Verifying Unexpected Visitors

Most unexpected knocks are harmless, but a small number are attempts to gain entry under a false pretext. Verifying who is actually at your door, and why, is one of the simplest and most effective habits a household can adopt. This page sets out practical steps for doing so without being rude or overly confrontational.

Start with a closed barrier

Before any conversation takes place, there should ideally be a locked gate, security door, or chain between you and the caller. This allows you to talk, look, and ask questions without being physically exposed. If your property does not currently have such a barrier, treating the front door itself as the boundary, and opening it only partially with a chain in place, is a reasonable interim approach.

Ask for identification, and look at it properly

Legitimate utility workers, meter readers, and technicians usually carry identification cards, often with a photograph and a reference or employee number. It is reasonable to ask to see this through a gate or window before unlocking anything. Take a moment to actually read it rather than glancing at it, and note the name and number if you plan to call the organisation to confirm.

Call the organisation independently

If someone claims to represent a specific company or municipal department, avoid relying on any phone number the caller gives you. Instead, use a number you already have on a previous bill, or one you look up independently, and ask whether they have staff scheduled to visit your address that day. This single step removes most fraudulent callers, since genuine technicians are usually logged in a scheduling system.

Be cautious with requests that create urgency

Certain phrases are commonly used to pressure people into skipping verification, such as claims of a gas leak, an urgent meter fault, or a medical emergency requiring immediate access to water or a phone. Urgency is not proof of dishonesty, but it is a signal to slow down rather than speed up. A genuine emergency service will generally not object to you confirming their identity first, even if it takes an extra minute.

Watch for inconsistencies

A uniform that looks generic or does not match the company name given.
A vehicle with no visible branding, or branding that looks informal or hand painted.
Reluctance to show identification, or an identification card that looks worn, incomplete, or inconsistent in format.
Vague answers about which specific job or fault they are there to address.
A second person waiting nearby who does not explain their role.

Any one of these on its own may have an innocent explanation, but several together are a reasonable basis for declining entry and suggesting the caller return after you have confirmed their visit independently.

Children, domestic staff, and visitors

Anyone who might answer the door in your absence should know the same basic rules: do not open fully, do not confirm whether adults are home or away, and take a message or ask the caller to return later if verification is not possible at that moment. Clear, simple instructions work better than long explanations, particularly for younger household members.

After the visit

If a caller behaved oddly, or if something about the interaction did not sit right, it is worth noting the time, a description, and any vehicle details, even if nothing happened. This information can be useful if similar visits are reported elsewhere in the neighbourhood, and it costs nothing to record while the details are still fresh.

Verification is not about distrust as a default position. It is a short, repeatable process that protects both the household and genuine visitors, since a confirmed caller can then be dealt with quickly and courteously.