Public Liability Insurance: What It Covers and What It Costs

Public liability insurance is a type of business insurance that covers you if a third party, such as a customer, visitor, or member of the public, is injured or has their property damaged as a result of your business activities. It pays for compensation, legal fees, and associated costs if a claim is made against you.

For example, if a customer trips over equipment at your premises and breaks their wrist, public liability insurance would cover the cost of their claim. Similarly, if you accidentally damage a client's property while carrying out work, this policy would step in to cover the repair or replacement costs.

Public liability insurance is not the same as employers' liability insurance, which covers claims from your employees. It is also different from professional indemnity insurance, which covers claims arising from professional advice or services. Public liability specifically protects against physical injury and property damage caused to people who are not employed by your business.

Most policies also include product liability cover, which protects you if a product you have sold, supplied, or manufactured causes injury or damage after it leaves your possession.

Public liability insurance is designed to cover claims made against your business by third parties. The cover typically includes several key areas that every business owner should understand before taking out a policy.

What is usually covered

• Third-party bodily injury - If a member of the public, client, or visitor is injured because of your business activities, your policy covers their compensation claim and your legal defence costs. This includes slip-and-fall incidents at your premises, injuries caused by your work at a client's site, and accidents involving your equipment.
• Third-party property damage - If you accidentally damage someone else's property while working, your insurer pays for the repair or replacement. A common example is a tradesman accidentally putting a drill through a water pipe and flooding a kitchen.
• Product liability - Claims arising from products you have sold, supplied, or manufactured that cause injury or damage. This applies whether you make the products yourself or resell items from a supplier.
• Legal defence costs - Solicitor fees, court costs, and expert witness fees are covered even if the claim against you turns out to be unfounded. Defending a claim can cost tens of thousands of pounds, so this element alone makes the policy worthwhile.
• Medical expenses - Immediate medical costs for an injured third party, which can help resolve smaller claims quickly and without going to court.

What is not usually covered

• Injuries to your own employees (covered by employers' liability insurance)
• Damage to your own property or tools
• Claims arising from professional advice or design errors (covered by professional indemnity insurance)
• Deliberate or criminal acts
• Contractual liability you have assumed beyond what the law requires
• Pollution or contamination, unless specifically added to your policy
• Claims related to work carried out before the policy start date

It is important to read your policy schedule and any endorsements carefully. Some policies include additional extensions, while others may apply specific exclusions based on your trade or the nature of your work.

No, public liability insurance is not a legal requirement in the UK. Unlike employers' liability insurance, which is a legal requirement for any business that employs staff under the Employers' Liability (Compulsory Insurance) Act 1969, there is no law that compels you to hold public liability cover.

However, just because it is not legally required does not mean you can afford to go without it. In practice, many businesses find that public liability insurance is effectively mandatory for the following reasons:

• Client contracts - Many clients, especially larger companies, local authorities, and housing associations, require you to hold a minimum level of public liability cover before they will award you a contract or allow you on site.
• Trade body membership - Professional associations and trade bodies often require members to hold public liability insurance as a condition of membership.
• Landlord or venue requirements - If you operate from rented premises, attend trade fairs, or work at public events, the venue or landlord may require proof of cover.
• Mortgage and lease conditions - Some commercial leases and mortgage agreements include a clause requiring the occupier to hold public liability insurance.

If you are a self-employed tradesperson or a contractor, clients will almost always ask to see your public liability certificate before you start work. Without it, you risk losing contracts and being unable to operate in your market.

The cost of public liability insurance varies depending on your trade, turnover, the level of cover you choose, and the nature of your work. As a general guide, many self-employed workers and small businesses pay between £40 and £200 per year for a standard policy with £1 million or £2 million of cover. That works out to just a few pounds per month for many trades, making it one of the most affordable forms of business protection available.

Premiums have remained relatively stable in recent years, though businesses in higher-risk sectors such as construction and roofing will typically pay more than those in lower-risk office-based roles. Your individual premium will be calculated based on a combination of factors, which we explain in detail below the table.

The table below shows typical annual premiums for different trades at a £1 million cover level. These are indicative figures based on a sole trader or small business with modest turnover, and your actual premium may differ based on your specific circumstances.

Factors that affect your premium

Several factors will influence how much you pay for public liability insurance. Understanding these can help you manage your costs and make sure you are not paying more than you need to.

