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Intruder Alarms — Expert Guide

Panic Alarms for Business: Types, Rules and What to Install

By the DC Fire & Security engineering team — installing and maintaining fire and security systems since 2010. Updated June 2026.

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Quick answer

A panic (hold-up) alarm signals a deliberate emergency — robbery, threat, violence — silently to an ARC for priority response, without sounding on site. Options: fixed buttons at tills/receptions, wireless pendants/fobs for mobile staff, and app/lone-worker devices beyond the building. Police treat confirmed hold-up activations as priority; false activations are policed hard. Cost: £150–£500 added to a monitored system.

The forms it takes

  • Fixed buttons: under counters/desks at tills, receptions, consulting rooms — double-push or dual-button designs to kill accidental activations
  • Wireless pendants/fobs: staff who move — warehouse offices, showrooms, late-shift supervisors; panel-paired with supervision like any graded device
  • Keypad duress codes: entering a specific code disarms normally while silently signalling coercion — niche but powerful for forced-entry-on-opening scenarios
  • Lone-worker apps/devices: GPS-located SOS with ARC response for staff off-premises (agents, carers, engineers) — a service layer beyond the building's alarm
  • All route as silent hold-up signals: no sirens, no spooked aggressor — operators follow hold-up procedure: no callback to the premises, straight to response

Police response and the discipline around it

Hold-up alarms ride the same NPCC framework as intruder URNs but with sharper handling: HUA activations are treated as crime-in-progress priority, callbacks to premises are avoided (an aggressor answering changes nothing good), and false activations burn response fast — typically two false HUAs in twelve months triggers withdrawal, stricter than intruder strikes. Hence the design emphasis on deliberate-action devices (dual-press, shrouded buttons), staff training ('this button is a police car, not a manager call'), and test procedures agreed with the ARC. Certificated installation and maintenance are scheme requirements as with any URN path.

Who should fit them, and what it costs

The clear cases: cash-handling retail (convenience, betting, pharmacy, jewellers — where insurers often require HUA provision), licensed premises at closing, GP/dental/housing receptions facing public aggression, schools' front offices, and any lone-opening/closing routine. Adding HUA to an existing monitored Grade 2/3 system: £150–£500 installed depending on button count and wireless needs; standalone monitored panic provision for premises without intruder systems prices like a small monitored install. Lone-worker app services run £5–£15/user/month. We fold HUA design into commercial surveys by default where the trade profile suggests it — and train staff at handover, because the button's value is the confidence to press it correctly.

Frequently Asked Questions

Are panic alarms silent?
By design, yes on site — the signal goes to the ARC and onward to police. Some premises add a manager-only discreet indicator; sirens defeat the purpose.
What happens if someone presses it accidentally?
Call your ARC immediately with your password to cancel. Repeated accidents cost police response — which is why dual-action buttons and induction training are part of proper installs.
Can panic buttons work without a monitored alarm?
Meaningfully, no — unmonitored panic is a doorbell. The ARC path is the product; premises without monitoring add it as part of HUA provision.
Do lone workers legally require panic provision?
Health and safety law requires assessing and mitigating lone-working risk; monitored SOS provision is the standard control for public-facing and mobile roles. Insurers and sector regulators increasingly expect it.

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