04/06/2026
Water damage, mould & insurance risk – what landlords need to know
Water damage and mould are some of the most common (and costly) issues affecting investment properties, and they often start small before becoming major problems.
In today’s rental environment, insurers and tenancy frameworks are also placing greater emphasis on maintenance responsibility and timely action, which makes prevention more important than ever.
Where issues typically start:
• Minor plumbing leaks under sinks or behind walls
• Blocked gutters or poor roof drainage
• Condensation in poorly ventilated areas
• Slow-developing bathroom or laundry leaks
• Delayed response to tenant-reported issues
What begins as a small, inexpensive repair can quickly escalate into:
• Structural damage
• Persistent mould growth
• Tenant health concerns
• Higher repair and remediation costs
• Potential insurance claim complications
How to reduce risk:
1. Act early on any water-related reports
Speed is critical. Even “minor” leaks should be investigated immediately.
2. Regular property inspections
Routine checks help identify hidden moisture issues before they escalate.
3. Ensure proper ventilation
Bathrooms, laundries, and kitchens should have adequate airflow and extraction.
4. Maintain gutters, roofs, and drainage systems
Preventative maintenance can avoid the most expensive type of water damage, slow, hidden leaks.
5. Document everything
Clear records of inspections, maintenance, and tenant communication can be important for insurance and liability protection.
The key takeaway is simple: water damage is rarely sudden, it’s usually preventable.
A proactive maintenance approach not only protects your property condition, but also reduces insurance risk and long-term repair costs.
Adrian Lieschke
Business Development Manager
📞 0402 714 025
📧 [email protected]