Public Liability Insurance for Gas Engineers UK

What public liability insurance covers for a gas engineer

Public liability insurance for a gas engineer responds to claims where the engineer's work causes accidental injury to someone or damage to property that is not their own. A common scenario is water or flue damage caused while removing or fitting a boiler, or a fault during servicing that leads to a fire or an escape of gas affecting a property beyond the appliance itself. The policy typically pays the resulting compensation and associated legal costs, up to the limit set in the schedule. It does not cover the gas engineer's own tools, van or equipment, and it does not cover the cost of correcting the engineer's own faulty workmanship, which falls into a different category of cover. Because gas work carries safety-critical risks, including carbon monoxide and fire, many engineers also look at professional indemnity cover for the advice element of their work, such as boiler sizing or system design, which sits alongside rather than inside a standard public liability policy.

Gas Safe Register's actual position on insurance

It is a common assumption that becoming Gas Safe registered automatically requires a set level of public liability insurance, but Gas Safe Register's own published information about its role states plainly that checking public liability and indemnity insurance for registered businesses and engineers falls outside its remit. Registration is granted on the basis of a business having at least one gas-safety-qualified engineer and meeting the technical competence requirements set out in the Gas Safety (Installation and Use) Regulations 1998, not on the basis of an insurance certificate. This does not mean insurance is unnecessary in practice. It means the requirement, where one exists, comes from elsewhere: a landlord, a letting agent, a local authority, a housing association, or a main contractor, rather than from the registration body itself.

What landlords, agents and local authorities actually ask for

Even without a Gas Safe requirement, most gas engineers working in the private rented or social housing sector find that landlords and letting agents will not book a job without seeing a current certificate of public liability insurance, and many specify a minimum figure in their terms of engagement, commonly £1 million or £2 million for domestic work. Local authority contracts and larger housing association frameworks often set higher minimums, frequently £5 million or £10 million, as part of their standard pre-qualification requirements for any contractor working in occupied residential property. Commercial gas work, such as servicing appliances in a restaurant kitchen or a care home, tends to sit at the higher end of these bands given the greater potential scale of a claim.

Public liability versus employers' liability insurance

Public liability and employers' liability insurance cover different people and are easy to conflate because gas engineers often buy them as part of the same combined business policy. Public liability responds to claims from customers, occupants or members of the public. Employers' liability responds to claims from the engineer's own staff. Employers' liability insurance is separate from public liability insurance and is a legal requirement under the Employers' Liability (Compulsory Insurance) Act 1969 for any business that employs staff, including apprentices and casual or part-time help. The legal minimum is £5 million of cover for any one claim, though most insurers offer £10 million as standard. The HSE enforces the Act and can fine an employer up to £2,500 for every day it operates without valid cover.

Typical cover levels and what drives the price

Public liability cover for gas engineers is commonly available from £1 million upwards, with £2 million or £5 million a frequent choice for engineers who take on a mix of domestic and light commercial work. Insurers generally price the policy according to turnover, the split between domestic and commercial work, whether the engineer works alone or employs others, and claims history. Engineers who also carry out related work, such as general plumbing or heating installation beyond gas appliances specifically, may find their premium reflects the combined risk profile of that broader scope of work rather than gas work in isolation.

Checking a broker or insurer, and what to keep on file

As with any regulated insurance product, public liability policies for gas engineers are typically sold by brokers or insurers authorised by the Financial Conduct Authority, and the FCA Financial Services Register is the primary public source for confirming a firm's authorisation before taking out or renewing cover. Alongside the insurance certificate, most landlords, agents and local authorities also expect to see current Gas Safe registration and the specific gas categories an engineer is qualified to work on, since these are the two separate checks, competence and insurance, that together make up what a client is really assessing before booking gas work.

Frequently asked questions

Does Gas Safe Register require public liability insurance?

No. Gas Safe Register's own published remit confirms that checking public liability or indemnity insurance for registered businesses and engineers falls outside what it does. Registration is based on gas safety competence, not on an insurance certificate.

Is public liability insurance a legal requirement for gas engineers?

No, there is no general legal requirement to hold public liability insurance. However, most landlords, letting agents, local authorities and commercial clients will not book gas work without proof of cover, so it operates as a practical requirement in most of the market.

How much public liability cover do gas engineers typically carry?

Cover commonly starts at £1 million and rises to £2 million or £5 million for engineers working across domestic and light commercial jobs. Local authority and larger commercial contracts often specify £5 million to £10 million.

What is the difference between public liability and employers' liability for a gas engineer?

Public liability covers claims from customers or the public for injury or property damage caused by the work. Employers' liability, which is legally compulsory with a £5 million minimum if the business has staff, covers claims from the engineer's own employees.

Does public liability insurance cover a gas engineer's own faulty workmanship?

No. Standard public liability insurance covers third-party injury and property damage, not the cost of correcting the engineer's own defective work. Advice-related risk, such as incorrect boiler sizing, typically sits under professional indemnity insurance instead.