Millie Roberts reporting in ABC News.
In New South Wales, there is no limit on the amount a landlord can raise rent, and the Minns government confirmed freezes wouldn't be on the cards.
The median weekly rent has jumped by 13 per cent in Sydney over the last 12 months, according to the latest CoreLogic data.
While experts say informal discussions are the cheapest and most mutually beneficial options for both parties, sometimes negotiations break down.
Ned Cooke, from the Inner Sydney Tenants' Advice and Advocacy Service, said tenants in NSW can dispute an excessive rent increase though the NSW Civil and Administrative Tribunal (NCAT).
If a tenant is in a dispute, has received a questionable termination notice, or an invalid notice for their rent increase, Mr Cooke said they should seek legal advice from their local tenant advocacy service.
