Communal entrance upgrade with a new aluminium door and intercom
Delta completed a communal entrance upgrade involving a new aluminium door, entry panel, control unit and handsets, with the panel and lock recorded as working.
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Security repairs.
Planned maintenance.
Across Northern Ireland.
Your local team for door entry, CCTV and access control repairs, maintenance and installation.
24/7 engineer cover available Planning a new installation?From a Delta customer
Read customer reviews ↗“The office staff were efficient and helpful, the engineers were friendly and professional, and the quality of workmanship was exceptional.”
See what we’ve put right.
Start with the problem.
From a single faulty door to the security systems across an estate. Find the help your building needs.
Door won’t close or lock?
Door repairs & automation · Repairs, servicing & installation
Can’t hear or let someone in?
Intercoms & door entry · Repairs, servicing & installation
Fobs or access readers failing?
Access control · Repairs, servicing & installation
Camera offline or picture lost?
CCTV systems · Repairs, servicing & installation
Damaged entrance door?
Aluminium doors · Repairs, servicing & installation
Need managed keyless access?
SALTO smart locks · Repairs, servicing & installation
Make maintenance part of the plan.
Talk to us about planned servicing for your doors, intercoms, access control and CCTV.
Years in Industry
Established in 1972
Years of Experience
Collective team expertise
Here for the fitting.
Here for the fixing.
Delta has been a family business since 1972. Based in Newtownabbey, we work with homeowners, housing associations and commercial clients across Northern Ireland.
Installation is only part of the job. We also look after the door that stops closing, the intercom that goes quiet and the systems that need regular attention.
More about response maintenance ↗Accredited & Certified
Fully accredited by industry-leading bodies.
Trusted by Leading Companies
Working in partnership with Northern Ireland's largest businesses.
5.0(8 reviews)
“Delta Security Systems NI Ltd recently installed a state-of-the-art access control and CCTV system at our business premises on the Lisburn Road. From start to finish, the entire process was seamless. The office staff were efficient and helpful, the engineers were friendly and professional, and the quality of workmanship was exceptional. I highly recommend Delta Security Systems to any business seeking top-tier installation and service.”
David Condliffe
50 weeks ago
“Delta Security Systems NI installed my CCTV and alarm system flawlessly. Professional, efficient, and friendly, they use top-notch tech and offer great customer service. Highly recommend—five stars!”
Right Left80
40 weeks ago
“Delta fitted security cameras at both front and back of my property along with an internal alarm system, they were professional efficient and courteous. Their staff were informative and friendly spending time ensuring I knew how to operate properly, have recommended them and would again. Thank you for making my home secure!”
Christina Wright
50 weeks ago
“Had Delta install an alarm system in my shop. Job done quickly leaving no mess and went through operating the system in a non tech jargon way. Top notch job.”
Stephen Holland
50 weeks ago
Let’s get it sorted.
Tell us what has stopped working, where the building is and how to reach you. For planned work, tell us which systems you need looked after.
Call Us
028 9049 1212Mon-Fri 08:30 - 16:30
Email Us
info@deltasecuritysystems.co.ukSend details of your enquiry
Northern Ireland🇬🇧
Delta Security Systems
Unit C22 Valley Business Centre
67 Church Road, Newtownabbey
BT36 7LS
Registered office - not a retail premises
Republic of Ireland🇮🇪
Delta Doors & Automation (IE) Ltd
77 Camden Street Lower
Dublin
D02 XE80
Registered office - not a retail premises
Hours
Office: Monday–Friday, 08:30–16:30
Tell us what you need
Tell us a little about the job. Our team will review your enquiry and contact you to discuss the next step.