UK plumbers face specific risks: water damage to a client's property, heat work when soldering, and injury claims on site. This guide reviews six FCA-authorised UK providers, comparing public and employers' liability, tools, and the conditions that matter for plumbing, using the FCA Register, GOV.UK, and Association of British Insurers data. Kael Tripton does not provide quotes, does not route enquiries to brokers, and does not earn commission from any provider mentioned.
Key Facts
- Public liability covers claims by clients and the public for injury or property damage, including water damage caused by a plumber's work (ABI, accessed June 2026).
- Employers' liability is compulsory once a plumber employs staff or labour-only subcontractors treated as employees, with a £5 million legal minimum (GOV.UK; Employers' Liability (Compulsory Insurance) Act 1969).
- Policies commonly impose conditions on heat or hot work, such as soldering, that must be met for a related fire claim to be paid.
- Public liability was the most commonly held SME cover at 57 per cent of respondents (ABI SME underinsurance report, January 2026).
- All providers must be FCA-authorised, and disputes can be referred to the Financial Ombudsman Service (FCA; FOS, accessed June 2026).
How liability insurance works for plumbers
A plumber's liability insurance centres on public liability, which covers claims by clients and the public for injury or property damage connected to the work. For plumbers, the most common and costly claims involve water damage, where a leak or fault following work damages a customer's property. The ABI describes public liability as covering both the compensation and the legal costs of defending such claims.
Employers' liability is the compulsory layer once a plumber employs anyone, including some labour-only subcontractors treated as employees. Under the Employers' Liability (Compulsory Insurance) Act 1969, the legal minimum is £5 million, with daily fines for going without. A genuine sole-trader plumber working alone usually does not need it, but should check the status of any subcontractors used.
Two plumbing-specific features matter. First, heat or hot work conditions: because soldering and torch work create fire risk, policies often require specific precautions, and a fire claim can be declined if they are not met. Second, tools cover, which protects expensive equipment subject to strict security conditions. Professional indemnity may also apply where a plumber designs or specifies systems. All insurers must be FCA-authorised, verifiable on the FCA Register at register.fca.org.uk, with disputes referable to the Financial Ombudsman Service.
Providers compared at a glance
| Provider | Liability cover | Distribution | FCA reference | Suits plumbers who |
|---|---|---|---|---|
| Aviva | Public, employers, PI | Brokers and direct | 202153 | Want a large insurer |
| Zurich | Public, employers, PI | Brokers and direct | 203093 | Want combined trade cover |
| Direct Line for Business | Public, employers, tools | Direct | 202810 | Prefer to buy direct |
| Simply Business | Public, employers (panel) | Intermediary | Verify on FCA Register | Want to compare insurers |
| Tradesman Saver | Public, employers, tools | Direct scheme | Verify on FCA Register | Want a sole-trader package |
| Rhino Trade | Public, employers, tools | Direct scheme | Verify on FCA Register | Want included tools cover |
Cover offered reflects published documentation and is confirmed at quotation. FCA reference numbers are from the FCA Register, accessed June 2026.
Aviva
Who Aviva is
Aviva Insurance Limited is authorised by the FCA under reference 202153 and offers plumber cover within its commercial and tradesman policies, through brokers and direct.
What the policy covers
Aviva provides public and employers' liability with optional tools and professional indemnity, covering water damage and third-party claims within standard liability wordings.
Notable exclusions
Heat work that breaches policy conditions, employee injury under public liability, and design liability without professional indemnity are excluded.
Policy limits and excess
Public liability commonly £1 million to £10 million; employers' liability at the £5 million minimum or above. Excess set per section.
Who this policy suits
Plumbers wanting combined liability and tools cover from a large insurer.
Zurich
Who Zurich is
Zurich Insurance Company Ltd is authorised by the FCA under reference 203093 and offers trade cover through brokers and direct.
What the policy covers
Zurich provides public and employers' liability with tools and contract works options, suitable for plumbers working on domestic and commercial sites.
Notable exclusions
Hot work outside policy conditions and risks outside the chosen sections are excluded.
Policy limits and excess
Public liability commonly £1 million to £10 million; employers' liability at the minimum or above. Excess set per section.
Who this policy suits
Plumbers wanting combined trade cover including contract works.
