Security Systems in Chelmsford
Professional burglar alarms, CCTV, fire alarms and access control — installed and maintained by local engineers across Chelmsford and surrounding areas.
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Security Services in Chelmsford
The county town of Essex and one of the fastest-growing cities in the East of England. Chelmsford has a thriving business district, university, and a large and expanding residential population, all of which drive strong demand for professional security systems.
We have an established customer base across Chelmsford CM1–CM3, including a large number of commercial clients in the business park areas and residential customers throughout the expanding new-build estates.
Same-Day Surveys
Free security assessments available today across Chelmsford
24/7 Emergency Cover
Round-the-clock emergency callouts for alarm faults and break-ins
Accredited Engineers
SSAIB, CHAS, FIA and BAFE certified — installation to SSAIB standards
Locally Based
Engineers working from our Brentwood base cover Chelmsford daily
Local Area
Key Landmarks
- Chelmsford Cathedral
- High Chelmer Shopping Centre
- Hylands Park
Areas We Cover
Security Services Available in Chelmsford
All services installed and maintained by our local engineers
Burglar Alarms
Professional burglar alarm installation and monitoring services
- Wireless & wired systems
- 24/7 monitoring
- Smart phone app control
CCTV Systems
High-definition CCTV installation and maintenance
- 4K resolution cameras
- Night vision
- Remote viewing
Fire Alarms
Commercial and residential fire alarm systems
- BS 5839-1 compliant
- Smoke & heat detectors
- Automatic monitoring
Access Control
Door entry and access control systems
- Key fobs & cards
- Biometric readers
- Video intercoms
Security Lighting
External security and emergency lighting systems
- PIR sensors
- LED technology
- Timer controls
Specialist Services in Chelmsford
Dedicated pages for common security requests in your area
We Also Cover Near Chelmsford
Security Questions for Chelmsford
Do you offer same-day security surveys in Chelmsford?
Yes. We offer free same-day security surveys across Chelmsford and the surrounding area. Call us before noon and we can usually arrange an afternoon visit.
How quickly can you respond to an emergency alarm fault in Chelmsford?
For customers on our maintenance contract we aim to respond to emergency call-outs in Chelmsford within 2–4 hours, 24 hours a day, 7 days a week.
What security systems do you install in Chelmsford?
We install the full range of security systems in Chelmsford: burglar alarms (wired and wireless), CCTV, fire alarms (domestic and commercial), access control, door entry, and security lighting.
Are you based near Chelmsford?
J&L Security is based in Brentwood, Essex — giving us excellent coverage across Chelmsford and the surrounding areas. Our engineers work throughout Essex and Greater London daily.
Do you provide maintenance contracts in Chelmsford?
Yes. We offer annual maintenance contracts for all systems we install in Chelmsford, covering regular servicing visits, priority emergency response, and software updates.
Get a Free Security Survey in Chelmsford
Our qualified engineers cover Chelmsford and all surrounding areas. No-obligation assessment — same-day appointments available.