24/7 LINE: 020 8342 0040
Protect Your Business with Professional Security Alarms
Trusted Since 1969 to Keep Your Business Secure and Safe
Site Security Assessment
Supply and Install Commercial Locks
We Fit Intruder Alarms
Emergency 24/7 Call Outs
Protect Your Business with Custom Security Solutions Built for Commercial Environments
★★★★★ Google Rated (4.9 avg.)
At Barnet Lock & Security, we specialise in supplying and installing security alarms for business across Barnet, North London, and the surrounding areas. A professionally fitted alarm system is one of the most effective ways to deter intruders, protect assets, and keep your staff and premises safe.
Whether you run a small office, a retail shop, or a large commercial site, we design and install business security alarms tailored to your needs. With decades of experience, we’re trusted by local businesses to provide reliable protection, 24 hours a day.
Why Every Business Needs a Security Alarm
Investing in a security alarm for your business provides:
Deterrence against theft and burglary – Intruders are far less likely to target alarm-protected premises.
24/7 monitoring options – Immediate alerts to attempted break-ins.
Protection for staff and customers – Safer working and shopping environments.
Reduced risk of financial loss – Protects stock, equipment, and sensitive documents.
Peace of mind – Knowing your business is secure at all times.
Our Security Alarm Solutions for Businesses
We provide a wide range of security alarm systems to suit different types of commercial premises, including:
Intruder alarms – Wired or wireless systems to protect against unauthorised access.
Monitored alarms – Linked to an alarm receiving centre for immediate response.
Smart alarms – Control and monitor your system remotely via smartphone.
Integrated solutions – Combine alarms with CCTV, access control, and safes for full business protection.
Our expert team will survey your premises, recommend the most suitable system, and carry out a professional installation with minimal disruption.
Why Choose Barnet Lock & Security?
Over 50 years of experience protecting businesses in North London
Specialists in security alarms, CCTV, and access control systems
Trusted by local shops, offices, warehouses, and commercial premises
Competitive prices with professional installation and ongoing support
Friendly, experienced engineers dedicated to your security
Barnet Lock and Security also offer these products and services:
Emergency Locksmith Services
Locked Out? We respond 24/7
External & Perimeter Security
Safeguard loading bays, entrances, and outdoor areas with layered perimeter protection.
Locks, Safes & Site Security
High-security locks, commercial-grade safes, and hardware for protecting assets and sensitive areas.
Ongoing Maintenance & Support Contracts
Planned servicing, emergency call-outs, and long-term system upkeep to minimise downtime and ensure business continuity.
Fire Safety & Emergency Hardware
Fire alarms, emergency exit hardware, and compliance-driven installations for insurance and safety standards.
Access Control & Entry Systems
Keyless entry, biometric access, intercoms, and master key systems tailored for secure, scalable business environments.
WHY CHOOSE BARNET LOCK AND SECURITY?
Complete Peace of Mind
Insurance Approved Locks
24/7 Emergency Support
Modern User Friendly Security
Tailored Solutions
Trusted Experts Since 1966
Get a Free Security Quote
No pressure. Just smart advice.
Faq's
What types of commercial properties do you secure?
We provide tailored security solutions for offices, warehouses, factories, retail outlets, healthcare facilities, and multi-site businesses. Whether you’re protecting a single building or managing multiple locations, we scale systems to your operational needs.
Can you integrate new security systems with existing infrastructure?
Yes. We regularly design hybrid setups that incorporate existing locks, CCTV, or alarm systems with upgraded components to improve functionality without starting from scratch—saving time and cost.
Do you offer ongoing maintenance or emergency support?
Absolutely. We provide routine servicing, repairs, and 24/7 emergency response across the UK. Maintenance contracts ensure your systems remain compliant, reliable, and fully operational year-round.
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