In 1960 Old Government House was identified as a vital part of Queensland’s built heritage. Demolition threatened until 1969 when the newly formed National Trust of Queensland identified the House in its first list of significant buildings. The important heritage value of the building was officially recognised in March 1978, when the National Trust listing was ratified on the basis of its historical and architectural significance. Old Government House fittingly became the first building to be protected by heritage legislation in Queensland.
Major external and internal restoration work was carried out by the Trust throughout the 1980s and the House was the opened to the general public to visit. The National Trust of Queensland was the sole custodian of the building until October 2002, when a three-way Heads of Agreement between the Trust, Queensland University of Technology (QUT) and the Department of Public Works was signed. This agreement ensured the future conservation, management and use of Old Government House and established a secure long-term future for the property. QUT accepted the custodial responsibilities and completed a major conservation and enhancement project on the building and surrounding grounds in June 2009.
Old Government House is now open to the public as an historical site complemented by interpretive multimedia exhibits, and is available for hire as a special events venue.