The ACT has recorded 21 new cases, with 15 linked to the current outbreak.
Chief Minister Andrew Barr said six people were infectious in the community. One case remains under investigation.
He said 11 were now in hospital for Covid-19, with one person in ICU.
Mr Barr said from midnight on Friday large essential businesses like Bunnings would be restricted to click and collect services.
Small retail businesses will be able to operate delivery and click and collect services.