Electrical Safety Requirements for Small Business Premises

If you run a small business — a shop, a café, a workshop, a salon or a modest office — electrical safety probably isn't at the top of your to-do list. Yet the law is clear: anyone with responsibility for premises used as a workplace must make sure the electrical installation is safe. That duty doesn't vanish because you employ three people rather than three hundred, or because you rent the building rather than own it.

Who Is Responsible for Electrical Safety?

Under the Health and Safety at Work etc. Act 1974 and the Electricity at Work Regulations 1989, the duty holder — usually the business owner, the employer, or the person in control of the premises — must take all reasonable steps to prevent danger from electricity. In practice, landlord and tenant often share the role. The landlord typically owns the fixed wiring, consumer unit and distribution boards; the tenant is responsible for anything they've installed themselves and for the equipment they use day to day.

Sort this out in writing before you sign a lease. A short clause confirming who arranges the periodic inspection, who pays for any remedial work and who keeps the certificates avoids a great deal of awkward conversation further down the line.

Periodic Inspection and Testing Explained

The main tool for checking fixed wiring is the periodic inspection and test, which results in an Electrical Installation Condition Report (EICR). A competent electrician inspects and tests the installation, then codes any issues they find:

• C1 — danger present, requires immediate action.
• C2 — potentially dangerous, needs urgent remedial work.
• C3 — improvement recommended, not immediately dangerous.

The report will state whether your installation is satisfactory or unsatisfactory. If any C1 or C2 codes appear, you have work to do, and some insurers will want evidence it has been completed. The inspection typically covers earthing and bonding, protective devices, cable condition, socket outlets, lighting circuits and the state of the consumer unit.

How Often Do You Need One?

There is no single legal interval, but BS 7671, the wiring regulations, sets out recommended maximum periods. These are a sensible starting point, although a risk assessment may justify testing sooner:

• Shops, offices and similar commercial premises: every five years.
• Industrial units and workshops: every three years.
• Restaurants, pubs and hotels: every five years, or sooner where there is heat, steam or heavy use.
• Houses in multiple occupation: every five years.
• Construction site installations: every three months.
• Caravan parks and marinas: often annually.

Where conditions are harsh — dusty, damp, hot or subject to vibration — expect more frequent testing. A good electrician will tell you honestly what your building actually needs rather than simply quoting a table.

Portable Appliances, RCDs and Emergency Lighting

Fixed wiring is only part of the picture. Portable appliance testing is not a legal requirement in itself, but the equipment must be maintained in a safe condition. A risk-based approach works well: test the items that get heavy use, move around, or are handled by the public more often, and keep a simple register of what has been checked and when.

Socket outlets likely to be used by staff or visitors should have RCD protection where required, and RCDs need testing too — press the test button quarterly, and arrange trip testing at the interval recommended for your installation. If you have emergency lighting, it needs a monthly flick test and an annual duration test, with the results recorded in a log book.

Keeping Records and Choosing an Electrician

When an inspector or your insurer asks, paperwork is your evidence. Keep EICRs, remedial certificates, PAT records, RCD test logs and emergency lighting records together, either in a physical file or a simple spreadsheet, and note the date of the next inspection so it doesn't slip past unnoticed.

Use an electrician who is competent for the work — a member of a recognised competent person scheme, with public liability insurance and genuine experience of premises like yours. Ask for the certificate before making final payment, and keep copies of any minor works or installation certificates as well.

None of this is box-ticking for its own sake. A proper inspection catches overheating accessories, damaged cables and missing earth connections before they cause a fire or an injury — and it almost always costs far less than the disruption of an incident, an insurance dispute or an enforcement notice landing on your desk.