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The museums, the machines and the men and women who worked it out: laboratories kept as they were, beam engines under steam, the tunnel, the barrier, the roofs, and the plaques on the houses where the ideas came.
Where computing began: the codebreakers' huts, the rebuilt Bombe running, and Colossus next door at the National Museum of Computing.
Day trip: train from EustonMuseumsDay tripGo inside
Also in Secrets & Espionage.
Bletchley is the engineering story as much as the secrets one: Turing and Welchman's Bombe, rebuilt and demonstrated, that mechanised the breaking of Enigma; and in Block H the National Museum of Computing's working rebuild of Colossus, Tommy Flowers's 1944 valve machine that was the first electronic digital computer, with the rest of the history of British computing in the galleries beyond it. The two museums are on the same site with separate tickets, and Bletchley station is at the gate.
| Monday | 09:30 – 17:00 |
|---|---|
| Tuesday | 09:30 – 17:00 |
| Wednesday | 09:30 – 17:00 |
| Thursday | 09:30 – 17:00 |
| Friday | 09:30 – 17:00 |
| Saturday | 09:30 – 17:00 |
| Sunday | 09:30 – 17:00 |
Hours from the page that lists them, checked 5 September 2026.
Last admission 15:00; 09:30 to 16:00 from November to February; £28.75, ten per cent less online. The station is next to the gate.
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Data is compiled from public sources including OpenStreetMap, under the ODbL. Hours change often, so check before making a journey.