A survey of Australian adults who use popular alcohol delivery sites found one in five utilised a service to continue a home drinking session.
Localised data on alcohol-related harm and licensed outlets will help decisions on new liquor licences maintain a health focus.
The regulation of online alcohol sales worldwide does not meet the same standard as walk-in bottle shops.
Tougher laws for online alcohol sales are needed to prevent under-18s and people with an alcohol dependency from buying liquor at the touch of a button, UNSW public health researchers say.