[1] In the 2011 event 75 buildings opened their doors and attracted 100,000 visitors.
[2] For its fifth year, the 2012 event featured 100 buildings and attracted 135,000 visitors.
[3] In the 2013 event 111 buildings opened over the weekend and attracted 130,000 visitors.
[5] In 2017 Open House Melbourne held the Open House Ballarat Weekend, the first regional program run by Open House Melbourne, in partnership with City of Ballarat and Visit Ballarat.
[8] Notable contemporary, historic, and sustainable buildings and spaces located in and around the Melbourne City Centre, Carlton, East Melbourne, Southbank, Docklands and the Greater Melbourne area are opened for visitors as part of this initiative.