The swift ban on most construction, repair and renovation work in Great Sydney is expected to double the cost of Sydney’s lockdown. 

The Commonwealth Bank’s head of Australian economics has estimated the economic hit to cost between $1 to $2 billion per week, which is 0.4 percent of the nation’s GDP. 

Builders urged the government to shorten shutdowns for large scale projects, as projects are put into serious disarray when lockdown time are lengthened due to time and costs .