Domestic Intruder Alarms for Complete Home Protection

Keep your home and family safe with our high-quality domestic intruder alarm systems, designed to offer reliable 24/7 protection. We install modern wired and wireless burglar alarms across Hampshire, Petersfield, and the surrounding areas, giving homeowners complete peace of mind.


Smart, Easy-to-Use Home Alarm Systems

Our domestic alarms are simple to operate, discreet, and built to suit every style of property — from small flats to large family homes. With optional smartphone control, you can arm, disarm and monitor your home remotely, receiving instant alerts wherever you are.


Professionally Installed & Fully Insurance Approved

All home alarm installations are carried out by our NSI Gold accredited engineers, ensuring the highest industry standards. Our systems are fully insurance-approved and designed to reduce the risk of break-ins by acting as a strong visual and audible deterrent.

Intruder Alarms
Home Security Hampshire

Tailored to Your Home and Lifestyle

We assess your property and create a bespoke security plan that covers vulnerable entry points, outdoor spaces and key internal areas. Whether you want a simple bell-only system or a monitored alarm with 24-hour response, we provide solutions to match your needs and budget.

Why Homeowners Choose A1 Security Systems

  • Discreet wired and wireless alarm options
  • Smart control via mobile app
  • Professional installation and ongoing support
  • NSI Gold accredited engineers
  • Based locally in Petersfield

Home Alarms Installed by Hampshire’s Security Experts

Burglar alarms provide a highly effective way of stopping opportunistic thieves in their tracks. Unfortunately, many homeowners wait until it’s too late to install burglar alarms. Security professionals know that a home with a professionally installed alarm is far less likely to be targeted by burglars than one without, which is why A1 Security Systems will design a home alarm system that is easy to operate, reliable and will fit your needs and your budget perfectly.