Daniel Squire · 12 March 2026
The latest amendments to BS 5839-1 sharpen requirements around remote monitoring, cause-and-effect documentation, and competence of maintainers.
If your system was designed before 2017, expect a gap analysis to flag at least one variation. None of it is alarming on its own — but together it shifts the bar on what 'compliant' looks like.
Our recommendation: book a no-obligation review, get the variations in writing, and prioritise anything that affects evacuation strategy first.

