This guidance from the Centers for Disease Control helps household members plan and prepare their homes for the possibility of community transmission of COVID-19. Although this guidance is a tool meant for communities in the United States, it is a well informed checklist that can be used or adapted by households across the globe to make their homes safe from the COVID-19 outbreak.
https://www.cdc.gov/coronavirus/2019-ncov/downloads/COVID19_FAQ_HouseholdReady-H.pdf