What is tenants improvement business insurance?

If you rent your business premises and have spent money making updates to the property, the responsibility for insuring those improvements falls on you, the tenant. While your landlord is typically responsible for the core buildings insurance, you must cover the specific value you’ve added to the space.

Based on our 2025/2026 pricing research, a basic tenant’s improvement policy is quite affordable, starting from around £136 for £10,000 worth of renovations, and scaling up to approximately £255 for £500,000 worth of improvements, depending on your industry and location.

Insurance definition of tenants improvements

Tenants improvement insurance covers permanent structural or cosmetic changes you've made to a property you are renting. If you as a tenant have spent money improving the business property you're renting or making changes so it's fit for purpose, you can insure these changes through a tenants improvement policy.

Tenants improvement insurance covers cosmetic or structural changes you've made if they're damaged by a covered event like a fire, flood, explosion or vandalism.

The changes covered by tenants improvements insurance become part of your landlord's property, and you wouldn't take with you when you leave. So your furniture wouldn't be covered (that would fall under your contents insurance), but if you updated the bathroom or installed built-in storage shelves or new wooden flooring these changes could be covered by tenants improvements.

Examples of tenants improvements

When buying tenants improvement insurance you'll be asked the value of these improvements. Just like when you're estimating the value of your contents or stock, you should be as accurate as possible when valuing the cost of your improvements. Failing to insure for the right amount can leave you out of pocket later on.

Many people don't know this, but under insuring your contents insurance or tenants improvements can prove detrimental in an unexpected way. Let's say you have made £50,000 of improvements but you only insure for £25,000. Under the 'condition of average,' you are technically only insured for 50%. This means that if you make a claim, the insurer may only pay out half the value, even if the total damage is under your limit.

In the 2026 market, this risk is higher than ever; because the costs of construction materials and specialist labor have surged, renovations that cost £25,000 just a few years ago would likely cost closer to £50,000 to replace today. It is critical to update your insured values to reflect these current replacement costs rather than original out-of-pocket expenses.

What is included in tenant improvements insurance?

Tenants improvements typically covers fixtures, fittings and interior decorations which are fixed to and form part of the structure of your premises. This can include the cost to repair damage to your improvements, and may also include costs incurred trying to find and access the point of a water or heating fuel leak as well as making good any damage caused by these investigations.

Who insures tenant improvements?

The tenant who made and paid for the improvements is responsible for the insurance premiums. Tenant improvements cover is typically a specific section within a commercial property insurance policy, which also protects your furniture, electronics, and stock.

For a complete 2026 protection package, businesses should note that adding contents and stock cover to your property policy usually brings the total annual premium to between £200 and £600 for most small-to-medium retail or office spaces, providing comprehensive cover for both your physical updates and your business assets.

A landlord should ensure that the tenant insures any improvements on their own commercial property insurance to make sure these changes are protected in case of a fire, flood or other covered event.