| Sir Leonard Tilley Building | |
|---|---|
| Tilley Building.JPG | |
| General information | |
| Type | Canadian government office |
| Location | Ottawa, Ontario, Canada |
| Address | 719 Heron Road |
| Current tenants | Communications Security Establishment and others |
| Technical details | |
| Floor area | 23,832 m2 (256,530 sq ft) |
| Design and construction | |
| Client | Canadian government |
| Owner | Public Works and Government Services Canada |
Sir Leonard Tilley Building and Annex[1] is a Canadian federal 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 in 1987. The floor space covers 23,832 square metres and the land area covers 4.527 hectares. The building includes the Communications Security Establishment.[2] This building was named in honour of Samuel Leonard Tilley, an early federal Finance Minister.