Planning a London trip this spring or summer? History buffs and espionage enthusiasts have a rare opportunity to explore never-before-seen spy artifacts at a groundbreaking new exhibition coming to The National Archives in Kew.
Opening April 5, 2025, “MI5: Official Secrets” offers visitors a fascinating glimpse into the clandestine world of Britain’s domestic intelligence service, featuring items from MI5’s private collection that have never been displayed publicly before.
The free exhibition, which runs until September 28, presents a perfect addition to any London itinerary, particularly for those interested in the real stories behind popular spy thrillers and British history.
Among the remarkable artifacts on display is the abandoned leather briefcase of infamous Cambridge spy Guy Burgess, left at London’s Reform Club before his 1951 defection to Moscow. Visitors can also view Burgess’ British passport and various surveillance equipment used throughout MI5’s 115-year history.
Photography enthusiasts will appreciate seeing the first camera ever used by MI5, purchased from the Army and Navy store on Victoria Street, alongside more sophisticated espionage cameras including the 1970s Polaroid SX-70 and the Cold War-era Robot Star 50 concealment camera, which could be hidden inside clothing with its smallest lens concealed behind a button.
“This exhibition brings to life the real stories that have inspired so many novels, TV dramas and big-screen spy thrillers we’ve come to love,” said Mark Dunton, the exhibition’s curator.
The chronological journey takes visitors through key moments in MI5’s history, from its formation before World War I to contemporary counter-terrorism operations, offering context to many London landmarks that played roles in these historical events.
Located in Kew, southwest London, The National Archives is easily accessible via the District Line (Kew Gardens station) or overground services. The venue is approximately 30 minutes from central London and makes an excellent day trip when combined with nearby attractions like the Royal Botanic Gardens at Kew.
The exhibition is particularly notable as the first time MI5 has collaborated on a public exhibition about its own history, making it a unique opportunity for travelers to gain insights into this secretive organization.
For those planning ahead, The National Archives features an on-site café and bookshop, with the beautiful Thames Path nearby for a post-exhibition stroll along the river.
While admission to “MI5: Official Secrets” is free, visitors are advised to check The National Archives website for opening hours and any special events during the exhibition’s six-month run.
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