We’re a security company in Colchester, in the heart of Essex. We can help you with anything from CCTV Systems to Home Security and Replacement Locks. Lenz Security also offers services such as: School and Education Security, Access Control Systems, Commercial Security and more!

We cover Essex, surrounding home counties and London. Customer peace of mind is our teams’ number one priority. We will walk you through every stage of the process with complete transparency.

Our knowledge allows us to listen to your needs and deliver you a solution, perfect for you.

Contact Details

  Website
  City Colchester
  Postcode CO1 2FP
  Address 86 Lenz Close
  Phone Number 01206209275
  Tollfree 0800 955 1248

Products & Services

Burglar Alarm Systems

Our burglar alarm systems are designed to detect any potential intrusion. As a result, this sends an alert to you as soon as possible. Allowing you to take action quickly. Home security is serious stuff.

If you’re not sure what sort of system you need, contact us and we can provide a free no obligation quote on the best system for your needs.


CCTV Systems

Burglars are becoming more sophisticated. It’s more important than ever to take steps to prevent intrusion into your home or business. Thankfully, there has been modern advances in technology. These advances make it possible to create robust and intuitive systems. Systems that will keep your valuables safe.

We always strives to provide the highest level of security to protect what matters most to you. This is because the installation of CCTV systems is one of our specialties.


Moving Home

Are you moving home soon or have you recently moved? We offer security systems to suit any property ranging from Simple Burglar Alarms, through to Full HD Camera systems and much more in-between. We offer competitive pricing to suit any budget. Moving house can be one of the most stressful experiences in life. But, it’s also exciting. Let us take your new Homes Security off your plate and make it our top priority.


Access Control Systems

Our access control solutions enable you to control who has access to your property and rooms within. They offer very simple to use and versatile controls, so you can keep in control.


Commercial Security

No matter how big or small your property is, we have a bespoke design team ready to create an intelligent security solution that suits all your needs. We offer a range of security and fire safety for your business premises.

  • I would recommend this business

Lenz Security and in particular Andrew are the epitome of superb service, quality, value and excellence. The service was without doubt the most complete from start to finish. The quality of the equipment and the workmanship is second to none. The value and excellence of the installation with in-depth consultation, identifying our specific needs, without over selling, was a pleasure to experience and a welcome change to the usual pressurised selling you often feel. I only had 3 cctv cameras installed with all relevant record/playback equipment, Andrew was polite, efficient, clean, tidy, respectful of our property and a pleasure to deal with. My whole family enjoyed him being in our home and would trust him and his company implicitly. In conclusion, great service, great value, great company. If I can trust them, you can.

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  • I would recommend this business

Andrew fitted a house alarm for us and was always Very professional and reliable. He was Easy to discuss options with and has provided excellent after care service since fitting the alarm if we have had any teething issues. Would highly recommend him and would definitely use him in the future.

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  • I would recommend this business

I had a security system fitted by Lenz Security about 9 months ago. We had 3 companies quote us for this domestic installation; all seemed to be good quality systems but the Lenz system impressed us the most, not least because they seemed the most realistic.

We have not been disappointed. The installation was carried out smoothly and without requiring any remedial decoration. The system works as it should. We subsequently requested some modifications to the functioning of the system and these were implemented very quickly.

We recently had a problem with the internet here following a power cut. The response to our request was immediate and full functionality restored within 2 days. It would have been the next day but we were busy!

In short this is a most impressive company providing a quality system and outstanding support. I would recommend them to anyone requiring a burglar alarm.

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  • I would recommend this business

I recently had to ask Andy to look at my home CCTV. Andy was prompt, polite, friendly and professional. He stayed until I was completely happy with every aspect of the work. Thank you Andy for reassuring me and for fixing my problem.

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  • I would recommend this business

Totally professional, speedy, efficient, use best equipment in the business, nothing is too much trouble.
Totally customer centred, and firmly focussed on making your property as secure as is feasibly possible.
System really easy to operate, unlimited options, from very simple to complicated.
Can be controlled manually, or by phone from anywhere in the World.
Follow up service 1st class.
Price extremely reasonable, considering the quality of the equipment and service.

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  • I would recommend this business

Saved my life with an emergency visit before we were going on holiday and then returned to complete the annual maintenance and fit my new shiny bell box when we were back. Top class service both times, highly recommended!!

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  • I would recommend this business

After having a recent break in we decided to have cctv installed on our property. From start to finish Lenz Security have provided top quality service. The products used are of very high standard and the finish of the works completed is exceptional. Friendly, Polite & Extremely Reliable Service - We will definitely recommend to others!

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  • I would recommend this business

Just had an alarm and CCTV system installed by Lenz Security. Pleasure to deal with from start to finish.

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  • I would recommend this business

The engineer was so friendly and professional. The quote was fantastic and beat every other company I called

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  • I would recommend this business

Lenz securities turned up on time, clean turn out, vehicles smartly presented and extremely efficient engineers. The entire project was completed as we had been advised and they cleaned up when they finished. I would thoroughly recommend them.

