How Tenant Use Affects Your Property Insurance

Your buildings policy was priced on what the insurer was told about who occupies the property and what they do there. When the tenant or the use changes, the policy needs to catch up.

Use clauses, fair presentation and what the insurer was told

Two documents describe how your building is used, and they need to agree with reality. The lease contains a use clause saying what the tenant is permitted to do; the insurance presentation — the proposal or statement of fact — records what you told the insurer actually happens there. Insurers rate a commercial building substantially on that second description: an office, a café, a joinery workshop and a tyre-fitting bay founded in identical shells are four different risks.

Under English law the duty at placement is one of fair presentation of the risk — the framework set by the Insurance Act 2015, described here only in general terms — and it covers what you know and what you ought to know from reasonable enquiry about your own building. A landlord is expected to know, at least broadly, what its tenants do. If the statement of fact says “offices” and the tenant has quietly become a commercial kitchen, the gap between the paperwork and the reality is the landlord’s problem, not the tenant’s.

Change of tenant or use mid-term needs disclosure

The duty does not end when the policy starts. Commercial property wordings almost universally contain alteration-of-risk conditions requiring the insurer to be told about material changes during the period of insurance — and a change of tenant, or a change in what an existing tenant does, is the textbook example. Wordings vary in how they frame the obligation and in what follows from silence, but the direction of travel is consistent: tell the insurer, through your broker, when the occupancy changes, and do it before or as the change happens rather than at the next renewal.

This includes changes that feel like upgrades. A tenant paying more rent is not automatically a better insurance risk; the insurer’s interest is in the trade, the processes and the hazards, not the covenant strength alone.

Hazardous trades: the classic difficult change

Some incoming uses reliably change the conversation, and it is worth knowing the pattern. Anything involving heat or naked flame — commercial cooking and frying, welding, kilns; anything generating combustible dust or waste — woodworking, joinery, some manufacturing; storage of flammable goods or significant plastics; waste and recycling operations; and uses that bring the public through the doors in numbers. None of these is automatically uninsurable, and good specialist markets exist for most of them — but they must be disclosed, and terms may follow: a survey, risk-improvement requirements, revised conditions or a different basis of cover. The uncomfortable alternative — an undisclosed frying range discovered after a fire — is the scenario every landlord should be structurally incapable of drifting into.

An illustrative example, for shape only: a landlord’s retail unit, presented to insurers as a clothes shop, is re-let to a takeaway. The landlord who tells the broker before the lease completes gets the risk re-presented, terms adjusted, and cover that actually matches the building. The landlord who does not find out the difference at the worst possible time.

Unoccupancy between tenants

The other classic mid-term change is the void. When a tenant leaves, the building’s risk profile changes at once — no one present to spot the leak, the intruder or the small fire — and commercial wordings respond by restricting cover once the property has been unoccupied for a period defined in the policy, and by imposing conditions about inspections, securing the building and shutting down services. Wordings vary on all of it: the trigger, the restrictions and the conditions.

Practically, that means telling your broker as soon as you know a tenant is leaving, not once the building is empty; asking what your wording does on unoccupancy; and, for anything more than a brief gap, considering specialist unoccupied property insurance arranged for the void rather than relying on a restricted standard policy.

A practical checklist when tenancies change

The discipline is simple, and it is mostly timing. When a tenancy changes:

• Tell your broker before completion — ideally when heads of terms are agreed, so any insurer requirements can be dealt with inside the deal, not after it.
• Describe the incoming trade properly — the actual processes, not just the business name. “Food production” and “bakery with overnight ovens” read very differently to an underwriter.
• Check the use clause against the disclosure — the lease, the licence to assign or change use, and the insurance presentation should describe the same building.
• Revisit sums insured and tenant improvements — incoming fit-out and alterations can change the reinstatement position.
• Plan the void — if there is a gap between tenants, agree with your broker how the unoccupied period will be covered and what conditions apply.
• Confirm it in writing — and keep the insurer’s or broker’s confirmation with the lease file.

For the wider picture of how a landlord’s programme fits together — buildings, loss of rent, liability and the rest — see the commercial landlord guide.

Frequently asked questions

My lease says the tenant must not do anything that prejudices the insurance. Doesn’t that protect me?

It gives you a remedy against the tenant; it does not fix your position with the insurer. If the use changed and the insurer was never told, the lease clause may let you pursue the tenant, but the disclosure duty at and after placement is yours. Treat the clause as backup, not as the plan.

Do I need to tell insurers about a change of tenant if the use stays exactly the same?

Usually yes — most wordings treat a change of occupier as notifiable in itself, and there is often a short gap in occupation to mention too. It is normally a quick, painless disclosure. Wordings vary, so let your broker check yours rather than assuming.

What if I genuinely didn’t know my tenant had changed what they do?

The duty of fair presentation includes what you ought to know from reasonable enquiry, so “I never asked” is weak ground. Periodic inspections, honest conversations at rent review and a lease obligation to notify changes of use all help — and anything you do learn should go to your broker promptly.

Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority (FRN 724952).