Intruder Alarms

Protect your London property with enterprise-grade, fully managed alarm systems — installed in 24 hours.

Why Choose ESF Intruder Alarms?

London’s trusted alarm specialists. Professional installation. Reliable systems that protect your property.

Expert Installation

Fully trained engineers. £10M insured. Installed in under 6 hours with full testing.

Insurance Friendly

Meets UK standards. Helps reduce insurance premiums. Accepted by most insurers.

24/7 UK Monitoring

Instant app alerts. Keyholder & police dispatch option. 365-day support available.

5-Year Warranty

Full parts & labour cover. Lifetime remote support. Free relocation within 12 months.

Intruder Alarm System Features

Modern, smart, and fully customizable alarm systems for homes and businesses.

Smart Control App

Arm/disarm from anywhere. Live status. Push notifications. Geofencing auto-arm.

100% Wireless Option

No wiring. Battery-powered sensors. 2-year battery life. Ideal for rented properties.

Panic Buttons

One-tap silent or audible alarm. Wristband, wall, or portable. Medical alert option.

SmokeCloak® Fog

Fills room with dense fog in 8 seconds. Stops intruders instantly. Safe & harmless.

Pet-Immune Sensors

PIR, glass-break, shock detection. Ignores pets up to 35kg. Minimal false alarms.

CCTV Integration

HD cameras. Live view in app. Motion-triggered recording. Cloud & local storage.

Professional Alarm Installation

Clean, discreet, and damage-free. We treat your property with care.

  • Free Site Survey & 3D Digital Plan – See your system layout before work starts
  • Hidden Micro-Cabling (1.5mm) – 98% of jobs leave no visible wires
  • Paint-Matched Fixings – Blends with your décor
  • Full System Test & Handover – You’re trained and confident in under 30 mins
  • Police URN Registration Option – We assist with setup for faster response
  • 24/7 Emergency Call-Out – Average response: 47 minutes

Service Area

  • Greater London & M25
  • Home Counties
  • Next-Day Installation
  • Residential & Commercial

Intruder Alarms FAQs

Do I need police response?

It’s optional but recommended. We can help register your Unique Reference Number (URN) for faster police attendance.

Will it work during power cuts?

Yes. 48-hour battery backup in the control panel. 4G cellular backup if WiFi fails.

Can I self-monitor?

Yes. Free app alerts to your phone. Or add professional 24/7 monitoring from £1/day.

What if I have pets?

Our sensors are pet-immune up to 35kg. Cats and dogs can move freely without triggering alarms.

Is it easy to use?

Yes. One-tap arm/disarm via app, keyfob, or touchscreen. Works with Alexa and Google Home.

What if I move?

We offer free system relocation within 12 months. Your warranty and plan transfer.

Secure Your Property Today

Free site survey + custom quote in 60 minutes. No obligation. London’s trusted alarm installers.

Book Free Survey