Direct Line for Business
Who Direct Line for Business is
A brand of U K Insurance Limited, authorised by the FCA under reference 202810, selling tradesman cover directly.
What the policy covers
Direct Line for Business offers public and employers' liability and tools cover with defined security and work conditions, bought online or by phone.
Notable exclusions
Tool theft without the required vehicle security, heat work outside conditions, and employee injury under public liability are excluded.
Policy limits and excess
Public liability up to £10 million; employers' liability at the minimum or above. Excess set per section.
Who this policy suits
Plumbers who prefer to buy and manage cover directly.
Simply Business
Who Simply Business is
Simply Business is an FCA-authorised intermediary arranging cover from a panel of insurers. Confirm the firm and insurer on the FCA Register.
What the policy covers
Simply Business arranges public and employers' liability and tools cover for plumbers, with terms set by the chosen insurer, allowing comparison.
Notable exclusions
Exclusions follow the underlying insurer, typically covering heat work conditions and tool security requirements.
Policy limits and excess
Public liability commonly £1 million to £10 million depending on insurer. Excess varies.
Who this policy suits
Plumbers wanting to compare cover across several insurers.
Tradesman Saver
Who Tradesman Saver is
Tradesman Saver is a specialist scheme for tradespeople. Confirm the authorised firm on the FCA Register.
What the policy covers
Tradesman Saver bundles public and employers' liability with tools cover that commonly includes transit and overnight protection, aimed at sole-trader plumbers.
Notable exclusions
Heat work outside conditions and tool theft without required security are excluded.
Policy limits and excess
Public liability commonly £1 million to £5 million. Excess set per policy.
Who this policy suits
Sole-trader plumbers wanting an affordable bundled package.
Rhino Trade
Who Rhino Trade is
Rhino Trade Insurance is a specialist scheme. Confirm the authorised firm on the FCA Register.
What the policy covers
Rhino Trade offers public and employers' liability with tools in transit and overnight cover positioned as standard, suited to plumbers carrying valuable kit.
Notable exclusions
Heat work outside conditions and theft without forced entry are excluded.
Policy limits and excess
Public liability commonly £1 million to £5 million. Excess set per policy.
Who this policy suits
Plumbers who want included tools cover at a low entry cost.
How to compare liability insurance for plumbers objectively
Begin with the public liability limit your clients and main contractors require, often £2 million, £5 million, or £10 million, and remember water damage claims can be large. Then check whether you employ anyone, including labour-only subcontractors, which triggers compulsory employers' liability.
Read the heat or hot work conditions carefully. Because soldering and torch work create fire risk, insurers commonly require specific precautions, and a fire claim can be refused if they are not followed. If you carry valuable tools, check whether transit and overnight cover are included and what security is required.
Consider professional indemnity if you design or specify systems rather than only installing. Verify the insurer or intermediary on the FCA Register before buying, and escalate eligible disputes to the Financial Ombudsman Service if a claim is declined and you disagree.
Frequently asked questions
What liability insurance does a plumber need?
Most plumbers need public liability, which covers client and public claims including water damage. Employers' liability is compulsory once you employ staff or labour-only subcontractors treated as employees, with a £5 million minimum.
Does public liability cover water damage caused by a plumber?
Yes, public liability typically covers damage to a client's property caused by the plumber's work, including water damage, subject to the policy terms. Water damage is one of the most common plumbing claims.
What are hot work conditions in a plumbing policy?
Hot or heat work conditions are requirements for tasks like soldering and torch work, intended to manage fire risk. If a fire claim arises and the conditions were not met, the insurer may decline it, so follow them carefully.
Do sole-trader plumbers need employers' liability?
Generally not if they work alone with no employees. However, using labour-only subcontractors can trigger the requirement, so check their status, as employers' liability is compulsory once you effectively employ someone.
How do I check a plumber's insurer is authorised?
Search the firm's name or reference number on the FCA Register at register.fca.org.uk. The Register shows the authorised legal entity behind any brand, and all providers in this guide must be authorised.
What if my plumbing liability claim is rejected?
Use the insurer's internal complaints process first. If you remain dissatisfied, you can refer an eligible complaint to the Financial Ombudsman Service, which independently reviews disputes between smaller businesses and FCA-regulated firms.
