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Smoke alarms are very essential in any type of property you may own. You are more than twice likely to die in a fire if one of these is not fitted as it will alert you to the danger of a fire.

There are two types of smoke alarms;

• Ionisation alarms, these are the cheapest and most readily available smoke alarms. They are very sensitive to fires that burn fiercely, like chip-pan fires. Ionisation alarms will detect flaming fires before the smoke gets too thick.

• Optical alarms, these are more expensive, however are more effective at detecting slow burning fires, like smouldering foam-filled furniture or overheated wiring. Optical alarms are less likely to go off accidently and so are best for ground-floor hallways and for properties on one level.