Intruder Alarms for Homes and Businesses

We design, install, and maintain intruder alarm systems tailored to your needs. Whether you need protection for your home or business, our wireless and wired alarms can include panic alerts, smoke and leak detection, smart home integration, and 24/7 remote monitoring, keeping you informed wherever you are.
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Intruder Alarm Installation, Maintenance and Upgrades

We offer maintenance contracts, remote monitoring, takeover of existing systems, and provide modifications, upgrades and new systems. Our team of security consultants are on hand to give you all the help and advice you need to secure your business, home, and assets. All our systems are installed by NSI-approved engineers. We design each alarm around the building layout, risk profile, and insurance requirements. If you want a detailed overview of how the process works, you can read our intruder alarm installation guide.

Domestic: Wireless alarms with smart home integration, app alerts, and quick installation.
Commercial: Wired alarms with maintenance contracts, integration with CCTV or access control, and scalable solutions for larger sites.

What are the benefits of Intruder Alarm Systems

Peace of Mind
With app-based monitoring and real-time alerts, you’ll know your property is safe, even when you’re away.
Integrated Security
Our systems can connect with CCTV and other security systems to provide a comprehensive approach to safety.
Early Detection
Perimeter sensors, motion detectors, and alarm triggers give advanced warning before intruders enter your premises.
Visible Deterrent
An active alarm serves as a clear warning to would-be intruders.

Discover Our Intruder Alarm Solutions

Wireless Alarm Systems
Ideal for domestic properties or leased spaces. Quick to install and less intrusive, wireless systems offer advanced features with minimal disruption.
Sensor types: PIR motion detectors, door/window contacts, and dual‑tech sensors.
Control panels: Intuitive touchscreen or keyfob options.
Communication: Mobile app alerts via IP, GSM, or dual-path systems.
Alarm grading: Systems available in Grades 2 and 3, suitable for domestic and commercial sites.
Monitoring: Fully compatible with 24/7 remote monitoring.
Wired Alarm Systems
We provide commercial intruder alarm installation for offices, warehouses, retail sites, and industrial facilities.
Sensor types: PIR, door/window contacts, and integrated perimeter detectors.
Control panels: Centralised control with optional keypad or touchscreen interfaces.
Communication: IP or dual-path connections for reliable alert delivery.
Alarm grading: Grades 2, 3, and 4 available for higher-risk commercial environments.
Monitoring: Seamless integration with our monitoring centre, and can be configured for police response, subject to police URN requirements.
Perimeter Security Enhancements
Add-ons to increase protection for both homes and commercial sites:
Built-in cameras for motion verification
Panic buttons for immediate alerts
Early detection sensors
Compatible with both wired and wireless systems

Request a quote for your Intruder Alarm Solution

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Locations we cover

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Intruder Alarm FAQs

Most systems should be serviced annually. Monitored systems often require more frequent checks to meet industry and insurer requirements.

Yes. Intruder alarms can integrate with CCTV and access control to create a unified security system, enabling features such as video verification when an alarm is triggered.

Businesses typically require wired or hybrid monitored systems for reliability and insurance compliance. Higher-risk environments may need graded systems for enhanced protection and police response capability.

Costs depend on property size and system complexity. Domestic systems typically range from basic alarms to fully monitored smart systems, while commercial installations are bespoke and quoted following a site assessment.

Monitored alarms provide a guaranteed response by alerting a 24/7 monitoring centre when triggered. They can contact keyholders or emergency services, even if you are unavailable.

Wired alarms use cables and are suited to larger commercial sites or new builds. Wireless alarms use radio signals and are quicker to install with minimal disruption. Perimeter security detects intruders before entry using sensors on fences, gates, or building exteriors.

An intruder alarm uses a control panel connected to sensors on doors, windows, and rooms. When triggered, the system activates a siren and can send alerts to your phone or a monitoring centre for response.

All modern intruder alarms come with app based monitoring as standard that will send an alert to your mobile in the event of an incident.

If you take out a monitoring package with your alarm then it will notify the monitoring station who operate on a 24/7 basis.

Costs can vary greatly depending on the size of the system required, speak to one of our experts who will be able to advise you after learning the requirements of your system.

An intruder alarm can be installed in as a little as a few hours depending on your requirements.

If your intruder alarm is triggered, the bell will sound and depending on your setup may notify your mobile phone or the monitoring station who will call the police.

An intruder alarm system detects intruders within a premises when the alarms is set.