's site reflects the development of wartime codebreaking

Buildings and Landscape

Bletchley Park's site reflects the development of wartime codebreaking