Professional Burglar Alarm Systems

Reliable intruder detection systems tailored to your premises, risk level, and operational requirements, designed, installed, and maintained for commercial, public sector, and residential properties.

Speak to our team to arrange a professional security survey and discuss the right burglar alarm system for your property.  

Intelligent intruder detection you can rely on

A professionally designed burglar alarm system is one of the most effective deterrents against theft, vandalism, and unauthorised access.


At Defend & Protect, we design and install robust intruder alarm systems for commercial premises, public buildings, and private homes. Every system is tailored to the layout, risk profile, and usage of the property — ensuring effective coverage without unnecessary complexity.

Dependable systems built for long-term performance

Whether protecting a single property or a multi-site business operation, we provide dependable systems built for long-term performance.

24/7 remote monitoring services by Fenix Monitoring

Fenix Monitoring is an approved Alarm Receiving Centre (ARC), providing 24/7, 365-day remote monitoring services for CCTV systems, intruder alarms, fire alarms and lone worker solutions. Operating from an NSI Gold accredited secure operations centre, Fenix Monitoring supports installers and end users with professional, compliant monitoring services designed to deliver fast response times and dependable support.

Commercial Alarm Systems

From offices and warehouses to schools and public buildings, we deliver alarm systems that support both security and operational continuity. We understand the operational demands placed on commercial and public sector environments. Our systems are designed to:

Professional-Grade Protection for Homes

Your home deserves more than a basic off-the-shelf system — it deserves properly designed protection. We apply the same professional standards used in commercial installations to residential properties.

System Features

All systems are installed to current industry standards and configured to suit the specific risks of your property. Our Burglar Alarm Systems Include:

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Wired and hybrid systems

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Motion detection and perimeter protection

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External sounders and visual deterrents

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Remote monitoring options

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Integration with CCTV and access control

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Central station monitoring

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Door and window sensors

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Police response (subject to compliance requirements)

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Ongoing Protection & Support

A burglar alarm system is only effective if it is maintained properly. Our maintenance packages ensure your system remains compliant, operational, and ready when needed. We offer:

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Planned maintenance contracts

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System health checks and testing

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Fault response and repairs

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24/7 central station monitoring

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Police response services (where applicable)

What our clients say…

  • What types of burglar alarm systems do you install?

    We install wired, wireless and hybrid intruder alarm systems with motion detection, perimeter protection, external sounders and visual deterrents, door and window sensors, and remote monitoring options. Systems can also integrate with your CCTV and access control.

  • Do you install burglar alarms for homes in Cheltenham and Gloucester as well as businesses?

    Yes. We design and install intruder alarm systems for commercial premises, public buildings, and private homes in Cheltenham and Gloucester, applying the same professional standards to residential installations as we do to commercial ones.

  • How do I know what type of burglar alarm system I need?

    Every system is tailored to the layout, risk profile, and usage of the property. We recommend a professional security survey so we can assess your premises and recommend the right combination of detection, sounders, and monitoring for your needs.

  • What's involved in maintaining a burglar alarm system?

    Ongoing maintenance includes planned maintenance contracts, system health checks and testing, fault response and repairs, and 24/7 central station monitoring. Proper maintenance keeps the system compliant, operational, and ready when needed.

  • Do you install burglar alarms for multi-site businesses?

    Yes. Whether you're protecting a single property or a multi-site business operation, we design dependable systems built for long-term performance across all your locations.