Mid-market insurance

Insurance for industrial estate and trade park owners

Reviewed by the Apex broking team · Last reviewed 2026-11-06

Industrial estate and trade park owner insurance is a property owners programme covering multi-let industrial, trade counter and light warehouse units, the rent they produce and the owner's liabilities. It matters because one fire, vacant unit or undisclosed tenant change can affect cover and income across the whole estate.

Part of: Commercial property owners insurance

What does an industrial estate owner need to insure?

An owner of a multi-let industrial estate or trade park usually needs a commercial property owners policy built around four things: the buildings, the rent, the owner's legal liabilities and the people the owner employs. On a larger estate these are often arranged as one schedule with each unit listed, so that every building, rent roll and tenant trade is visible to the insurer.

• Buildings: the units, yards, estate roads, fences, gates, signage and any shared plant, at reinstatement cost rather than market value.
• Loss of rent: rent lost while damaged units are rebuilt, plus the time to re-let them. See how loss of rent cover works.
• Property owners' liability: injury or damage to third parties arising from the estate, including common parts the owner controls.
• Employers' liability: where the owner employs site, maintenance or management staff.

The tenants normally insure their own contents, stock, plant and business interruption. The lease decides where the line falls, so it is worth checking that the landlord's policy and each lease say the same thing. Our commercial landlord insurance guide covers the lease side in more detail.

Main exposures and the cover that usually responds

Professional indemnity is usually relevant where the owner also manages property for third parties for a fee, rather than for owning its own estate.

Tenants, unoccupancy and how the units are built

Tenant trades and changes during the year

Insurers price an industrial estate largely on who occupies it. A unit let to a storage business is a very different risk from the same unit let to a vehicle body shop or a pallet recycler. Under section 3 of the Insurance Act 2015, the insured must make a fair presentation of the risk before the contract is entered into, which includes every material circumstance the insured knows or ought to know. Most property owners policies also ask to be told of changes in occupancy during the year. A new tenant with a hazardous process is a change that can go unreported.

Vacant units

Policies commonly restrict cover for units that are empty beyond a set period, often limiting insured perils to fire, lightning, explosion and aircraft and adding conditions on inspections, removal of waste and isolation of services. On a multi-let estate, some units may be empty at any one time, so these conditions can apply more often than owners expect. See unoccupied property insurance.

Construction, panels and sprinklers

Older units built with insulated sandwich panels, particularly those with expanded polystyrene (EPS) cores, can attract restricted terms because fire can spread rapidly through the panel core. Insurers usually want to know the panel type, whether it is certified to a recognised fire standard, and the proportion of each building that uses it. Where units are sprinklered, the system's maintenance and testing records matter, because a sprinkler warranty or condition may apply.

Leases, service charges and the duties that sit with the owner

Most estate leases make the landlord responsible for insuring the buildings and recovering the cost from tenants, either as insurance rent or through the service charge. Tenants often ask to see how the premium is split between units and what commission is included. Where a managing agent is involved, the RICS professional standard on service charges in commercial property sets expectations on budgets, accounts and apportionment, so clear insurance information helps.

The owner also carries statutory duties that link directly to the liability cover:

• Fire safety: the Regulatory Reform (Fire Safety) Order 2005 applies to workplaces, and government guidance says the Responsible Person is usually the owner or landlord. On a multi-let estate, the owner normally covers shared areas and the tenants cover their own units.
• Asbestos: HSE guidance on the duty to manage asbestos says the dutyholder can be the owner, the landlord or whoever has responsibility for maintenance and repair, depending on the lease. Many estates built before asbestos was banned still contain it.
• Visitors: under section 2 of the Occupiers' Liability Act 1957, an occupier owes visitors a common duty of care to see that they are reasonably safe. On an estate, that usually means roads, lighting, car parks and shared yards.
• Employees: where the owner has staff, the Employers' Liability (Compulsory Insurance) Regulations 1998 require cover of at least £5 million for any one occurrence.

Illustrative examples and common mistakes

Illustrative example 1: a fire starts in a tenant's unit where pallets are stored against a party wall and spreads to two neighbouring units. The owner's buildings cover usually responds to all three units, and loss of rent responds to the rent from all three while they are rebuilt, subject to the policy terms. If the first tenant's trade had changed from the trade disclosed, the insurer may look closely at the presentation of the risk.

Illustrative example 2: a unit stays empty for five months after a tenant leaves. Copper cabling is stripped and the unit is then set on fire. Whether the full loss is covered usually depends on whether the inspection and security conditions for vacant units were met.

Common mistakes:

• Insuring at a figure based on purchase price or a valuation for lending, not the cost of rebuilding. See rebuild valuations and how average can reduce a claim.
• Choosing a loss of rent period that ignores planning, demolition and re-letting time on a specialist industrial building.
• Assuming tenants' insurance covers the building, or that the landlord's policy covers tenants' contents.
• Not telling insurers about new tenants, vacant units or construction work on the estate.

What underwriters usually want to see

A well-prepared submission for an industrial estate usually includes:

• A unit-by-unit schedule with address, floor area, construction, year built, rebuild value, passing rent and tenant trade.
• Details of any composite panels, roof type, fire separation between units and sprinkler or alarm systems.
• Current vacancies and how vacant units are inspected, secured and isolated.
• Five years of claims history, with what was done after each claim.
• Fire risk assessments for common areas, asbestos records and statutory inspection reports for shared plant.
• Lease terms on insurance, including any landlord obligation to insure for terrorism or particular perils.

Owners with several estates may find it useful to read insurance for commercial property portfolios, which explains how portfolio schedules are usually structured.

When to review your programme

A review is worth doing when you buy or develop another estate, when tenant mix shifts towards more hazardous trades, when vacancies rise, after a significant claim, when a lender or new investor asks for different terms, or when a rebuild valuation is more than a few years old. Growing owners also outgrow policies arranged one property at a time, and moving to a single portfolio schedule can make disclosure and renewal easier. An insurance programme review looks at the whole structure, not just the renewal price. You can also compare this page with our guide for office building owners.

Apex arranges property owners insurance for industrial estates and trade parks; a broker reads every enquiry.

Sources

• Insurance Act 2015, section 3
• Fire safety: guidance for those with legal duties (GOV.UK)
• HSE: check if you have the duty to manage asbestos
• Occupiers' Liability Act 1957, section 2
• Employers' Liability (Compulsory Insurance) Regulations 1998, regulation 3

Frequently asked

Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority. Registered in England and Wales, company number 07014570. This page is general information, not advice on your individual circumstances, and it does not guarantee that cover will be available or on what terms.