Illegal Activity by Tenants – Are You Covered?

Property118

Illegal Activity by Tenants – Are You Covered?

One of the worst-case scenarios for landlords is discovering that tenants have used a rental property for illegal activity. Cannabis farms, unlicensed HMOs, or even organised crime can leave behind major damage, loss of income, and potential legal consequences. The immediate question for most landlords is: does my insurance cover this? The answer depends on the wording of your policy, your disclosure at inception, and whether you met inspection requirements.

Common Types of Illegal Activity in Rental Properties

• Cannabis farms – tampered electrics, water damage, mould, and structural weakening from extraction systems.
• Subletting and unlicensed HMOs – breaching licence conditions, fire safety rules, and creating liability exposures.
• Fraudulent use – tenants using the address for identity fraud or illegal businesses.
• Anti-social behaviour – drug dealing, disorder, or activities that create reputational risk for the landlord.

How Insurers Typically Respond

Most landlord insurance policies exclude damage or liability arising from illegal activity. However, some specialist insurers will cover malicious damage caused by tenants engaged in illegal use, provided you can show you took reasonable precautions and complied with inspection conditions. The outcome often hinges on evidence.

Inspection Requirements

To reduce risk, many insurers insist on regular documented inspections. For example:

• Inspections every 3 months (some require every 6–12 weeks).
• Written logs and, ideally, date-stamped photos.
• Prompt reporting of any concerns to insurers or authorities.

Failure to inspect may give insurers grounds to decline a claim, arguing that the landlord did not meet policy conditions.

What About Malicious Damage?

If illegal activity results in deliberate destruction, some policies will pay under malicious damage by tenants – but only if this extension is included. Even then, insurers may refuse claims if they believe the landlord failed to exercise proper tenant checks or inspections.

Loss of Rent – Grey Areas

Loss of rent cover usually applies after an insured peril such as fire or flood. It rarely applies when tenants are evicted due to illegal use. Some specialist policies extend to loss of rent following police closure or malicious damage, but this is not standard. Landlords should not assume rent will continue if a property becomes uninhabitable after illegal activity is discovered.

Practical Steps to Protect Yourself

• Carry out robust referencing and check ID thoroughly.
• Conduct regular inspections and keep records.
• Look out for red flags – covered windows, unusual condensation, tampered electrics, or complaints from neighbours.
• Ensure your policy explicitly includes malicious damage by tenants if you want protection.
• Notify your insurer if the property changes use (for example, becoming an HMO) to avoid non-disclosure issues.

Case Example

A landlord discovered their tenants had converted a three-bedroom semi into a cannabis farm. The electrics had been bypassed, causing fire risk, and the property was saturated with condensation and mould. The insurer initially declined the claim under the “illegal activity” exclusion. However, because the landlord provided quarterly inspection records showing no signs of the operation until the final month, the insurer paid for malicious damage repairs (but not lost rent). This highlights the importance of evidence and compliance.

Final Thoughts

Illegal activity in rental properties is a nightmare scenario, but landlords can protect themselves by choosing the right policy and maintaining strong inspection and referencing records. Do not assume standard landlord insurance will cover malicious damage or loss of rent after illegal activity – check your wording and speak to a broker who understands landlord risks.

Request your quote or call-back

The most efficient way to get a personal quote with the best price and cover possible is to call the team on 01832 770965 so we can focus on your enquiry when you are ready and sitting down with your portfolio details to hand.

Alternatively, you can use the form below to request one of our team to give you a call back.

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Publication date: Tuesday 23 December 2025

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