Do tradespeople need public liability insurance?
As a tradesperson you’ll know that no two jobs are the same – whether fitting a kitchen, plumbing a bathroom…
Many tradesmen assume professional indemnity is only for people with a desk job. But in reality, if your work involves advice, plans, measurements or specs, it can be relevant to you too.
Small errors like misinterpreting building designs, ordering the wrong materials or recommending the wrong product for installation can leave you out of pocket. If a client claims against you for your negligence, professional indemnity could have you covered.
So what exactly does professional indemnity cover and what does it mean for tradespeople?
*Disclaimer – This guide provides general information about trades insurance. Cover, limits, conditions and exclusions vary between policies and providers. Always check your policy wording and schedule for full details.
Quick recap: what is professional indemnity insurance?
Essentially, professional indemnity (PI) protects against claims of financial loss caused by your professional negligence while providing professional advice, consultancy or services.
You’ll normally find it available with most tradesmen insurance packages, either included as standard or as an optional add-on. Some insurers may also offer it as a stand-alone policy alongside other cover.
What does professional indemnity cover for tradespeople?
What this means for tradespeople is it can cover the costs if your work-related errors result in project delays or extra expenditure for your clients.
This could be recommending incorrect product types, using incorrect materials, misinterpreting design specifications or even providing the wrong specifications or measurements yourself.
The long and short of it, if you make an error while providing a service or give advice that means work needs to be redone or the job gets delayed, professional indemnity could cover you if a client claims against you.
Examples of professional indemnity claims for trades
Putting that into context, a few examples of professional indemnity claims for tradespeople could include:
- A builder recommends the incorrect insulation type for a new home. The project is delayed and more money has to be spent on ordering the right materials. The client claims against them for financial losses and extra costs caused by this error.
- A joiner takes incorrect measurements for a kitchen fitting. The error is only noticed after materials are ordered and the job is part-way finished. More materials have to be purchased and construction is delayed, resulting in the client claiming against them.
- An electrician wrongly assesses a shop’s electrical installation as safe and compliant. This leaves the shop unable to open and the owner claims against the electrician for loss of income as well as the cost to remedy safety concerns and get another assessment done.
- A bricklayer accidentally misinterprets house designs and builds a wall to the wrong specifications. The wall has to be rebuilt and the whole project is delayed. The client claims against them after they have to order more materials and pay other tradesmen for the extra hours worked.
What it doesn’t cover
Professional indemnity insurance can be hard to get your head around and is often assumed to cover things it doesn’t. To clear up some common confusions, remember that it doesn’t cover things like:
- Bodily injury
- Property damage
- Deliberate reckless acts
- Poor workmanship i.e. where you construct, install or repair work to a bad standard
To put it simply, it won’t normally cover you for doing your job badly, but it can protect you if you make a genuine professional mistake while doing your job.
What’s a professional indemnity retroactive date?
Professional indemnity normally offers retroactive cover, working on a claims made basis. That means that even if you completed the work before your policy started, as long as the claim is made while the policy is active, you could be covered.
Your retroactive date tells you how far back your retroactive cover reaches i.e. the earliest date from which your insurer will cover you for past work.
Example
Assuming a currently active policy has a retroactive date of 31st January 2022:
- If the claim relates to work completed in August 2022, you could be covered
- If the claim relates to work completed in October 2021, you won’t be covered
You can check out our guide to retroactive dates for a full run down of what they are and how they work.
Do tradespeople actually need PI?
The only situation where a tradesperson “needs” professional indemnity would be if it’s either:
1. Contractually required by a client – normally with a specific minimum cover limit
OR
2. A trades body or association requires it as a term of their membership
Even if you don’t need it under these circumstances, many tradesmen prefer to hold PI just in case a small professional error leads to a costly client claim.
Professional indemnity vs public liability
Professional indemnity and public liability can get mixed up and used interchangeably. But they actually cover very different things.
| Professional indemnity | Public liability | |
|---|---|---|
| Claims it can cover | Where your professional mistakes or errors cause a client financial loss | Where you (or your equipment) causes third-party property damage or injury |
| Costs it can cover | Compensation costs or legal defence fees | Repair costs, medical fees, compensation payments, or legal representation |
| Claims basis | Claims made basis* – where the insurer is notified of the claim during the policy period, even if the insured incident occurred before the policy start date | Claims occurring basis* – where the insured incident occurs during the policy period |
To simplify it – professional indemnity can cover mistakes and actions while doing your job, public liability can cover damage or injury caused by your actions or work.
