Intruder alarm systems are a vital part of any comprehensive security strategy for commercial, public or organisational premises. Designed to detect unauthorised entry and alert you or monitoring services, these systems help protect people, property and assets from theft, vandalism and unauthorised access.

What Is an Intruder Alarm?

An intruder alarm system uses a network of detectors, sensors and a control panel to sense potential break-in activity — such as motion, entry through doors or windows — and trigger a response when a potential intrusion is detected.

Intruder alarms can be:

• Wired systems, where sensors are connected by cables to a central control panel — the most commonly used format for commercial premises.

• Wireless systems, which use radio communication between detectors and control panels — ideal where cabling is difficult or disruptive.

Both types are designed and installed based on your site’s specific security needs.

Why Invest in an Intruder Alarm?

A professionally installed intruder alarm helps you:

• Deter potential intruders — visible systems act as a strong deterrent against theft and vandalism.

• Protect people and assets — triggering alarm alerts can prompt rapid response from key holders or security teams and help safeguard staff, visitors and property.

• Integrate with other security systems — intruder alarms can work seamlessly with CCTV, access control and monitored services for layered protection.

• Demonstrate security due diligence — a professionally specified system supports insurance and compliance requirements.

Design, Installation & Monitoring

Before installing an intruder alarm, a site survey is carried out to assess your specific risks, define coverage zones and determine the ideal placement of detectors and control devices.

Once designed, our team provides:

• Professional installation of detectors, sensors, control panels and alert systems.

• System commissioning and testing, ensuring every component operates correctly.

• User training so your team can confidently arm/disarm the system.

You can also choose alarm monitoring services, where alarm events are transmitted to an Alarm Receiving Centre (ARC) that is staffed 24/7. The ARC can then notify key holders or initiate a security or police response as part of your agreed service plan.

Security Grades & Standards

In the UK, intruder alarms are designed in accordance with BS EN 50131 standards, which define security grades based on the level of protection required for different types of premises. These grades range from lower-risk residential environments to high-security commercial or critical-infrastructure sites.

Selecting the right grade helps ensure the system is suitable for your environment, supports insurance requirements and offers reliable performance against attempted intrusion.

Servicing & Maintenance

To keep your alarm system in reliable working order, regular servicing and preventative maintenance are essential:

• Annual servicing by a competent technician helps ensure detectors, control panels and sirens are functioning properly.

• Programme maintenance visits can identify and rectify faults before they impact performance.

Reliable maintenance plays a key role in helping your system perform when it matters most.