As Speaker, Hancock was responsible for a number of infrastructure and security improvements to the New South Wales Parliamentary Precinct. Most notably, her tenure has overseen historic restorations to elements of the old Rum Hospital Building including the Wentworth Room, which was used as the Legislative Council chamber from 1829 to 1843, as well as the former parliamentary library, the Jubilee Room, built in 1906. Further to the historic restorations, she has overseen improvements to the modern office buildings housing member and parliamentary staff, as well overseeing upgrades to disability access and facilities.