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Residential Intruder Alarm Systems
Protecting your Home Costs Less than You Think
If you’re considering investing in home security, prepare to be surprised. Because thanks to advances in alarm system technology, you can now protect your home with burglar alarms, perimeter alarms, residential CCTV and security devices from as little as £499.00!
But with so many alarm systems available, you need to be sure that you choose a security solution that is effective, reliable and offers good value for money. That’s where National Security Systems can help.
For over 14 years, we have been designing security systems for homes and businesses all over London. During that time, we have installed burglar alarms, perimeter alarms, CCTV and a wide range of security products in all types of home, from flats and houses to luxury apartments. And now you can benefit from our experience at no cost, thanks to our FREE no obligation residential security survey.
FREE Residential Security Survey
To help you choose the best alarm system for your property and budget, we are offering a FREE no obligation residential security survey. Simply get in touch with our friendly team, and we will arrange to visit your home at a time to suit you.
On the day of your home security survey, one of our security experts will visit your property perform a thorough check on your home, highlighting any areas that are vulnerable. Using this information, we can then provide you with a home security system that:
- Acts as a visual deterrent to criminals
- Sounds as soon as unauthorised entry is attempted
- Utilises proven technology, including motion sensors
- Notifies you via text message as soon as an alarm is triggered
- Has back up power and communications for extra reliability
- Offers exceptional value for money and can help to reduce your home insurance premiums
- Comes with FREE support. If you need help with your residential alarm system, we are just a phone call away.
So if you want to protect your London home with a security system that is reliable, effective and affordable, contact our friendly team now. We will be happy to arrange your FREE no obligation residential security survey and help you with any home security matters.

- "We have been very pleased with the professional input received from NSS on all
our time critical and security sensitive bank fit out projects across the country.
We have no hesitation in recommending them."
- Mitesh Vekaria, Vascroft Contractors - "I am writing on behalf of CRI to let you know how impressed I am with National
Security Systems for intruder and panic alarms, CCTV and access control systems."
- Ali Cannell, Crime Reduction Initiative - "we approached a lot of companies to do the security system but the level of support
offered by NSS was completely different.... You can call night and day and they
are always there"
- SUBWAY Franchisee Abiy - "Your engineers were very helpful and asked for my opinion and kept me informed
of what was what throughout the day. Very professional but I guess you wouldn't
have it any other way"
- S R - "It can be trying at times chasing contractors especially when you need answers
or results. But I know whenever I email or call NSS someone will be extremely helpful
in dealing with my request."
- Thalita John, The Harley Medical Group - "We have found their good workmanship doesn't just stop with their installation
teams it is supported with a friendly "nothing is a problem" attitude from the office.
With this in mind, on numerous occasions we have put National Security directly
in touch with our clients, who in a few instances have taken the time to call us
and comment on the great service they have received."
- T J Martin, Metre Squared Interiors Ltd - "We would only rely and trust security advice and products from National Security
Systems and would highly recommend them for any security needs"
- Longvalley Packaging Ltd








