Scores based on 174 reviews

Reliability & timekeeping

Invoice history based on 141 reviews.

Invoice History
Charged as per quote / estimate98.58%
Above quote / estimate: kept informed1.42%
Appointments reported as missed (6 months) 0
Average score 9.82
174 reviews
  • Interviewed by Checkatrade
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At NSSL we pride ourselves on an efficient, friendly and honest service striving to achieve 100% customer satisfaction. We have the knowledge and experience to provide a comprehensive security installation.
We have high standards and offer excellent value for money on every job that we complete, always maintaining a high standard of customer satisfaction, giving you complete peace of mind at all times.
Our CCTV systems come with up to 3 years warranty and our intruder alarms come with a minimum of two years warranty.
If you are looking for high end professional security systems or just peace of mind at home, NSSL has a solution for you.

NSSL is now a full member of NICEIC as a DOMESTIC INSTALLER. We can carry out all of our own electrical works on alarms/cctv etc including inspection and testing certificates. We can now take on small electrical jobs e.g. external garden sockets, security lighting, etc

*** NEW *** We are now a member of Gate Safe and can survey, maintain and repair your automated electric gates.

Call for a free, no obligation quotation.

Based in

Hartlepool, Durham, TS26 0SU

Works in

Billingham, Catterick, Durham, Hartlepool, Middlesbrough, Sedgefield, Stockton-On-Tees, Trimdons