Intercoms Northern Ireland 02890491212 email.

Intercoms Northern Ireland since 1972.Delta Security Systems are a family run business and have been installing, repairing and maintaining Intercoms/Door Entry Systems for over 47 years. We are an approved body of the security system inspection board ,construction line registered, 3rd party accredited for safety management  and all operatives are CSR registered. All our installations will have a security system certification behind them and will be completed to the highest standard. 

June News. DIY SOS big build. Delta are very proud to have helped a local family by donating the supply and installation of two door entry systems.

Our response maintenance Intercom team also carry out daily repairs to your commercial or domestic door entry system. Call today on 02890491212 today and book your appointment with our friendly admin team and we will schedule you an appointment and prioritise the call to 4 hour response, 24 hour emergency or 4 day urgent.  or email

Intercoms,We Specialise in
Audio,Video, Mobile phone, GSM,Wireless, IP Network Systems, Cordless  Telephone Systems.

We specialise in Apartment block management for servicing and maintaining your Intercom Systems as well as  providing installations and repairs daily. Our stock is on a huge scale and we can carry out a repair that day or within 24 hours as our engineers are strategically positioned to cover Intercom repairs in Northern Ireland. Our other main clients are Decathlon Belfast, Harley Davidson, Chain Reaction Cycles, Carrick Rangers, Social healthcare trust, CSM, sensory support and 20 plus facility management companies.


Approved installer Intercoms Northern Ireland provide controlled and secure admission for visitors. Our systems are designed to give security while retaining convenient access, our door entry systems help control the authorised access to your property whilst giving extra safety and security. We can offer a wide range of Intercoms to suit your requirements. Anything from a simple one way Intercom audio only system to a large Intercom business concierge system. Delta Communications Security Systems  have been installing Intercoms in Belfast/Northern Ireland since 1972 and are continuously at the forefront of technology. Email and he will be happy to provide further information on your exact Intercom requirements. 

 Latest in technology. It is an Internet protocol intercom system which allows the user to access their system from a smart phone/tablet device and view plus communicate from anywhere in the world and grant access to a visitor without actually having to be in the property or business.

Intercom prices start at £120

Delta Security Systems. Our systems are installed to the highest standards to meet the strict specifications of the security systems inspection board.


Approved Installers Of Intercoms Northern Ireland, Bell Systems, BPT, Comelit, Elvox, Fermax, Hik vision and many more. 

Intercoms Northern Ireland

Door Entry Systems since 1972

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