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


come In Cheap Air Max 2011 Blue Mens Running To Choose Air Max 91 Black Mens Cheap Nike Air Max 2013 II NSW Online Sale. Do Not Hesitate To Purchase Classic Air Max 2013 Gray Purple Mens Do Not Hesitate To Purchase Classic Free Run 5.0 V2 Pink Gray Mens High Quality Nike Air Max 2013 Mens Is On Sale. Buy Nike Air Max 91 Black Yellow Get Original Air Max 90 Black White Mens Discount Sale Top Sale Of Air Max 2012 Purple Mens Big Discount Nike Air Max 95 DYN FW Mens Give You Different Feelings If You Leave Your Money. Cheapest Nike Air Max 2014 Mens It Is The Only Chance You Can Buy. Buy Nike Free Running A Pair Of Shoes Genuine Counter Fashionable Nike Air Max 2014 Mens Our New Free 3.0 V5 White Mens In Good Price Mens Nike Air Max 90 Black Running Big Discount! Thanks To Select Nike Free 2.0 Mens Don't Miss Mens Nike Air Max LTD 2 Red White Running