By the DC Fire & Security engineering team — installing and maintaining fire and security systems since 2010. Updated June 2026.
UK businesses using CCTV must display clear signs telling people they are being recorded, who operates the system, why, and how to contact the operator. This is a transparency requirement of UK GDPR enforced by the ICO. Homeowners whose cameras capture beyond their boundary should also display a basic sign. Signs must be visible before people enter the monitored area.
The ICO expects signage to communicate four things: that CCTV is in operation, who operates it (your business name), the purpose (e.g. crime prevention and public safety), and contact details for enquiries. A compliant sign is typically A4 or larger at eye level at every entrance to the monitored area, with smaller repeater signs inside large spaces.
Before the cameras, not beside them — the point is that people are informed before entering the recorded area. In practice: every pedestrian and vehicle entrance, reception, car park entries, and repeated within very large areas. Size scales with viewing distance: an A4 sign works at a doorway; vehicle entrances need larger formats readable from a moving car.
If you record audio anywhere, your signage must say so explicitly — audio is treated as significantly more intrusive and is hard to justify in routine monitoring; most businesses should disable it. Covert recording (no signage) is lawful only in narrow circumstances such as a specific, documented investigation into serious wrongdoing where telling people would defeat the purpose, with senior sign-off and a defined end date — not as business as usual.
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