Tesla have added a Wall Connector Pedestal to the Australian site:
Looking at the install doc, it looks like it can support two wall connectors.
Wall Connector Pedestal
The Wall Connector Pedestal is a rugged aluminum post designed for mounting both Gen 3 and Gen 2 Wall Connectors for stand-alone charging. With easy indoor and outdoor installation options, the Wall Connector Pedestal is ideal for any driveway, parking lot or property that requires a...
shop.tesla.com
Looking at the install doc, it looks like it can support two wall connectors.