The National Museum of Computing (TNMOC) is home to the world's largest collection of working historic computers.
Recognised as one of England’s top 100 ‘irreplaceable places’, follow the development of computing from the ultra-secret pioneering efforts of the 1940s, through the large systems and mainframes of the 1950s-70s, to the rise of personal computing in the 1980s and beyond.
We aim to open to the public Tuesday, Thursday, Saturday and Sunday - 10:30am - 16:30pm during Winter hours (extended to 17:00pm during Summer hours) - but please check our Days Open page before planning your visit.
We recommend you BOOK ONLINE in advance of your visit but we also welcome visitors on the day.
Why not plan a visit to our world leading computing museum? We offer individual, family, and annual tickets and we are easy to reach by public transport or car.
Whether you are a business organisation or a private group of friends, we tailor your group visit to fit your requirements, and you will benefit from the knowledge of our highly experienced, friendly tour guides.
UPCOMING EVENTS
Join us on Sunday 29th of November to celebrate the LEO 75th Anniversary at The National Museum of Computing!
Discover the pioneering story of the world’s first business computer. Enjoy full museum access, see historic videos highlighting the women who built LEO, dive into hands-on family STEM challenges with the LEO 75th Anniversary Puzzle Book, and hear from special guest speakers throughout the day!
NEWS RELEASES
In recognition of her extraordinary service, advocacy, and dedication to computing history, Jacqui Garrad has been awarded an Honorary Fellowship of The National Museum of Computing (TNMoC). The prestigious honour was formally presented on 29th September 2026, celebrating her profound impact on the museum’s growth, financial resilience, and visitor experience.
A historic moment for global technological heritage has officially been written into the archives at The National Museum of Computing (TNMoC). On Tuesday 29th September 2026, museum representatives, tech historians, and volunteers gathered to celebrate the formal designation of the treasured Colossus Computer as an IEEE Milestone.
A celebration of technological preservation took place on Tuesday 29th September at The National Museum of Computing (TNMoC), as the museum proudly hosted the official ceremony for the 2026 Tony Sale Award.
This year’s top honour for vintage computer hardware restoration was awarded to David Lovett of Usagi Electric.
We're absolutely thrilled to announce that The National Museum of Computing is one of the winners of the 2026 Sandford Award.
Since 1978, the Sandford Award has been one of the most respected benchmarks of quality in the heritage learning sector. Independently assessed and expert-led, this award validates the high-quality, engaging, and inclusive learning experiences we strive to deliver to schools, students, and visitors every single day.
BLETCHLEY, UK – 17th June 2026 – The National Museum of Computing (TNMoC), located on the Bletchley Park estate, is proud to announce that IEEE, a public charity and the world’s largest technical professional organization advancing technology for the benefit of humanity, has officially approved the designation of the Colossus Computers (1944-1945) as an IEEE Milestone.
The IEEE Milestone Program recognises Colossus as one of the most significant technical achievements in computer history. The Milestone plaque will be officially unveiled during a landmark dedication ceremony at the Museum on Tuesday, 29 September 2026, held in conjunction with the 2026 Tony Sale Award for Computer Conservation.
The National Museum of Computing (TNMOC), in partnership with the London Mathematical Society (LMS), has announced a landmark three-day international conference: Computable 90.
Taking place from 16–18 September 2026 within the Fellowship Auditorium at the historic Bletchley Park, this summit marks 90 years since Alan Turing’s 1936 paper “On Computable Numbers” changed the course of human history. The event will bring together the world’s most influential mathematicians, philosophers, and computer scientists to discuss how Turing’s original logic continues to define the technological landscape of the 21st century.
The National Museum of Computing (TNMOC), has today announced that Simon Lavington, M.Sc., Ph.D., FIEE, FBCS, C.Eng - an Emeritus Professor in the Department of Computing and Electronic Systems at the University of Essex - is to be awarded an Honorary Fellowship of the Museum. The Honorary Fellowship recognises outstanding contributions towards the history and ongoing development of computing.
ONLINE SHOP - FEATURED ITEMS
More than 70 years on, the ground-breaking work of Alan Turing, ‘The Father of Modern Computing’, remains relevant. Representing pieces of this man’s incredible legacy, this eclectic selection of gifts stretches from art and cryptography to mathematics and computer science. The Total Turing Bundle contains:
One Limited Edition A3 Alan Turing Tribute Poster Print (unframed) by Justin Eagleton.
One copy of Reflections of Alan Turing: A Relative Story by Dermot Turing.
One copy of Alan Turing Decoded by Dermot Turing.
One Turing-Welchman Bombe Mug.
Buyers from Europe and the USA can now purchase this item online by selecting the item with postage to your area. For all other countries, please email operations@tnmoc.org for postage costs.
Celebrate a pivotal moment in computing and cryptography history with this exclusive commemorative print of the Enigma machine. As one of only four designs in this special series, it marks the 10th anniversary of The National Museum of Computing.
Each print is part of a strictly limited edition of 500, uniquely numbered from 001-500, making it a truly collectible piece.
ONLY UK Shipping included - For overseas and international shipping costs please email operations@tnmoc.org
Commemorate one of the most innovative codebreaking machines of WWII with this exclusive limited edition print of the Bombe. This artwork is part of a four-piece series celebrating the 10th anniversary of The National Museum of Computing.
With just 500 prints available, each uniquely numbered, this piece is a testament to the power of teamwork and innovation.
ONLY UK Shipping included - For overseas and international shipping costs please email operations@tnmoc.org
Celebrate the cipher machine that challenged the world’s best cryptographers with this limited edition print of the Lorenz. Created for the 10th anniversary of The National Museum of Computing, this print is a powerful reminder of the pivotal role of technology in history.
Limited to just 500 pieces, each print is individually numbered, making it a rare and meaningful collectible.
ONLY UK Shipping included - For overseas and international shipping costs please email operations@tnmoc.org
Honor the world’s first programmable digital computer with this exclusive limited edition print of Colossus, created to commemorate the 10th anniversary of The National Museum of Computing.
With only 500 prints available worldwide, each individually numbered, this is a must-have for collectors and computing history enthusiasts alike.
ONLY UK Shipping included - For overseas and international shipping costs please email operations@tnmoc.org
This is a James Ball, TNMOC Limited Edition print of an IBM 1130.
Each print is numbered.
Professionally finished in a white frame with perspex front.
Print Size with frame: 50cm x 40cm
ONLY UK Shipping included - For overseas and international shipping costs please email operations@tnmoc.org

This extremely limited edition set includes:
An A3 framed Alan Turing Tribute Print by Justin Eagleton, signed by Sir Dermot Turing.
A copy of ‘The Bombe: The Machine that Defeated Enigma’, signed by Sir Dermot Turing.
Buyers from Europe and USA can now purchase the book online by selecting the appropriate item with postage to your area. For all other countries, please Email Operations@tnmoc.org for postage costs.