Connaught Building

Built in Modified Norman style and designed by David Ewart, Connaught opened in 1915 and was named after the Duke of Connaught, third son of Queen Victoria and Governor General of Canada 1911 to 1916. Designated as a Classified federal heritage building, primarily for its architectural significance, the structure is considered to be the “Crown Jewel” of the Canada Revenue Agency. Access is limited to the Mackenzie lobby area and the 8th floor executive boardroom.

In-person visiting hours

*Follow building health protocols.

  • Saturday, June 3 2023
    10am to 4pm
  • Sunday, June 4 2023
    10am to 4pm

Virtual and 3D Tours

This building does not offer virtual or 3D tours.

Connaught Building, built between 1913 and 1916 with a distinctive architecture harmonizing with that of the Parliament Buildings.
Main entrance facing MacKenzie Avenue. Wikipedia photo credit


Architect/Builder on record
David Ewart
Architectural style
Gothic revival
Construction date or date range
Government buildings

Amenities and features

  • Metered/paid parking
  • Guided tours
  • OC transpo nearby