• Your trade or profession - Higher-risk trades such as roofing or demolition will pay significantly more than lower-risk office-based businesses. Insurers base their pricing on historical claims data for each trade.
• Annual turnover - A higher turnover generally means a higher premium, because the insurer assumes a larger business has more customer interactions and therefore a greater chance of a claim.
• Level of cover - Increasing your cover limit from £1 million to £5 million typically adds only a modest amount to your premium. The difference between £1 million and £2 million cover is often less than £20 per year.
• Number of employees - More staff means more potential for incidents, so businesses with employees typically pay more than sole traders.
• Claims history - A clean claims record will usually result in lower premiums. If you have made previous claims, your insurer may charge a higher rate or apply specific exclusions.
• Location - Working in central London or other high-cost areas may push premiums up slightly compared to rural locations.
• Contract values - If you regularly work on high-value contracts, some insurers will adjust the premium to reflect the increased exposure.

The best way to find competitive pricing is to compare quotes from several insurers. At Money Saving Advisors, we help you compare policies side by side so you can find the right balance between cover and cost.

Public liability insurance is available at several standard cover levels: £1 million, £2 million, £5 million, and £10 million. The right level for your business depends on the type of work you do, who your clients are, and the potential value of a claim against you. Choosing too little cover leaves you exposed if a large claim exceeds your policy limit, while choosing too much means you are paying for protection you may never need.

For many sole traders and small businesses working with domestic clients, £1 million or £2 million of cover is often sufficient. However, if you work on commercial contracts, attend public events, or carry out higher-risk work, you may need £5 million or more. The key is to match your cover level to the realistic worst-case scenario for your type of work.

It is also worth checking what your clients and industry bodies expect. Many commercial clients will specify a minimum cover level in their contracts, and failing to meet that threshold means you cannot take on the work. The table below provides a general guide to help you choose the right level.

It is worth noting that increasing your cover from £1 million to £5 million rarely doubles the cost. In most cases, the additional premium is modest, often just £20 to £50 per year. Given the relatively small extra cost, it is usually worth opting for a higher cover level to give yourself more protection. Think of the difference as a small monthly outlay for significantly greater peace of mind.

Always check what your clients require. If a contract specifies £5 million of public liability cover and you only hold £1 million, you will not be able to take on that work. It is far easier to take out adequate cover from the start than to upgrade mid-contract. Upgrading mid-term is possible with most insurers, but it means additional administration and a revised premium calculation.

If you are a contractor working across multiple sites or clients, consider taking the highest level that any of your clients requires. This saves you from having to adjust your cover every time you win a new contract with different insurance requirements.

Public liability insurance is just one of several types of business insurance you may need. Understanding the differences between the main policy types will help you put together the right package for your business without paying for cover you do not need, or leaving dangerous gaps in your protection.

The three most common types of business insurance are public liability, employers' liability, and professional indemnity. Each one protects against a different category of risk, and many businesses need two or even all three. Employers' liability is a legal requirement for any business with employees, so if you have staff, that should be your first priority. Public liability and professional indemnity are not legally required in most cases, but they are often essential in practice.

The table below summarises the key differences between these three policy types, including what each one covers, who typically needs it, and whether it is a legal requirement.

Many businesses need more than one of these policies. For instance, a tradesman with employees would typically need both public liability and employers' liability insurance. An architect or IT consultant might need both public liability and professional indemnity insurance. A shop owner with staff and stock would likely need all three, plus additional cover for their premises and contents.

Insurers often bundle these covers together into a combined business insurance package, which can be more cost-effective than buying each policy separately. A combined package also means a single renewal date, one insurer to deal with, and no risk of conflicting policy terms between different providers.

When comparing quotes, look at what is included in the package and check whether any essential cover has been left out. Some packages marketed as "business insurance" only include public liability and employers' liability, with professional indemnity available as an optional add-on at extra cost. Others include all three but with lower-than-standard cover limits. Always check the detail rather than relying on the package name.

If an incident occurs that could lead to a public liability claim, it is important to act quickly and follow the correct steps. Most insurers require you to notify them as soon as possible, even if a formal claim has not yet been made against you.

Steps to follow

• Step 1: Make the area safe - Prevent further injury or damage. If someone has been hurt, call for medical assistance if needed.
• Step 2: Document everything - Take photographs of the scene, the injury, or the damage. Write down exactly what happened, including the date, time, location, and the names of anyone involved or who witnessed the incident.
• Step 3: Notify your insurer - Contact your insurer or broker as soon as possible. Most policies require notification within a set timeframe, typically 30 days. Do not admit liability or make any offers to pay for damage or medical expenses.
• Step 4: Cooperate with the investigation - Your insurer will appoint a claims handler who may ask you for additional information, photographs, or witness statements. Respond promptly and provide everything they ask for.
• Step 5: Let your insurer handle the claim - Your insurer will negotiate with the claimant and manage the legal process. They will aim to settle the claim as quickly as possible, either through negotiation or, if necessary, through the courts.

A common example: an electrician working in a client's home accidentally leaves a cable across a doorway. The homeowner trips and fractures their ankle. The electrician should photograph the scene, collect the homeowner's details, and notify their insurer the same day. The insurer then handles the claim from that point forward.