Intruder Alarms

A professionally installed intruder alarm system is essential to any complete protection strategy. At Admiral Systems, we design, monitor and maintain intelligent alarm solutions tailored to your environment, risk level and day-to-day use. Whether you are securing a commercial property, public building or residential home, our systems offer accredited protection and lasting peace of mind.

We work across London and the South East, delivering intruder alarms that combine smart technology with dependable support. Every system is installed and maintained by experienced, DBS-checked engineers, with a focus on compliance, clarity and minimal disruption.

Tailored Systems for Homes, Businesses and Public Sector Sites

We understand that every property is different. From homes and offices to schools, warehouses and healthcare settings, we design systems that reflect how your site operates. Our intruder alarms come in Grade 2 or Grade 3 specification, depending on your insurance and risk profile, and can be integrated with other systems such as CCTV, access control or fire detection for a coordinated response.

Residential clients benefit from discreet, user-friendly alarms with smartphone control and monitored response options. For commercial and public sector sites, we provide more advanced setups with perimeter protection, remote management and linked emergency alerts.

We are NSI Gold approved, ISO9001 certified and SafeContractor accredited. Every system is designed for long-term performance, installed to the latest British Standards, and supported by a clear maintenance plan with 24/7 emergency response if needed.

Monitoring & Rapid Response

Every intruder alarm system can be linked to a trusted UK-based Alarm Receiving Centre for 24-hour monitoring and emergency escalation. If triggered, trained operators assess the situation in real time and alert the appropriate contacts.

Monitoring options include:

Instant alerts and detailed activity logs

Keyholder notification

Optional police response

Live audio deterrents

This helps reduce downtime, prevent damage and support business continuity, even when your site is unattended. Monitoring also supports insurance compliance and demonstrates a proactive approach to risk management.

Supporting Key Sectors

We work across a broad range of sectors, delivering alarm systems that are aligned with the demands and responsibilities of each environment. Whether for a commercial site, education setting, residential block or public building, we adapt our approach to suit your needs.

With over 30 years of experience, we understand how to minimise disruption while delivering safe, reliable installations. All Admiral engineers are DBS checked and trained to work within live environments, including schools, healthcare settings and council-run buildings.

Integrated, Turnkey Solutions

As a BAFE, NACOSS and FIA recognised provider, we deliver complete fire and security systems through a single point of contact. Our turnkey approach ensures your intruder alarm system works seamlessly alongside other protective measures, simplifying project delivery and long-term maintenance.

Available integrations include:

– CCTV with live or remote monitoring

– Access control and door entry

– Fire alarms, emergency lighting and evacuation systems 

We also offer tailored service and maintenance packages to ensure your systems remain compliant and fully operational year-round.

Your Safety is Our Priority

We offer no obligation site visits across London and the South East of England. Whether you are upgrading an outdated setup or planning a new build, we will design a tailored intruder alarm system that meets your needs from day one.

“We’ve used Admiral Security for 15 years across retail, pubs, domestic and vacant sites. They’re reliable, responsive and truly understand our needs.”
- Multi-Sector Business Landlord, London & South East
"Admiral’s installation of five door entry systems went perfectly. Their operative was meticulous and flexible, and the standard of workmanship was excellent. To complete this work during term time, in a busy school, without any complaints or disruption is outstanding. It is refreshing to work with a company that combines traditional standards of workmanship and customer care with real value for money. I wouldn’t hesitate to recommend them."
- SEN School, Surrey
"From Mark, who handled our enquiry and site visit, to Dave, who completed the install — the service was excellent. The quality of work was impressive, and we’d have no hesitation recommending Admiral."
- Small Business, South London
"Admiral Systems have installed and maintained alarm systems for every house I’ve owned. The service we’ve received over more than 20 years has been excellent, and I would happily recommend them to anyone looking to secure their home."
- Homeowner, Surrey
"The team at Admiral were incredibly easy to deal with, and communication was strong throughout — from sales to aftercare. They listened to my requirements, surveyed the premises, and recommended a tailored security system to suit the building. The price was very reasonable, and the 12-month guarantee gave added peace of mind. I would thoroughly recommend Admiral Security for their personal and professional service."
- Fashion Outlet
"We were very impressed with the engineer who installed our alarm. He was extremely professional, polite, and delivered excellent service. When your engineers are this good, it reflects brilliantly on your entire company. I felt it was important to pass on this positive feedback — the job was completed to a very high standard."
- Homeowner