Intruder Alarm systems2023-05-16T11:14:52+01:00

Intruder Alarm systems

Approved Intruder Alarm specialists.

We’re experts in the installation, maintenance and repair and monitoring of intruder alarm systems, helping you get the right security advice.

Access control systems company

For further information, call us today on: 029 21252 424

5 Star access control company

“Absolutely superb!” – Esther James

5 Star access control company

“Extremely professional.” – Ceri Makan

5 Star access control company

“Very professional.” – Danielle Robinson

Intruder alarm systems

If you are a business owner then keeping your property, staff and visitors safe is a responsibility you must taking seriously, with protecting your business against intruders and thieves boasting various advantages to you and the team. From ensuring staff members feel at ease and protected to keeping stock, equipment and sensitive information from being accessed; the list of benefits goes on.

One way many businesses are safeguarding their offices and equipment is through the installation of Intruder Alarms, with smart systems reducing thefts and intrusions on commercial properties by a huge 90%.

Access control with smart watch
Access control with video door entry integration

Advantages of installing an intruder alarm.

From upgrading old systems to installations of new alarms, we have over 20 years worth of experience in this field. Being Cardiff’s go-to security company for Intruder Alarm installation, we enjoy working with various sized businesses from a range of industries and sectors, providing bespoke alarm systems that meet the highest standards and performance criteria.

We work with every brand and type of Alarm system

At Twenty4 we have vast experience with all types and brands of system, so your in the right place if your looking for either a new Alarm system or need to repair your existing system.

Access control


Audio only Alarms

A simple cost effective solution for securing your property.

Access control


Wired alarms

From small shops to schools and vast industrial sites, a wired alarm system is both reliable and cost effective.

Access control


Wireless alarms

No hassle or fuss, our wireless Alarm system is suitable for any type and size of property.

Access control


Monitored alarms

Never miss an activation, your alarm system will be directly connected to our 24/7 manned alarm receiving centre.

Access control


Police responce

Let the police catch the intruder in the act. A system connected to your local police station can be the ultimate security system.

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Why Twenty4?



With years of experience in the security industry, we have worked with all types of intruder alarm systems, so with vast experience we are able to select great quality, reliable and cost effective intruder alarm products. Combine this with excellent customer service and professional installation we have thousands of happy customer. Check out our 250 5 star google reviews.

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Our team is made up of qualified experience experts. All our staff are security screened to the highest level and we have achieved external accreditation from SSAIB, a highly regarded merit within the security industry. We hold SSAIB certification for design, installation, maintenance and monitoring of intruder alarm systems.

Access control company accreditations


Intruder alarm system Design specialists

With hundreds of security products on the market, it can be a mine field choosing the right system for your premises. Our intruder alarm surveyors are highly experience in all types of properties and have a wealth of knowledge of all the systems on the market new and old. You can be sure that our specialists will design a cost effective reliable intruder alarm system, whatever you require.



Intruder alarm Installation

Installation of your new system vary from site to site. From a simple wireless alarm system suited to a small shop or office to a large networked system covering many buildings across a number of sites. Our engineers are both qualified and experienced to work on any type of property and system.



Intruder alarm Maintenance

If you have an alarm system, it must be serviced, to ensure your system works efficiently during its lifespan. For audible only systems, your system should be serviced annually to test the batteries, audible and detection devices.

For Monitored and police response systems you will require a 6 monthly service, to ensure your system signals to the ARC correctly.

From time to time a fault, or false alarm may occur, our engineers are on hand 24/7 to provide you with expert assistance within 4 hours of your call.



Leasing your intruder alarm system

Although we offer extremely cost effective solutions for Security systems, we know it’s not likely going to be top of your priorities fro you budget. Because of this we office leasing packages for all our security systems to ensure you not only get the system you need but at an affordable monthly cost.



Specialists in all electronic security systems

Securing you business or property, is important and there are many ways you can improve your security. We specialise in all types of security systems such as access control,, CCTV system, intercom system and many more. If you would like a free security survey for your property, get in touch now to speak to an expert.

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Emergency support 029 21 252 424

Get a quote for an intruder alarmGet a quote

Frequently asked questions

Who will install my intruder alarm?2022-09-22T16:03:44+01:00

When using Twenty4 Fire and Security for your intruder alarm installation, you will be supplied with an experienced, qualified engineer that has been fully trained and security screened. They will install and talk you through your device in a professional, prompt manner, ensuring everything is in full working order before leaving the property. Also, if you do have any questions following the installation, you can always contact the office and have your query answered instantly.

What does intruder alarm maintenance involve?2022-09-22T16:05:55+01:00

A typical intruder alarm maintenance visit will include the following tasks:

  • A discussion surrounding any issues experienced with your intruder alarm.
  • An inspection of all parts for any signs of damage.
  • A full check of the condition of the device including signs of problems, water damage, dust, dirt and so on.
  • Sounding the alarm.
  • Any necessary cleaning.
  • A test to ensure all sensors are operational.
  • And much more

Please note that all health checks will be completed by a competent, highly-trained engineer within the business.

How do I get a quote for intruder alarm installation?2022-09-22T16:07:30+01:00

If you are considering having an intruder alarm system installed at your business premises, the team would be more than happy to talk you through your options. From answering any questions you may have to providing a free, no-obligation quote, our sales advisors are ready and waiting to assist.

What is an intruder alarm?2022-09-22T16:08:51+01:00

An intruder alarm is a device that detects unwanted intruders in a property or area, designed to ensure property owners and occupants keep their property safe. If an unwanted intruder does enter, the alarm will be sounded, alerting the property owners and the emergency services immediately.

Do I legally have to have intruder alarms?2022-09-22T16:10:18+01:00

There are no strict laws in place to say a business has to have an intruder alarm installed. However, if you are a business owner then keeping your property, staff and visitors safe is a responsibility you must take seriously, with protecting your business against intruders and thieves boasting various advantages to you and the team. From ensuring staff members feel at ease and protected to keeping stock, equipment and sensitive information from being accessed; the list of benefits goes on.

Other than intruder alarms, what other security service do Twenty4 offer?2022-09-22T16:12:34+01:00

Although Intruder alarm systems are a popular service provided by our firm, it is just one of the many security products we offer our customers. When connecting with our team, we can also discuss our CCTV cameras, access control systems, intercom systems, electric gates, electric barriers and the many other services.

Have a question about Intruder alarms?

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Checkout the latest security  news brought to you by Twenty4

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