--- title: "BS 8418:2021 explained in plain English | SPS Technical" url: https://sps-technical.com/resources/standards/bs-8418 description: "BS 8418 is the British Standard code of practice for detector-activated, remotely monitored CCTV, where detectors trigger cameras and an operator at a…" lang: en-GB --- BS 8418:2021 Current edition Monitoring # BS 8418: detector-activated, remotely monitored CCTV, explained Reviewed by the SPS Technical team · Last checked 12 October 2026 ## Quick answer BS 8418 is the British Standard code of practice for detector-activated, remotely monitored CCTV, where detectors trigger cameras and an operator at a monitoring centre views the images and acts. It covers design, installation, commissioning, maintenance and monitoring, and a compliant system can qualify for police response. The current edition is BS 8418:2021. ## What it means for you - If you want police response to monitored CCTV, the system needs to be designed and maintained to BS 8418. - Detection zones and camera views must be planned together so every alarm shows the operator what caused it. - Monitoring should be carried out by a remote video response centre working to recognised standards. - Expect regular maintenance and a log of alarms, faults and false activations. ## Who it applies to Sites using monitored CCTV to protect perimeters, yards, construction sites, schools and unoccupied buildings, especially where police response is wanted. ## Common questions Can monitored CCTV get a police response? Yes, if the system is designed, installed and maintained to BS 8418 by a certified company and monitored by an approved centre. It is then issued a police unique reference number. How is BS 8418 different from ordinary CCTV? Ordinary CCTV records for later review. BS 8418 systems are triggered by detectors and watched live by an operator who can challenge intruders over speakers and call the police or a keyholder. ## Official sources - Search BSI Knowledge: https://knowledge.bsigroup.com/search?query=BS%208418 This page is a plain-English summary, not a copy of the standard. British Standards are copyright of BSI. ## Page updates - 12 October 2026: Edition confirmed as BS 8418:2021. 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