Sir Leonard Tilley Building

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Sir Leonard Tilley Building
Tilley Building.JPG
General information
Type Canadian government office
Location Ottawa, Ontario, Canada
Address 719 Heron Road
Coordinates 45°22′42″N 75°41′14″W / 45.37847°N 75.687223°W / 45.37847; -75.687223
Completed 1961
Client Canadian government
Owner Public Works and Government Services Canada
Technical details
Floor area 23,832 m2 (256,530 sq ft)

The Sir Leonard Tilley Building and Annex[1] is a Government of Canada office building property consisting of two buildings and operated by the Public Works and Government Services Canada and located at 719 Heron Road in Ottawa, Ontario, Canada. It was designed by Bemi & Associates Architects. The floor space covers 23,832 square metres and the land area covers 4.527 hectares. Until 2015, the building housed the headquarters of the Communications Security Establishment (CSE). This building was named in honour of Samuel Leonard Tilley, federal Finance Minister in 1873-1878.

The completion of a new headquarters building on Ogilvie Road has led the CSE to vacate the building. Public Works Canada is preparing the buildings to allow other government departments to take their place. The Department of National Defence determined the facilities did not meet their needs but Corrections Canada, the Canada Revenue Agency and the Canada Border Services Agency were indicated as possible future tenants. The entry of new tenants is planned to be phased in over 2018-9. The cost of refurbishing the buildings to meet new standards, or Workplace 2.0, will cost about $400 million.[2]


Coordinates: 45°22′42″N 75°41′14″W / 45.37847°N 75.687223°W / 45.37847; -75.687223

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