Tucked away in an affluent Cardiff suburb, the 2,000ft single-storey windowless building hidden in the gardens of a Victorian mansion in Llandaff was to be used in the event of World War Three.
The unassuming 2,000sq ft brick building is tucked away among period properties in Llandaff, Cardiff
Former civil defence control centre was built in 1956 to coordinate local operations in event of an emergency
It remained operational until the Civil Defence Corps, who were stationed there, were disbanded in 1968
Site was maintained by volunteers until 1984. It then served as the county standby control room and was used for storage until its doors closed for the final time in 1991