Sir Leonard Tilley Building
Sir Leonard Tilley Building, Federal heritage building at Riverside Drive and Heron Road, Ottawa, Canada.
The Sir Leonard Tilley Building features an L-shaped configuration with a brick exterior and granite base, spanning 23,832 square meters of floor space.
Constructed in 1961, the building served as the headquarters for the Communications Security Establishment until 2015, supporting intelligence operations during the Cold War period.
The building received official heritage status in 2002, recognizing its architectural merit and contribution to the federal government infrastructure in Ottawa.
Located at 719 Heron Road, the building undergoes renovations estimated at 400 million dollars to meet current workplace standards for new government departments.
The structure contains specialized features for intelligence gathering, including specific floor plate designs and customized electrical systems beneath the main structure.
Location: Ottawa
Address: 719 Heron Road
GPS coordinates: 45.37850,-75.68720
Latest update: March 11, 2025 02:41
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