In a bid to lower how many calls there are to false alarms fire crews will no longer be sent to automatic fire alarms.  During 2012/13, Chesire crews responded to more than 2,500 alarms but only 29 of these calls involved a fire, which meant 98.7 per cent could have been avoided.

http://www.fia.uk.com/en/Information/Details/index.cfm/Fire-crews-to-attend-automatic-fire-alarms-no-longer