Most UK electricians work alone for at least part of their week — domestic call-outs, after-hours commercial work, void properties, plant rooms in unstaffed buildings. Lone working is not banned, but it is regulated, and certain tasks must never be done alone. This guide explains what counts as lone working in an electrical context, the legal framework, control measures that actually work on site, the tasks you should refuse to do alone, and the mental health side that the trade has historically ignored.
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Written and reviewed by Andrew Moore, founder of Elec-Mate, against BS 7671:2018+A4:2026, IET Guidance Note 3 and the IET On-Site Guide.
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HSE defines a lone worker as anyone who works by themselves without close or direct supervision. In an electrical context that net is wider than most people realise — it covers far more than just a solo domestic call-out.
A colleague three floors away who cannot see or hear you, and who is not on a scheduled check-in pattern, does not change your lone-worker status. The test is whether someone could realistically detect that you are in trouble and respond in time.
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Lone working does not create new electrical hazards — the cable is just as live whether you are alone or with a mate. What lone working changes is the consequence severity and the time-to-help if anything goes wrong. The risks worth assessing fall into five buckets:
There is no single "Lone Workers Act" in UK law. Instead, lone working is governed by a stack of overlapping duties — primarily under health and safety legislation, and supplemented by industry guidance:
HSE is explicit: lone working is permitted provided the risks have been properly assessed and controlled. The duty is to assess, control and review — not to refuse all solo work. The exception is the small set of tasks that legislation or industry practice treats as never-alone, covered below.
A lone-working policy that lives in a folder nobody reads is worthless. The controls below are the ones HSE expects to see in practice — and the ones that survive a real incident investigation:
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A subset of electrical work is treated by industry and regulators as never-alone. The reasoning is not "two pairs of hands" — it is that the consequence of a single mistake is so severe that a second person is required to raise the alarm, isolate, and effect rescue. Do not attempt these tasks solo regardless of commercial pressure:
If a customer, employer or principal contractor pressures you to do never-alone work solo, the answer is no. HSE and the courts will not accept "the client wanted it finished today" as a defence to a Regulation 14 prosecution or a fatal-accident investigation.
The trade has historically treated lone-working risk as purely physical — shock, fall, burn. The mental health dimension is real and has measurable consequences. Construction has one of the highest suicide rates of any sector in the UK. Prolonged solo work, financial pressure, and a culture that discourages talking are all contributors.
The scheduled phone check-in is also an opportunity for a short, honest "how are you doing today" — not just "are you alive." A 30-second conversation costs nothing and is the single most reliable way to spot a problem before it becomes a crisis.
When something goes wrong on a lone-working job, HSE, insurance and the courts ask three questions: was there a risk assessment, were the controls followed, and was it documented. The paperwork below is the minimum that survives scrutiny:
A practical four-to-six step rollout that meets HSE INDG73 expectations and gives you defensible documentation.
State who can work alone, what tasks are permitted alone, the never-alone list (live work, height above 2 m, confined space, impeded-escape locations), the check-in pattern, and the emergency escalation procedure. Sign and date it. Review annually.
For each recurring lone-working scenario (domestic EICR, void first-fix, after-hours commercial, plant-room maintenance), generate a RAMS that names the hazards, the controls and the residual risk. Do not rely on a single generic assessment — MHSWR 1999 expects task-specificity.
Agree scheduled call times with a named contact. Install a lone-worker app with man-down and SOS features on every operative's phone. Test the app, the SOS, and the escalation chain once before relying on them in the field.
Walk every operative — including apprentices and subcontractors — through the policy, the never-alone list, the app, and the emergency procedure. Record the briefing. Repeat annually and after any incident or near-miss.
Capture missed check-ins, refused jobs, customer-aggression incidents and any equipment failure. Review the log monthly. Use it to retune the policy — if a control is failing in practice, change it before the next incident.
Add a real "how are you doing" question to the check-in pattern. Put the Lighthouse 24/7 helpline (0345 605 1956), Electrical Industries Charity and Samaritans (116 123) numbers on every operative's phone home screen. Normalise the conversation.
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