Scores based on 55 reviews

Reliability & timekeeping
 
9.82
Tidiness
 
9.72
Courtesy
 
9.95
Workmanship
 
9.93

Invoice history based on 38 reviews.

 
 
 
Invoice History
Charged as per quote / estimate100%
Appointments reported as missed (6 months) 0
Average score 9.85
55 reviews
  • Interviewed by Checkatrade
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  • VAT registered
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Keeping a Secure EYE on Homes & Businesses in North London and the surrounding areas.
Third Eye Installation Systems was established in 2006 and since then has gone from strength to strength.  Our Managing Director has over 35 years' experience in the security industry and together with our dedicated team of Engineers - including his son - and very helpful office staff - including his wife - are proud to offer a high standard of design and installation of security systems.
As an NSI NACOSS Gold accredited company we can provide a range of high quality security products and services for your home and business.  Our Engineers attend regular training sessions and are security vetted and we strive to maintain the highest standards of design and installation security.  We aim to give customer satisfaction at all times.


We offer a wide range of commercial and home security services to North London which include:

  • Intruder Alarms - with monitoring and Police response if required
  • CCTV Systems - HD high quality
  • Access Control 
  • Door Intercoms - audio or video for your home or business
  • We maintain,upgrade and service all security systems

 If you would like further information about any of our security services for either your home or business, please call us on: 020 8368 1080 [email protected]  

Based in

London, N20 9BS

Works in

all North London and postcodes in N, and Hertfordshire and surrounding areas., Barnet, Cockfosters, Crouch End, Finchley, HA, Hampstead, Highgate, Muswell Hill, NW, Southgate, UB EN, Whetstone

Gallery 60 photos

Team photos

Mr Mark Formby

Managing Director