A grand mansion in north London once housed a secret wartime intelligence operation, and that history has now been opened to the public. Trent Park House of Secrets in Enfield, within Trent Country Park, opened on 21 July 2026, according to the museum's announcement of the opening date. During the Second World War, the house was requisitioned by the War Office and adapted for intelligence work. Senior German prisoners of war were kept at the estate while their conversations were secretly monitored from the basement. The museum says the operation involved German-speaking refugees, most of them Jewish, and produced intelligence on subjects including German weapons programmes and atomic research. The story remained hidden for more than 70 years. Visitors can now see the restored ground-floor rooms associated with Sir Philip Sassoon and the basement where the wartime listening operation was conducted.
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