CCTV Home Security
North London, Watford, Barnet & Enfield

Third Eye Installation Systems Limited can provide a range of high quality security products and services for both the home and business. We strive to maintain the highest standards of design, installation and project management for security, electrical, and communication installations by providing training for our employees to perform their work safely and efficiently.

We offer a wide range of commercial and home security services to North London and Buckinghamshire (including Watford, Enfield and Barnet) which include:

  • Intruder and Fire Alarms
  • Perimeter Detection
  • CCTV Systems
  • Access Control
  • Maintenance of all Security Systems
  • Integrated Systems
  • Electrical Installations
  • Security Cameras and Lighting

If you would like more information about any of our commercial or home security services including CCTV, Alarms, Rail and underground security, then please call us on: 0800 0901 210 or fill out the online contact form.

Home Security

NSI Security

Third Eye’s residential and home security division includes everything from Security Cameras, Intruder Alarms, and CCTV to perimeter detection systems.Home Security

Commercial Security


Our commercial security services provide both small and large businesses with a complete security solution - from Intruder Alarms, CCTV, Access and Perimeter Detection, to multiple sites and integrated technologies. Commercial Security

Rail & Underground


Our personnel and management have over 75 years combined experience working on the railways, making us perfect for all rail and underground requirements.

Rail and Underground Security