At Third Eye Installation Systems, we specialise in commercial alarm systems installation for businesses across London. Whether you’re a shop owner, manage an office, or oversee large warehouse operations, we provide tailored alarm solutions that protect your premises, assets, and staff. With over 37 years of experience and NSI Gold accreditation, our business alarm systems are compliant with insurer requirements and built to meet the highest standards of reliability, performance, and compliance.

What Our Commercial Alarm Installations Include

  • Free, no-obligation quote and site survey to assess security needs.
  • Customised Grade 2 or Grade 3 alarm systems based on insurance and risk requirements.
  • Hardwired, wireless, or hybrid alarm installations based on your business infrastructure.
  • Fully integrated business alarm systems with optional CCTV, voice alarms, and remote monitoring.
  • Ongoing technical support and 24/7 emergency helpline.
  • 12-month maintenance contract available.

We recommend Grade 2 or Grade 3 commercial alarm systems—both are suitable for businesses and recommended by insurers. Here’s a quick breakdown:

  • Grade 1 – Not recommended. Easily tampered with and not insurance-approved.
  • Grade 2 – Standard for small to medium businesses. Difficult to bypass and provides tamper alerts.
  • Grade 3 – Designed for larger premises with multiple entry points or high-value assets. Monitored and resistant to sabotage.
  • Grade 4 – For high-risk environments such as banks, logistics centres, or data-sensitive facilities.

Types of Commercial Alarm Systems We Offer

  • Bells Only: Audible deterrent during an activation.
  • Bells with Phone App: Remotely control your system and receive push alerts to your device.
  • Bells with Text Messaging: Receive instant text alerts via a GSM module.
  • Monitored Alarms: Connected to our NSI Gold accredited Alarm Receiving Centre (ARC) for 24/7 monitoring.
  • Monitored with Police Response: Same as above, with police dispatch triggered upon two confirmed activations. App control optional.

 

 

Burglar alarms in Barnet

Why Choose Third Eye Installation Systems?

  • Over 37 years of experience securing commercial premises.
  • NSI Gold Accredited – meeting and exceeding industry standards.
  • Trusted by London businesses for reliable, compliant alarm installations.
  • Systems purchased outright – no hidden monthly fees.
  • Expert engineers who handle every step from consultation to installation.
  • Optional 12-month maintenance contracts after installation.
  • Fast response support via our 24/7 helpline.

Commercial Alarm System Installation FAQs

Grade 2 is standard for most businesses, but Grade 3 may be required for high-value goods or larger sites. We’ll help determine the right grade during your free survey.
Yes. We offer app-enabled systems and GSM modules for remote access and real-time notifications.
Absolutely. Our ARC monitors systems around the clock, every day of the year.
Yes, we can integrate your commercial alarm system with CCTV cameras, access control systems, and door intercoms for a fully connected security solution. This allows you to monitor and manage all aspects of your business security from a single platform, enhancing both protection and convenience.

Areas We Cover

At Third Eye Installation Systems, we proudly support businesses across North London and the surrounding areas. With over 37 years of experience, our expert team delivers bespoke commercial alarm systems tailored to each business type, size, and security requirement.

We regularly design, install, and maintain business alarm systems, CCTV networks, access control systems, and integrated commercial security solutions in areas including:

  • Barnet
  • Enfield
  • Finchley
  • Crouch End
  • Muswell Hill
  • Highgate
  • Hampstead
  • Islington
  • Chigwell
  • Hadley Wood

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