How often should I check smoke alarm batteries?

When you change your clock at the end of daylight savings, change your smoke alarm batteries too.

All smoke alarms, whether ionised or photoelectric, hard-wired or battery operated, are manufactured to a standard that requires them to have an effective life of 10 years.

After this time, their efficiency can be compromised or they may malfunction.

More information

Category: Smoke and Carbon Monoxide Alarms