Mould Found After Signing a Lease: What Renters Can Consider Before Moving In

The next step is to raise the issue with the landlord or property manager in writing. A written request creates a timestamped record of when the problem was reported and what was asked for. It is worth being specific: rather than asking only for the curtains to be dealt with, the request can ask for the cause of the moisture to be identified and repaired, and for the affected areas to be professionally assessed and remediated. Framing the request around the source of the problem makes it harder for the response to stop at a cosmetic fix.

How the request is classified can affect how quickly it must be actioned. Repairs are commonly treated as either urgent or non-urgent, with different response timeframes attached to each. Significant mould affecting the habitability of a property, or a leak causing ongoing water damage, may fall into a more serious category than a small patch of surface growth. The classification depends on the facts of the case and on the tenancy laws of the relevant state or territory, which differ across Australia.

On the question of ending the lease, there are generally a few possible paths, and which of them apply depends on jurisdiction and on how serious the problem turns out to be. One is agreement: the landlord may consent to release the renter from the lease, particularly if the property is not in a fit condition. Another is a formal application to the relevant tenancy tribunal or authority, which can consider whether the property meets minimum standards and can make orders about repairs, rent reduction, or termination. A third is a negotiated break lease, which usually involves the renter carrying costs such as reletting fees and rent until a new tenant is found. This last option is the most expensive and is worth exploring only after the others have been considered.

Because tenancy law is set at state and territory level, the specific rights, notice periods, and minimum standards that apply will vary depending on where the property is located. Most jurisdictions have a tenancy authority or consumer affairs body that publishes plain-language guidance, and most also have a free tenants' advice service that can review the circumstances and explain the available options. Contacting one of these services early is generally more useful than waiting, because some remedies depend on following a required sequence of notices.

It is also worth being realistic about outcomes. A landlord who treats the mould as a curtain problem may well clean or replace the curtains and consider the matter resolved. If the mould returns, that history — the original report, the response, and the recurrence — strengthens the renter's position considerably. Keeping copies of all correspondence and continuing to photograph the affected areas over time builds that record.

Finally, renters should be cautious about simply not moving in or withholding rent as a way of forcing a resolution. Both can create liabilities under the agreement, including rent arrears and potential claims for loss, regardless of the condition of the property. The safer approach is to keep meeting obligations under the lease while pursuing repairs or termination through the formal channels available, and to seek advice from the relevant tenancy service before taking any step that could be treated as a breach.