BS 9263: intruder alarm commissioning and maintenance, explained
Summary written and checked by the SPS Technical team · Last checked 1 November 2026
Quick answer
BS 9263:2016 is the British Standard for commissioning, maintaining and remotely supporting intruder and hold-up alarm systems. It sets what a maintenance visit must cover and how often visits are due: at least once a year for a bells-only system, and usually twice a year for a system that signals to an alarm receiving centre.
What it means for you
- Book at least one maintenance visit a year for a bells-only alarm.
- Expect two visits a year for a monitored alarm, unless your provider uses approved remote support for one of them.
- Make sure each visit checks detectors, batteries, signalling and the log, and that you get a written record.
- Keep the system log up to date so false alarms can be traced and fixed.
Who it applies to
Owners of intruder and hold-up alarm systems and the companies that commission and maintain them.
Common questions
How often should an intruder alarm be serviced?
At least once a year if it only sounds a bell on site. Monitored alarms that signal to an alarm receiving centre usually need two visits a year, and this is also a condition of police response.
What is remote support?
Remote support lets a certified engineer connect to the panel to check status or make changes without a site visit. BS 9263 sets the security and record-keeping rules for doing this.
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Official sources
This page is a plain-English summary, not a copy of the standard. British Standards are copyright of BSI.
Reviewed by the SPS Technical team · Last updated October 2026