Designing a system in the UK means following the guidelines in BS 5839, the rules in BS 7671, the guidance by the local borough, any further requirements set by a risk assessment (if one was involved) and any requirements set by the insurance company involved.
They are all there to give you the most amount of warning if there's a fire or smoke in your home or business.
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We work in a professional manner, suited to the environment; When we are in a building site, we are more relaxed and just focused on getting the work done. In a premises that is occupied we take into consideration the occupants and try get the work done as unobtrusively as possible.
After the installation, we commission the system and provide the customer with the paperwork and certificates that are needed for it to be a complete job.

Fire alarms require regular testing. Your house alarms should be tested regularly by you pressing the button, and if you have a rented property it should be tested yearly by a professional. Grade A alarms need to be tested monthly by a designated person, bi-annually by a professional and a thorough yearly test by a professional. This is the best way to ensure that if the worst happens, your fire alarm will function correctly and give you that early warning.