For a start, a new owner will have to honour the lease.
The tenancy laws in Queensland have recently changed regarding selling properties with tenants, with particular emphasis on the rights of the tenants.
First thing would be to obtain a copy of the leglislation from your PM or the RTA.
Can anyone point me in the right direction for the WA residential laws?
There is also
Here is the info you are looking for:
www.commerce.wa.gov.au also have further info about LL and Tenant rules...particular this section regarding privacy and showing a house to buyers http://www.commerce.wa.gov.au/Consu...y/Tenants/Access,_privacy,_locks_and_sec.html