Access Control Systems Northern Ireland
Advanced Overwatch installs and maintains access control systems for businesses and organisations across Northern Ireland. Whether you need a single door reader for a small office or a multi-site integrated system managing hundreds of credentials, our SSAIB-certified engineers design solutions around your building, your workflow, and your security requirements.
We work with leading access control brands including Paxton, Abloy, iLOQ and AJAX — and as key integrators with these manufacturers, we can source, configure and support the equipment our customers need without compromise.
Get a free site survey: call 028 7087 8077 or request a survey online.
What Is Access Control?
Access control is any system that governs who can enter or exit a space, when, and under what conditions. It replaces or supplements traditional keys with electronic credentials — cards, fobs, PINs, mobile devices, or biometrics — giving you a complete audit trail of every access event.
For businesses in Northern Ireland, access control delivers three things a physical key never can:
- Instant revocation — lost key? Cancel the credential immediately, no lock change needed.
- Time-based permissions — staff can access relevant areas only during their shift.
- Audit trail — a timestamped record of who entered where and when, useful for HR, insurance, and compliance purposes.
Access Control Solutions We Install
Door Entry and Reader Systems
The most common form of access control: a reader on the door, a credential on the user, a controller making the decision. We install proximity card readers, fob readers, PIN pads, and combined readers across single and multi-door configurations.
Popular for offices, warehouses, schools, healthcare facilities, and any building where you need controlled entry without a manned reception.
Paxton Access Control
Paxton is one of the UK and Ireland’s most widely installed access control brands, and Advanced Overwatch is an experienced Paxton installer across Northern Ireland. The Paxton Net2 range offers scalable systems from a single door to enterprise-wide installations with reporting, time and attendance, and visitor management.
Paxton’s Switch2 platform suits smaller premises that need straightforward, reliable access control without complexity.
Abloy and iLOQ — High-Security Locking
For businesses where physical key security is paramount, Abloy and iLOQ offer cylinder-based mechatronic access control that combines the strength of a mechanical lock with the convenience of electronic access management.
As a key integrator for both Abloy and iLOQ in Ireland, Advanced Overwatch installs these systems in environments where standard card access is not sufficient — vaults, server rooms, pharmaceutical stores, critical infrastructure, and high-value retail.
iLOQ is particularly suited to large key estates: its self-powered cylinders require no wiring or battery replacement, making it ideal for buildings where cable installation is impractical.
AJAX Access Control
AJAX Systems — best known for their wireless intruder alarm range — now offer a powerful access control module that integrates directly with their security hub. For buildings already running AJAX alarms, this provides a unified security platform: arm the alarm and lock the building with a single action.
Advanced Overwatch installs AJAX access control as both standalone solutions and as part of fully integrated AJAX security systems.
Intercom and Video Door Entry
Before access control comes identification. We install intercom and video door entry systems — audio-only, colour video, and IP-based — that allow your reception, security desk, or any authorised user to verify a visitor before granting entry.
Video door entry integrates with access control to create a complete front-of-house security layer: see, verify, and release from anywhere in the building, or remotely via smartphone.
Car Park Barriers and Gate Automation
External access is as important as internal. We install automatic barriers, rising arm gates, and electric swing and sliding gates with access control integration — ANPR (automatic number plate recognition), proximity cards, or remote release.
Common applications include staff car parks, delivery yards, apartment complexes, and retail sites.
Lift Access Control
Restricting elevator access to authorised floors is often overlooked but essential in multi-tenancy buildings, hotels, and healthcare facilities. We integrate lift access control with your existing reader system so that a single credential handles both floor-level and lift access.
Integration with CCTV and Intruder Alarms
Standalone access control works. Integrated access control works better.
When your access control system shares a platform with your CCTV and intruder alarm, you get:
- Video linked to access events — see exactly who badged in at a specific door at a specific time, with the camera footage linked automatically
- Alarm on forced entry or door-held-open — the system detects a door opened without a valid credential and triggers an alert
- Single management platform — one interface for all your security data, rather than three separate systems with no communication between them
Advanced Overwatch designs and installs integrated security systems as a core specialism. We do not treat access control as an afterthought — it is part of a coherent security strategy from the outset.