*You can learn more about claims basis in our business insurance glossary. Always check with your insurer for exact coverage details.
Professional indemnity insurance with Kingsbridge
At Kingsbridge, we offer a flexible combined Trades Insurance policy that you can tailor with our Professional Indemnity add-on.
That means you can get standard cover like Public Liability, Goods & Tools cover and Employers’ Liability (where required) plus the extra cover you need all under one handy package policy.
Our cover also offers perks like:
- Up to £2,500 Goods & Tools cover included as standard
- Other optional add-ons for extra flexibility, like Hired in Plant, Owned Plant and Contract Works
- Cover for tools stolen from a secured van overnight (where there are signs of forced entry and security conditions are met)
- Nil or low excess available for most trades (will be noted in your policy schedule)
- Real support from in-house dedicated experts
- No hidden fees
Get in touch to get quote today or speak to our in-house experts to find the right level of cover for your trade.
Trades professional indemnity FAQs
How much is professional indemnity for tradespeople?
The cost of professional indemnity insurance varies, but for most tradespeople it’s relatively affordable. It normally depends on things like:
- The type of trade you do
- How much advice, design or specification work you provide
- Your annual turnover
- The level of cover you choose
- Minimum cover limits you need for contractual or trade body requirements
How much professional indemnity do I need?
How much professional indemnity cover you might need usually depends on:
- Contract requirements (many commercial contracts specify a minimum level)
- The size and value of your projects
- The potential financial impact of a mistake
Common cover limits range from £1 million to £3 million or more. A good rule of thumb is to match your cover to the largest job or contract you work on, not the average one.
Is PI legally required?
Professional indemnity insurance isn’t legally required for tradespeople, but that doesn’t mean it isn’t important.
Many clients, contractors and commercial projects insist on it as part of their contract terms, especially where advice, design or specifications are involved. Even when it’s not mandatory, having professional indemnity in place can protect you from costly claims and help you win higher‑value work.
Does professional indemnity cover poor workmanship?
No, it doesn’t normally cover poor workmanship, deliberate recklessness or physical defects. It typically only covers genuine accidental mistakes or errors in carrying out your job.
Do subcontractors need their own professional indemnity?
Often, yes. Many contractors expect subcontractors to hold their own insurance, including professional indemnity where advice or design is involved.
Even if a main contractor has cover, it may not protect you if a claim is made against your work or advice.
Which professions need professional indemnity cover?
Professional indemnity is commonly needed by tradespeople who:
- Give technical advice or product recommendations
- Produce drawings, plans or specifications
- Design or calculate systems or layouts
This can include electricians, plumbers, heating engineers, builders, carpenters, joiners, groundworkers and anyone involved in project planning or design decisions.
Can I be claimed against even after a job is finished?
Normally yes — professional indemnity insurance works on a claims‑made basis. That means that if you have an active policy in place when the claim is made, it can be covered, even if the incident occurred before the policy start date.
Just be sure to check your retroactive date, as this will determine the earliest date an insured event can occur while still being covered.
Do sole traders need professional indemnity cover?
Sole traders can absolutely benefit from professional indemnity – they can still be claimed against in the same way as limited companies.
Professional indemnity can protect:
- Your business
- Your income
- Your personal finances
If you give advice, designs or specifications, being a sole trader doesn’t reduce the risk — and you may even have more at stake.
Is professional indemnity insurance worth it for trades?
For many trades, yes. If you give advice, produce plans, or help clients make decisions, it can be worth having. Professional indemnity insurance helps cover legal costs and compensation if something you advised, design or interpret goes wrong. It may also be needed for contract work, so it can protect both your finances and your ability to win jobs.
How do I know if I need professional indemnity insurance?
A good rule of thumb: if clients rely on your advice, you may benefit from it. This includes recommending materials, designing layouts, or signing off work. If there’s a chance a mistake could cost your client money, professional indemnity insurance can give you peace of mind.
