Alarm System Service, Maintenance and Repairs
Do you have an existing burglar alarm system that you would like looked at, serviced or repaired? Maybe your alarm needs a new battery or other batteries/devices replacing or the keypad no longer works? Or maybe you're having decorating done or home improvements and the carpet fitter or builder has gone through a cable and you need an emergency call out or need a sensor or door contact removed or replaced. If there is anything needing doing to your burglar alarm system, you have come to the right place. If your system was installed by another company or you are unable to contact the original installer, that is not a problem - we are still fully able to service and maintain your burglar alarm system. There isnt many alarm systems that we do not know including Pyronix, Scantronic, Menvier, Visonic, Texecom, Veritas, Eaton, Cooper, Galaxy, Honeywell. We do not service DIY systems such as Ring and Yale. We can source parts and batteries for any system providing they are not obsolete. If you are unsure what the brand of system you have is, just email us a photo and we can identify it for you.
Here is a list of some of the most common calls we get:
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Alarm Battery Replacements / Low Battery
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Alarm System Maintenance
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Alarm faults
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Alarm System Bleeping
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Error Message on Alarm System
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Tamper on Alarm System
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Damaged Cable on Alarm System
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Faulty Sensor on Alarm System
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Keypad Buttons Not Working
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Movement Sensor Need Replacing
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Door Contact Need Replacing
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Engineer Reset
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Siren Removal (for rendering or decorating)
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Additional Sensors to be Added/Removed
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Alarm Siren Ringing
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Out of Hours Alarm Engineer
With over 30 years experience, we know most alarm systems - both old and new, inside out - so don't hesitate to get in contact. If you don't know the make or model of your system, just send us a photo of the alarm panel and we can identify it for you. Our email address is Sales@MyAlarmSecurity.co.uk. Our phone number is 020 8302 4065. You can also head to our Contact Us page and fill in your details and one of our team will get back to you ASAP.
We are based in New Eltham/Sidcup and cover a wide range of areas including Bexley, Dartford, Orpington, Bromley, Gravesend, Sevenoaks and surrounding areas.
We offer one-off and emergency call outs, services, alarm system maintenance and alarm system decomissions. Give us a call on 020 8302 4065 or send us an email through our contact form and our friendly team will be happy to help.
Contact Us for more information.
Customer Reviews
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Feb '26
Friday late afternoon my alarm started going off non stop inside and out after a very short power cut. Could not turn it off. Called Matt after getting no off of net mums it was in the evening and he came out straight away knew exactly what he was doing, checked all sensors etc and my alarm was fixed. I would 100 % recommend Matt and would not hesitate to call him again for any alarm problems or upgrades etc.
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Feb '26
Called Matt on the off chance as saw his advert didn't cover my area, but he agreed to visit when next in the area which was in a couple of days. He saw what the problem was, fixed it and gave me advice for future. Would definitely use him again, an all round good guy
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Jan '26
Alarm constantly beeping in hall and needed it to be disconnected from the mains. Phoned Matt Thursday morning and he said he would call that evening. Arrived at about 6pm, looked at the mains box in garage, disconnected power and job done. Firstly I was delighted he was able to call at short notice and fix my problem but also it was a delight to meet somebody who is good at what they do and does not try and rip you off when the job is done. A great big thank you to Matt and would thoroughly recommend him.
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Nov '25
Matt was very helpful, arrived on time, respected our home, carried out a quick siren battery replacement and then reset code that I had forgotten! All at a very competitive price. Would highly recommend.
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Aug '25
Matt arrived on time and with little prior notice. He was courteous and pleasant and checked and reprogrammed my 25 year old alarm system. It was obvious that he was very familiar with all sorts of Alarm systems. Well recommended.
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Jul '25
Very professional ,quick response time ,very helpful in answering questions i had, it was a pleasure doing business with Matt i would highly recommend him ,Thankyou
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Mar '25
Our two years experience with Matt and Rachel of MyAlarm Security is entirely positive. Matt is a highly professional, experienced and kind man who takes the trouble to explain in detail various aspects of his security system. We are very glad that we have chosen his company to take care of the security of our home. We would recommend Matt and his company to anyone wishing to have a reliable domestic security system. Thank you Matt and Rachel for your hard work!
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Mar '25
Matt came to fix a fault with my Mum's house alarm, and I can't recommend this company enough. It would have been easy for a company to come in and try to up-sell my elderly mum a new alarm system or take advantage, but Matt found and fixed the fault quickly, and also gave her some helpful tips on how to use the alarm properly (which we had been doing wrong for the last 18 years!) I was hesitant about getting a company in to look at the alarm, but I needn't have worried - I would 100% recommend this company, especially for those who are elderly or vulnerable. They are a family run business, and are both trustworthy and reliable. Thank you!
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Apr '23
Alarm stopped working after a power cut. Matt was punctual, identified the problem quickly and fixed it efficiently. I would recommend him.




