Intruder Alarm Systems

Intruder Alarm Systems are a premier National Security Inspectorate (NSI) Gold company, providing both monitored and audible security solutions to domestic and commercial customers in Sheffield and Chesterfield. With over 25 years of experience in the installation, service, and repair of all types of alarm systems, we pride ourselves on being an independent company with a commitment to quality and customer service.

Our History

Formed in 1984 and gaining NSI approval in 1994, Intruder Alarm Systems have been at the forefront of the electronic security industry, working with leading manufacturers to develop the highest industry standards. Our team of experts has the expertise to design and install a wide range of security solutions tailored to meet the specific needs of our clients.

Our Commitment to Quality

As a NSI-approved company, we meet the highest industry standards for engineering, administration, and backup operations. Our engineers are security screened to BS7858, police and CRB checked, and are available 24/7 to respond to emergency callouts. We are confident that when you need us most, we will be with you straight away.

Our Services

We offer a comprehensive range of services, including maintenance, monitoring, and security system installation. Our fully installed wireless intruder alarm system package is fully operational within a matter of hours, providing a powerful visual deterrent to potential intruders. Our range of wireless devices, including passive infra-red detectors, door contacts, and smoke detectors, are designed to protect your home or business from the threat of intrusion.

Our Products

Our wireless infrastructure includes a control panel with two-way device control, digital communicator, and internal sounder. Our passive infra-red detectors provide wide coverage with a detection range of 12 metres x 85 degrees. Our door contacts are available in white or brown and include an on-board battery. Our vibration sensors are mounted on the frame of a window or external door to detect forced entry. Our fixed personal attack button provides peace of mind, while our smoke detectors are usually ceiling-mounted in the entrance hall and on landings leading to bedrooms.

Monitoring and Maintenance

Our digital communicator links to our Alarm Receiving Centre, which is continuously monitored. In the event of an alarm activation, we will contact your nominated keyholders. Our annual maintenance visit ensures that your system is effectively operating when you need it most. We will check all devices and replace all batteries, excluding digital setting devices.

Cost

Our keyholder-only monitoring package with one annual maintenance visit costs only 320 plus VAT. We offer a range of additional devices, including door contacts, vibration sensors, and smoke detectors, priced at 45-65 plus VAT.