General information only — not legal advice. Mould caused by tenant misuse (e.g. not ventilating) may be the tenant's responsibility. Structural causes are generally the landlord's. Last updated: January 2026.
Mould caused by structural defects (leaking roof, poor ventilation, rising damp) is the landlord's responsibility. Mould caused by tenant behaviour (not opening windows, drying clothes inside) may be the tenant's responsibility. When in doubt, document everything and let the tribunal decide.
Tenancy law changes constantly.
Get one email a month: new tribunal decisions, rent increase rule changes, what's coming in your state. Free, unsubscribe any time.
