Residential Burglar Alarm & Intruder Alarm Systems
Protect your home with a professionally installed residential intruder alarm system from Harpenden Alarms. We design and fit reliable burglar alarms for domestic properties across, Hertfordshire, Bedfordshire, Buckinghamshire and surrounding counties, with options including wired or wireless systems, smart app control and 24/7 monitoring. Book a free site survey and get a tailored quote for a home alarm that suits your property and lifestyle.

Reliable, trustworthy, super responsive and a great team, I wouldn’t trust my alarm with anyone else. Great local company and Steve is an absolute pleasure to know. Thank you for all you do.
— Jane, Harpenden

What is a residential intruder alarm or burglar alarm system?
Residential Intruder Alarm & Burglar Alarm Systems, Designed for Real Homes
A modern residential intruder alarm system does more than sound a siren.
It helps deter break-ins, alerts you quickly if there’s an issue, and can be tailored to how you live, whether you want simple keypad control or smart app notifications when you’re away.
At Harpenden Alarms, we design home alarm systems around your property, entry points and routines, then install and commission everything professionally so it works reliably from day one.
1
Deterrence first
Visible protection that helps discourage opportunistic intruders
2
Fast detection
Door/window contacts and motion sensors trigger an immediate response
3
Smart control
Arm/disarm via keypad, fobs, or app (system dependent
4
Expandable
Add extra sensors, panic buttons, or integrate with CCTV and access control
5
Professional installation
Correct placement, calibration and handover for dependable performance
6
Ongoing support and maintenance
to keep everything working as it should

Wireless Sounder
Let everyone know you’re protected with our wireless sounder. Available for both indoor and outdoor use.

Mobile App
Be connected to your home at all times with the mobile app. View event history, monitor CCTV and arm/disarm your security alarm remotely.

Wireless LCD Keypad
An easy to use keypad for arming/disarming your home security system as well as activating home appliances.

Control Panel
Comes with inbuilt PSTN module to connect the system to your fixed telephone line.

PIR
Our indoor PIR can be set to distinguish between pets and intruders, so no false alarms!

Camera PIR
A wireless detector that automatically sends pictures to your mobile during an intrusion.

Wireless Entry FOB
A convenient remote for arming/disarming your alarm system.

Wireless Door Contact
A magnetic door contact that activates your home alarm.
Ready to secure your home?
Arrange a free survey and we’ll recommend a residential alarm system that fits your property and budget.