Who We Install Access Control For
Commercial offices — from a single entry door to multi-floor, multi-building estates. We work with small businesses through to large corporate sites.
Retail — controlled staff access to stockrooms, cash offices, and back-of-house areas. Prevents shrinkage and creates an audit trail without disrupting customer flow.
Schools and educational facilities — safeguarding-compliant access control that limits visitor access to controlled entry points and records all site movements.
Healthcare and care homes — COSHH store access, medication room control, and wander prevention systems that meet the specific requirements of the Care Inspectorate and healthcare regulation in Northern Ireland.
Manufacturing and industrial — access to hazardous areas, plant rooms, and controlled zones. Time-based access tied to shift patterns.
Hospitality and licensed premises — staff access to service areas, cash handling rooms, and storage with a full audit trail for compliance.
Apartment complexes and social housing — main entrance control, car park management, and remote release for residents.
Why Choose Advanced Overwatch for Access Control?
SSAIB Certified (NIRE127) — our certification covers CCTV, intruder alarms, and access control. This is not a marketing badge; it means our installation standards are independently audited and verified.
Free site survey — we survey every site before specifying a system. No online quote generators, no assumptions. We walk your building, understand your workflow, and design accordingly.
Four ISO certifications — ISO 9001 (Quality), ISO 14001 (Environmental), ISO 27001 (Information Security), and ISO 45001 (Health and Safety). These underpin how we work, not just what we install.
Key integrator status — with Paxton, Abloy, iLOQ, and AJAX, we have direct manufacturer relationships, technical support lines, and training that independent installers cannot access.
24/7 engineering support — access control faults do not happen at convenient times. Our engineers are on call around the clock.
NI-based, since 2017 — we are a Northern Ireland company with offices in Coleraine, Derry, Belfast, Magherafelt, and Omagh. We are not a national chain dispatching engineers from outside NI.
Frequently Asked Questions
How much does access control cost in Northern Ireland? Access control system cost varies based on the number of doors, credential type, and whether integration with CCTV or alarms is required. A single-door Paxton system for a small office typically starts from around £800 including installation. Multi-door and enterprise systems are quoted after a free site survey. We do not quote without seeing the building first.
Can access control be retrofitted to existing doors? Yes. Most modern access control systems can be installed on existing door frames without structural alterations. Where new door closers or strikes are required, we include these as part of the installation. We advise on this during the free survey.
What happens if the power goes out? All access control systems we install include a fail-safe mode. Depending on your security requirements, doors can be configured to fail open (so occupants can always exit safely — important for fire regulations) or fail locked (for high-security areas where no access should be possible without power). Battery backup and UPS options are available for critical applications.
Is access control covered under SSAIB certification? Yes. Advanced Overwatch’s SSAIB certification (NIRE127) specifically covers access control alongside CCTV and intruder alarms. This means our access control installations are subject to the same independent audit standard as our other security work.
Can I manage the system myself? Yes. Paxton Net2 and Switch2 both have user-friendly management interfaces that allow you to add or remove credentials, run reports, and configure time zones without engineering involvement. We provide training as part of every installation. For hardware faults or configuration changes beyond user access, our engineers are available.
Get a Free Access Control Survey
Ready to take control of who goes where in your building?
Advanced Overwatch provides free site surveys for access control installations across Northern Ireland. Our engineers will assess your site, understand your security requirements, and provide a written proposal with no obligation.
Call us: 028 7087 8077 Email: info@advancedoverwatch.com Request a survey: advancedoverwatch.com/quote
Regional offices: – Coleraine: 028 7087 8077 – Derry/Londonderry: 028 7187 8123 – Belfast: 028 9099 3566 – Magherafelt: 028 7966 8330 – Omagh: 028 8288 8166
Advanced Overwatch Limited. SSAIB Certified — NIRE127. ISO 9001, 14001, 27001, 45001. Established 2017.

