Intruder Alarm Systems
Protect your business with commercial-grade intruder detection systems. From Grade 2 insurance-compliant alarms to police-response systems, we deliver reliable intrusion protection.
24/7 SupportDetection Solutions
Comprehensive intruder alarm systems designed to detect, deter, and alert.
Grade 2 & 3 Systems
Insurance-compliant Grade 2 and Grade 3 alarm systems meeting the highest security standards.
Dual Path Monitoring
CSL DualCom and BT Redcare dual path monitoring for guaranteed signal transmission.
Police Response
Police response alarms with URN application assistance for rapid emergency response.
Perimeter Detection
External beam detectors and perimeter protection for early intruder warning.
Vibration Sensors
Vibration and shock sensors for safes, ATMs, and high-value asset protection.
Panic Buttons
Personal attack buttons and panic alarms for staff safety and rapid response.
Technical Specifications
Our intruder alarm systems meet the highest standards for commercial security, satisfying insurance requirements and police response criteria.
- Grade 2 and Grade 3 alarm systems (Insurance approved)
- Dual path monitoring (CSL DualCom / BT Redcare)
- Perimeter detection beams and sensors
- Wireless commercial intruder alarms
- Police response alarms (URN application)
- Vibration sensors for high-value assets
- Panic buttons and personal attack alarms
- Integration with CCTV verification
- PIR and dual-tech motion detectors
- Remote arm/disarm via app or keyfob
Trusted Security Brands
We install and maintain intruder alarms from manufacturers we know and trust.
Why Choose Affinity Fire & Security?
A close-knit South West team with 25+ years' industry experience, looking after buildings on our own doorstep.
Standards-Led Design
Every system designed, installed and commissioned to the relevant British Standard, with full documentation.
Clear, Honest Pricing
An itemised written price with no pushy sales and no hidden extras, plus commissioning and completion certificates on handover.
24/7 Support
Round-the-clock emergency response and monitoring services for your peace of mind.
The Same Friendly Faces
Highly trained, DBS-checked local engineers — the engineer who installs your system is the one who looks after it.
Get a Free Security Survey
Bells-only or police-monitored, home or business — we'll talk you through the honest options and give you a clear written price. No obligation, no pushy sales and no hidden extras.