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Lenz Security 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.
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Services
Burglar Alarm Systems
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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.
Moving Home
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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
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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.
CCTV Systems
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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.
Commercial Security
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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.
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Reviews (30)
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Dan Woodruff
Mar 30, 2022
Lenz security recently took over the management of our home alarm system. They improved on the current set up, adding additional sensors, which were not covered by the original installation. In addition, they consulted on and installed a CCTV system. All of this was connected to secure apps so we can access and control the system from anywhere. Their approach and communication has been excellent throughout the process.

We felt sure that they were knowledgeable, and attentive to our requests, explaining everything we needed to know. There installation went smoothly, and was free of mess. The new cameras and sensors are discrete. What's better is that they installed the additional features for less money, with more equipment than the original company offered. Their ongoing support package is significantly cheaper than the original company. Overall, a great service from a local company.
Sally Langley
Feb 28, 2022
Extremely professional service at an affordable price. Andrew & Charlie are both very helpful & efficient. Nothing is too much trouble! They leave no mess & I have absolute faith in what they do. Would highly recommend to anyone.
Phil Page
Nov 28, 2021
Lenz security installed a system in our new build house. Andrew gave clear and well-explained advice about what would be appropriate, considering our lifestyle and family arrangements in his guidance. He took time to explain how to manage the system, and even came back to tweak the settings when asked. Polite, professional and helpful, I would happily recommend this company.

Great service. Since being installed, I have been equally impressed by Andrew's aftercare, which has proven even better than his excellent initial service. On a couple of occasions I have contacted Andrew with small queries, all of which have been answered almost immediately, no matter what the time of day or night. Lenz Security should be rightly proud of its 24 hour service.
Carol-Anne Frogley
Mar 10, 2021
Brilliant service, Andrew was so helpful offering advice and follow up support. They are local which was important to me to support local firms. Would highly recommend Lenz Security. Services: Installation, Technical support
Simone Russell
Jan 09, 2021
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.
Carl Martin
Jan 03, 2021
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.
Simone Russell
Dec 12, 2020
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.
Carl Martin
Aug 11, 2020
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.
Kirk Cross
May 18, 2020
Andrew has been very professional throughout and has communicated well whilst we struggled through the pandemic. The aftercare is commendable, the company is definitely one I would recommend in the future. I know I can always rely on Andrew if there is an issue. Viva Guest House Clacton on Sea
Isabelle Williams-North
Jan 02, 2020
Lenz have provided us with servicing for our alarm over the past year and has been very responsive when we needed help and has provided the best quality care. We are now having CCTV fitted by Lenz as they have provided us with a very reasonable quote and we look toward to having the system up and running. I would highly recommend them.
Ian H.
Aug 08, 2019
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.
Stuart Bull
Apr 12, 2019
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.
Mark Nuth
Apr 08, 2019
The service from start to finish has been outstanding. We received a free quote with no pressure to proceed. Once we went ahead with the works they were completed quickly and professionally and our property was left immaculate upon completion. We had a full CCTV and Alarm system installed and will add further products in the future. After the works were completed we had other works at the property completed and Lenz have been more than helpful, visiting us to disconnect and reconnect the system on two occasions and providing support when needed. Would not hesitate to recommend Lenz Security!
Stuart Bull
Jan 18, 2019
I contacted Andy regarding my home CCTV system. He was polite, friendly and professional. He stayed until I was completely happy with all aspects and I know I can call/text him if I ever need him again. I can highly recommend this company to anyone.
John W.
Nov 10, 2018
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.
Paul Turner
Sep 15, 2018
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!!
Stephanie Low
Aug 24, 2018
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!
Mark Nuth
Jul 17, 2018
Just had an alarm and CCTV system installed by Lenz Security. Pleasure to deal with from start to finish.
Mark Anthony
Mar 01, 2018
The engineer was so friendly and professional. The quote was fantastic and beat every other company I called
Keith L.
Nov 11, 2017
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.
Simon W.
Oct 15, 2017
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
Anna Skilton
Sep 17, 2017
Brilliant, friendly, highly professional service for all your home security & safety needs - highly recommended
Bradley W.
Sep 04, 2017
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.
Lloyd M.
Aug 31, 2017
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.
Nicky Sullivan
May 07, 2017
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.
Tina Haydon
Apr 10, 2017
Called Andrew as my cctv wasent working properly he came out within a few hours and all fixed... thank you
Rachel Parker
Dec 13, 2016
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.
Ashley Keshodia
Oct 08, 2016
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.
Nikki
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.
Terry Carr
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.