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  • I would recommend this business

I had these guys come and change my old system. They were very informative and professional. I can now set my alarm from my phone any where in the world. The system is so easy to use would highly recommend

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  • I would recommend this business

Brilliant, friendly, highly professional service for all your home security & safety needs - highly recommended

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  • I would recommend this business

I got Lenz round to price up the works for me, very efficient and polite when they came to do the quote. The price was very competitive and the works didn't take hardly anytime at all. Very happy with the alarm and love the fact you have an app to enable and disable the alarm if you are out and about. Also calls you if you're alarm goes off! Can link up CCTV to the app as well. Would definitely recommend to anyone.

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  • I would recommend this business

Andy was one of three companies that quoted for the install of my home alarm system. Not only was the price highly competitive but also the time spent to plan out the system and understand how we live and wanted the alarm to work was what convinced me most.

The Alarm was installed as agreed and the post sales support has been amazing as we learned how to use it best and also our regular annual service. Andy and Lenz offer a fantastic high quality and value for money service that delivers everything we wanted it to.

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  • I would recommend this business

Did a fantastic job, turned up on time was professional efficient and very helpful, gave good advice, and has left us now with peace of mind. Highly recommend to anybody.

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  • I would recommend this business

Called Andrew as my cctv wasent working properly he came out within a few hours and all fixed... thank you

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  • I would recommend this business

I had an alarm system installed by Andrew. Any questions or queries i have since had had have been answered promptly. I have had several alterations made to my system and these have been done extremely quickly and sometimes on the weekend! I wouldn't hesitate in recommending Andrew.

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  • I would recommend this business

Andrew from Lenz security came to fit an alarm system for my Mother-In-Law. He told me what to expect prior to visiting, in terms of time required, costs, after care and generally anything to expect during the visit. Andrew turned up on time despite having to travel fairly far and he was courteous and professional, being sure to ask us before doing any alterations such as moving furniture or drilling holes and after fitting and testing, he thoroughly explained the setup and how to use it and even my technophobe Mum-in-Law (who has never even used email) grasped it after Andrew went through it and demonstrated.

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Customer Testimonials

I have had a very professional company instal a top of the range cctv system in my home. The process from start to finish was 1st class. The quotation point specific. The installation faultless and on time. The aftercare and support superb. The costs were competitive for the top of the range system I specified so would thoroughly recommend this company.


Great company and service.had 3 cctv cameras installed. Amazing sense of safety and security now.
LENZ security arrived at the time given promptly , explained everything that they were going to do and did. Had the tv installed with the cameras for viewing etc and they also set up my phone with the app.

Photo Book

Social Activity

Wishing all of our customers, suppliers, followers and friends a Prosperous Happy New Year. Look forward to seeing https://t.co/nHrZojdihW
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We would like to wish you all a Very Merry Christmas & a Happy New Year. No more installs or servicing, no more pa https://t.co/PDkF5Jc4kk
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@TexecomLtd @BellmontLtd Also, after turning off ATS monitoring, you still end up getting a COM2 fault appear which is another call...
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Perception Vs Reality @Deliveroo @DeliverooHelp @DeliverooDesign #kaspas #letDown #notWhatThePictureLookedLike https://t.co/qXykLsquGP
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@AmazonHelp Ok. I will call in the morning!
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@AmazonHelp I was assuming I would be filling out an online form submission. I think the issue is pretty clear from my original post
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@AmazonHelp There are no options for the the driver just dumped the delivery over the fence in the rain https://t.co/9EElDv0FZB
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@AmazonHelp Still not any better... https://t.co/2FiVUBVNBr
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From Our Website

The cost of home security systems vary depending on your needs and also your budget. All our security systems can be tailored so that you can get the best out of what you can afford. We offer a completely free, no obligation quote service so don't hesitate to contact us today. With the advances in technology today you can monitor your home security system from anywhere in the world, as long as you have a connection to the internet. Speak to us to find out more about our smart security systems. I had an alarm system installed by Lenz Security last year.


All of our networked access control systems allow you to stay in full control of users' access rights, from setting access time tables through to creating group policies that permit certain departments access to certain doors. All our systems can be managed and monitored on your smartphone, from anywhere in the world as long as you have an internet connection. Manage your systems on the go and on-site. Data charges may apply. For any queries relating to access control systems, Colchester based Lenz Security have the answers!


Providing a safe and secure environment for schools and education facilities can be a challenge with the restrictions on budgets today. Alongside this, considering the necessary regulations can be a difficult challenge. Here at Lenz Security we offer combined solutions that can help your facility meet it's needs. It is imperative that schools, colleges and even nurseries ensure the protection and safety of all their staff and students, we provide free, no obligation quotes so contact us today. Our Intruder Alarms are designed to detect and alert of an intrusion to help protect your assets.


Here at Lenz Security we offer a number of security services in the Chelmsford area. We specialise in smart security systems that you can monitor from your smartphone and a multitude of other residential and commercial security systems. We have a wealth of experience in the industry and offer complete security services in Chelmsford for your peace of mind. From design installation and maintenance we also have a 24/7 call out services for any issues you may have. At Lenz we offer Smart Security Systems in Chelmsford that you can monitor from your smartphone.