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Electricians insurance · London

Electricians insurance in London

Reviewed by Apex Insurance Brokers · Published 16 July 2026

London electricians spend almost their entire working life inside other people’s buildings, in the middle of other people’s businesses, with somebody immediately above, below or on the other side of the wall. The capital is overwhelmingly a city of flats — Georgian and Victorian terraces cut into conversions, purpose-built council blocks, post-war towers and modern developments — and that one structural fact reshapes the risk more than anything else about the place.

The week runs across three kinds of work. There are condition reports and remedials across the largest private rented sector in the country, where the five-yearly duty on private rented homes generates a constant stream of inspection and remedial instructions. There is conversion and refurbishment work, where a rewire means cable routes through party walls, shared risers and floors that form somebody else’s ceiling. And there is commercial work — fit-out and maintenance in occupied offices, retail units and restaurants, much of it out of hours because that is the only time the space is free.

The real exposure is almost never the shock. It is what happens to the eleven flats below when a cable route finds a pipe; the retail unit that loses a trading day because of an isolation; the listed frontage or the decorated ceiling damaged during a chase; and, increasingly, the documentation trail on a tall building. Apex arranges cover that reflects how the trade actually works in a city of flats, placed by a named broker who will present your risk properly to insurers who understand it.

Key covers for electricians in London

A city of flats, and the neighbours below

What makes London different is not the wiring. It is that almost every job has third parties on the other side of the structure, and they are the ones who claim.

What working in London actually costs you

The claim is usually somebody else’s property. In a house, a mistake damages your client’s home. In a converted terrace or a block, it damages three or four homes belonging to people who never hired you, plus the communal parts. That changes both the likely size of a claim and the number of parties involved in arguing about it, and it is the main reason London limits of indemnity sit higher than they do elsewhere.

Contract conditions do a lot of the underwriting. Managing agents, freeholders, main contractors and developers set access conditions before you are allowed to start: a specified minimum limit, evidence of professional indemnity, method statements, permits. Read what you are signing. A contractual obligation to hold cover you do not actually hold is a straightforward and entirely avoidable problem.

Fire-stopping and compartmentation are now scrutinised. Penetrating a compartment wall or floor and failing to reinstate it properly is no longer a paperwork failure — it is a defect that gets found, recorded and traced back. Photograph what you do and keep the record.

Compliance considerations for electricians

BS 7671 (the IET Wiring Regulations) and the certification that goes with it — electrical installation certificates, minor works certificates and condition reports.

Part P of the Building Regulations for notifiable domestic work in England, and registration with a competent person scheme if you self-certify rather than notify building control.

The Electricity at Work Regulations 1989 — safe isolation, proving dead, and the duties that sit behind live-working decisions.

The Electrical Safety Standards in the Private Rented Sector (England) Regulations 2020 — five-yearly condition reports on private rented homes, which is what a great deal of landlord work now hangs on.

CDM 2015 duties on larger contracts, where you may carry contractor or principal contractor obligations.

What can go wrong

A cable route through a floor in a top-floor conversion finds a pipe, and water runs through several separately owned flats below — public liability responds, subject to the wording, and the claimants are not your client.

A fire in a converted terrace is traced back to a connection you made — public liability territory, with the building, the communal parts and multiple contents claims in play.

A chase into a listed interior damages decorative plasterwork or historic joinery, and the repair has to be done to a conservation standard — public liability responds, but the cost is far above ordinary making good.

An isolation during out-of-hours maintenance leaves a restaurant or retail unit unable to trade the next day — a financial loss rather than physical damage, which is why the extension matters.

Frequently asked questions

Most of my work is in converted flats. What limit should I be looking at?

Higher than the trade default, because your realistic worst case is not damage to one home. Water from a top-floor flat can pass through every flat beneath it, and a fire in a converted terrace involves the structure, the communal parts and several sets of contents.

I work on blocks over eighteen metres. Does that affect my insurance?

It affects the questions you will be asked. The building safety regime for higher-risk residential buildings has raised documentation and accountability expectations right down the contracting chain, so underwriters want to know what proportion of your work is in tall residential buildings, what your role is, and how you record what you have done — particularly around penetrations and fire-stopping.

Do I need professional indemnity as well as public liability?

If you take on any design or specification responsibility, yes. Public liability responds to injury and physical damage. Professional indemnity responds when your advice, design or certification is wrong and causes a financial loss.

Are my tools covered if the van is broken into overnight on the street?

Sometimes, and the detail is everything. Many wordings require evidence of forced entry, and a good number restrict or exclude tools left in an unattended vehicle overnight. If your working pattern makes emptying the van every night impossible, that needs to be disclosed and addressed at placement rather than argued about at claim.

The freeholder wants to see my insurance before I start. What are they actually checking?

Usually three things: that the limit meets the figure in their access conditions, that the policy covers the activity you are actually there to do, and that it is current on the day you attend. Some also want to be noted as an interested party.

Related

Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority. Firm reference number 724952. Registered in England and Wales, company number 07014570. Trading address: QCS, 53 Queen Charlotte Street, Bristol BS1 4HQ · Serving tradespeople in London and the wider region. This page is general information about commercial insurance and is not advice tailored to any individual business. Cover and terms are subject to underwriter assessment and the policy wording.
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Related reading: Builders' insurance · Employers' liability insurance explained · Public liability insurance explained
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