Home Electrician services  - extra sockets, TV points, Power Showers, Rewiring & FuseboardsAlarms & Security Systems - Burglar & Fire Alarms, CCTV & Door Access Systems - PSA Licensed from Dermot Byrne, Limerick ElectriciansCommercial & Industrial Electrics - New electrical installations, electrical refitting & data cabling - Limerick ElectricansOutdoor, Garden and Security Lighting from Dermot Byrne Electricians in Limerick

Alarms & Security

Dermot Byrne Alarms & Electrical is based in Limerick and specialises in the installation and maintenance of fire alarms systems and security installations for domestic, commercial, industrial and public authority customers.

Door entry systems as installed by Dermot Byrne Alarms & Electrical, Limerick, Ireland
The alarm & security side of our business includes installation and maintenance of: Our client base and expertise covers all home, commercial and public sectors including:
Fire Detection & Alarm Systems installed in commercial, industrial and office premises by Dermot Byrne Alarms & Electrical, Limerick, Ireland

Fire & Smoke Alarms and Emergency Lighting

Fire Detection & Alarm Systems

We provide a wide range of Fire Detection and Alarm packages for all office, commercial & industrial premises. Our design engineers will devise a bespoke solution that is appropriate to your individual fire risk and environmental conditions and compliant with current health and safety legislation.

These solutions range from essential conventional stand-alone fire & smoke detection & alarm systems, suitable for smaller premises, through to fully integrated analogue addressable-networked systems for large integrated sites.

Landlord Services

According to Housing (Standards for Rented Houses) Regulations 2008 and the Housing (Standards for Rented Houses) (Amendment) Regulations 2009 Landlords must provide adequate alarm and means of escape facilities for tenants. In multi-unit buildings, the landlord must provide each flat / apartment with a mains-wired smoke alarm and emergency lighting in common areas. Dermot Byrne Alarms & Electrical is proficient in providing design, installation & maintenance services for both new builds and flat conversions / refurbishments.

Security Systems

Closed Circuit Television (CCTV) surveillance systems  installed in commercial, industrial and office premises by Dermot Byrne Alarms & Electrical, Limerick, Ireland


CCTV (Closed Circuit Television) allows you to view and record areas of your premises from a central location. We offer the latest in CCTV installations and digital video recording.

Contact us and we will call to your premises to assess the type, size and numbers of cameras and monitors required to provide effective security for your premises and provide you with a cost effective quote for your requirements.

Burglar /Intruder Alarms

An efficient burglar alarm system is crucial to ensuring adequate protection for your home or business.

Attempted domestic and business burglaries are increasing, year on year, by up to 14% in some areas, emphasising the importance of ensuring that your home or business is not the next target of a devastating burglary.

Burglar / intruder alarms protect your home or business so that you are free to sleep peacefully in the knowledge that your premises is secured.

Contact us for a quote for burglar alarm systems that will monitor your home or business 24/7.

Door Entry Systems / Intercom Systems

We install a wide range of best quality intercom systems, compliant with all current European Standards, suitable for houses, apartments, commercial & industrial premises.

Home Intercom Door Entry

We can design a system specifically for your domestic requirements. A voice / audio or video intercom door entry system can be an essential requirement for the elderly or vulnerable or to secure larger homes.

Offices, Flats & Industrial Premises

Our Door Entry systems range from simple two-way audible/video systems to multi-point wired or wireless intercom systems controlled by a computer network. Dermot Byrne Alarms & Electrical provides advice, designs, supplies and installs any size of door entry intercom system with efficiency and attention your specific requirements.


A maintenance contract covers you for a number of checks of your alarms and security systems during the year and 24-hour call out service. To avail of our alarm and security system maintenance options, please contact us for details.

Licensed by the Private Security Authority (PSA)

Doc Dob Ltd., trading as Dermot Byrne Alarms & Electrical is licensed under Sections 03A, 03B and 03C, Licence Number: 00020
Doc Dob Ltd. trading as Dermot Byrne Alarms & Electrical is licensed by the Private Security Authority as an Installer of Access Control, CCTV and Intruder Alarm equipment,

Please contact us to arrange a visit and quotation for your alarm and security system requirements

Dermot Byrne Alarms & Electrical
Doc Dob Ltd.
Company Reg. No.: 141223
16b Southville Gardens, Ballinacurra, Limerick
Tel: 061 301930
Mobile: 086 2579837
Email: docdobltd@gmail.com