[1] The parade ground and drill hall were listed on the South Australian Heritage Register on 11 June 1998.

[1] Its significance was reported as follows:[1] The Torrens Training Depot was built in 1936 and is an excellent example of the Inter-War Stripped Classical style of architecture in Adelaide, particularly as interpreted by architects working for the Commonwealth Government.

[Adapted from Torrens Training Depot Conservation Plan (1992)]In 1999, it was listed on the now-defunct Register of the National Estate[2] In 2002 Premier Mike Rann announced and funded a major restoration and upgrade of the Torrens Parade Ground and its heritage listed "Drill Hall and Training Depot" building, to be used as a headquarters for veterans' organisations,[3] and the main office of the History Trust of South Australia.

[5] The Drill Hall underwent a major upgrade which was scheduled for completion at the end of January 2023.

[6] The History Trust of South Australia had its offices in the Drill Hall for 18 years, before relocating in 2022 to allow for the creation of a "veterans' hub" comprising the Department for Veteran Affairs, Returned Services League (RSL) South Australia, Vietnam Veterans Association, Air Force Association, and Legacy Club of South Australia and Broken Hill.