Amalgamated Property Group (APG) has confirmed it will build a new grade-A office tower at the former Northbourne Square site in Canberra.

Located on a city block bordered by Northbourne Avenue and Mort Street, now named Civic Quarter, the 18,000sqm 12-level office tower will be designed by Cox Architecture and local architects May + Russell Architects.

"Civic Quarter will be the new gateway to the CBD in Canberra, and as such we understand the importance of creating a landmark building that incorporates an elegant and timeless urban design which will meet the workplace needs of the future," says APG general manager Phil O’Brien. "This will be Canberra's premier office building."

The project will also be served by the future ACT Light Rail Network, which will run adjacent to the site on Northbourne Avenue.

Development is set to commence early to mid next year and is scheduled to be completed by mid-2019.