The National Museum of Computing

A large collection of historic computers, including the rebuilt Colossus (guided tours available). Follow the development of computing: from the Turing-Welchman Bombe and Colossus of the 1940s through the large systems and mainframes of the 1950s, 60s and 70s, to the rise of personal computing and the rise of mobile computing and the internet.

Recognised as one of England’s top 100 ‘irreplaceable places’, we welcome corporate and group visits, schools and individuals from all over the world. We have not yet returned to our 6 day opening schedule, we aim to open to the public Tuesday, Thursday, Saturday and Sunday – 10:30 am – 4:30/5 pm – last entry 3.30/4 pm – but please check our Days Open page before planning your visit.

In the future we plan to extend to Tuesday to Sunday 10:30 am – 5 pm (spring/summer), 10:30 am – 4:30 pm (Autumn/Winter)

TNMOC operates independently of Bletchley Park Trust, although we are located on the Bletchley Park Estate.

To visit us, go through the main Bletchley Park entrance, through the barrier, walk or drive bearing left beyond the main car parks, to our separate entrance located at the top of the Park….

Whether you are a business organisation or a private group of friends, we tailor your group visit to fit your requirements, including time, and you will benefit from the knowledge of one of our highly experienced, trained tour guides.

Show all timings
  • Tuesday10:30 - 17:00
  • Thursday10:30 - 17:00
  • Saturday10:30 - 17:00
  • Sunday10:30 - 17:00
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