Beneath the gardens of a legal chamber near London’s Chancery Lane tube station lies a secret network of tunnels that is set to become a new public attraction. Originally constructed more than 80 years ago, the underground complex served as a classified headquarters during the Second World War and later as a Cold War government bunker.

Known as the Kingsway Exchange, the tunnels were initially designed as a discreet telecommunications hub hidden beneath nondescript office buildings historically owned by the General Post Office, later British Telecom. Access is through a narrow alleyway between two retail outlets, Superdrug and Vision Express. The facility was once intended to house thousands of essential civil servants who would operate from within the tunnels in the event of national emergencies, with supplies such as food and water stored to last six weeks. Visitors and staff were required to sign the Official Secrets Act.

During the Second World War, the tunnels housed the Special Operations Executive (SOE), a clandestine group responsible for covert missions against Nazi Germany. Notably, Ian Fleming, the creator of James Bond, was among the agents operating within the complex. The Cold War era saw the tunnels repurposed as the last refuge for government leadership, including emergency coordination centers like the Cabinet Office Briefing Rooms (COBR).

In 2023, London Tunnels, a hedge fund group, acquired the site from British Telecom for £10 million. The company plans to transform the space into an exhibition and immersive visitor attraction, aiming to draw up to four million tourists annually. The vision includes guided tours ending in an on-site bar, which was originally established as a morale-boosting feature for bureaucrats stationed underground. The bar retains its 1970s décor characterized by yellow and tangerine stripes, while other parts of the complex feature murals intended to mimic natural scenery.

James Loxton, who oversees investor relations for London Tunnels, recently led prospective backers and several high court judges on a tour of the mile-long tunnels. The group has raised approximately £30 million toward redevelopment but seeks to secure an additional £90 million to complete the project. The existing site resembles a time capsule from the 1970s, filled with vintage office furnishings, carpeting, and telecommunications equipment.

Discussions are underway with Amazon, which holds the rights to the James Bond franchise, to develop a dedicated museum celebrating the fictional spy’s legacy. Additionally, the project is exploring partnerships with brands associated with Bond’s iconic drinks, such as champagne and vodka.

Despite these ambitions, the project remains subject to the challenges of funding and public interest. Some commentators suggest that, given shifting political priorities, the tunnels’ fate could change if public authorities express renewed interest in reclaiming the space. For now, the tunnels remain a hidden but tangible link to London’s wartime and Cold War past, poised to open as a unique cultural attraction.