You will require the assistance of a licenced Pest Controller. This is a civil matter between you as the tenant and the property owner.
In the first instance you should report this to your landlord or Managing agent. If you are not satisfied with the outcome of that discussion you may take it further by contacting the Department of Fair Trading.
Service NSW is now open in Tweed Heads offering access to the following Government Departments:
Motor Registry , Fair Trading and Births, Deaths and Marriages.
Located at;
13-17 Rivendell Drive
Tweed Heads South.
The centre is open from 7am-7pm Monday to Friday and from 9am-3pm on Saturday.
Alternatively a 24 hour a day contact number is 13 77 88 or visit
https://www.service.nsw.gov.au/service-centre/tweed-heads-service-centre