On Sunday, 18 October 2020 10:58:19 UTC+1, Scott wrote:
Arguably, if you live in a flat there would be logic in activating the
alams in neighbouring flats

Definately not, in most low-rise buildings with reasonable fire compartmentation. The certainty of false or even malicious alarms from neighbours at 3 am.

If a whole building alarm is needed it needs to be a proper panel system, preferably with C-Tec hush/isolation buttons for each dwelling.

Owain