Reliable Security Solutions You Can Trust

Professional alarm, CCTV, fire, and access control systems for homes and businesses, installed by experienced engineers.

Reliable Security for Your Home and Business

Safeguard your property with alarms, CCTV, fire systems, and access control, installed by certified professionals. Fast, dependable, and customized for your needs.

Trusted Home & Business Security Since 1960

Granley Alarms was founded in 1960 by Graham Granley in Chelsea SW3. From the beginning, we have been a family-run business focused on delivering reliable security solutions, fair pricing, and personal customer service.

Over the years, our services have expanded across London, Essex, and Hertfordshire. Today, we continue to operate with the same values and high standards that have guided the company for over six decades.

Fast Services For Home security

20+ Industry Awards Won

Recognised for excellence in security system installation and customer service.

A Reliable Name in Security Solutions

Established in 1980, Granley Alarms has been delivering trusted security solutions to homes and businesses across the UK for decades. Our focus is on providing dependable, high-quality systems that help protect what matters most.

We work with a wide range of properties, from private residences to commercial premises, offering expert installation and maintenance of burglar alarms, fire alarm systems, CCTV, access control solutions, RFID keypad systems, and fire alarm control panels (FACP).

By combining modern security technology with proven industry standards, our experienced team designs solutions tailored to each client’s unique requirements. At Granley Alarms, your safety is our priority, and we are committed to delivering reliable protection with professional service at every stage.

Projects completed

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Homes and businesses protected with professionally installed alarm, CCTV, fire, and access control systems.

Years of experience

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Providing trusted security solutions across London, Essex, and Hertfordshire since 1960.

Certified Specialists

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Dedicated to high standards in system design, installation, servicing, and ongoing support.

Home Security Installation

We install practical and dependable security systems for residential properties. Every installation is planned around your home’s layout, ensuring simple operation, reliable performance, and effective protection from day one.

Burglar Alarm Systems Systems

Our burglar alarm systems are designed to discourage intruders and alert you quickly to unauthorised access. We provide professional installation and setup to ensure consistent protection for homes and businesses.

Fire Alarm Systems

Fire safety depends on fast alerts. We install reliable fire alarm systems that help identify potential dangers early, supporting safer environments for people, property, and business premises.

Our Completed Project

Protect your home or business with expertly installed alarms, CCTV, fire safety, and access control solutions.

Smart Home Security Powered by Pyronix

From £699 – Supplied & Installed

Protect your home with a professionally installed Pyronix security system designed for modern living. Control and monitor your system through your smartphone, receive instant alerts, and enjoy reliable protection backed by expert installation.

Take Control of Your Home with Pyronix Home System Installation

£699/Full Installation

Keep your home safe and secure with our limited-time Pyronix Home Control System offer. Manage your security right from your phone—no monthly fees, just peace of mind. For only £699, get professional installation and enjoy comprehensive protection for your family and belongings. Don’t miss out—this offer won’t last long! *T&Cs apply.

What Our Clients‍ Say About Us

Helen R., Ealing

“Professional, friendly, and efficient. The fire alarm system was installed quickly and meets all safety requirements. Highly recommended.”

Mark D., Hammersmith

“We needed a reliable security system for our office, including alarms and access control. Granley Alarms delivered exactly what was promised with no hassle.”

Sarah T., Kensington

“From the first call to installation, the service was excellent. The engineers were knowledgeable and took the time to recommend the right solution for our property.”

James W., London

“Granley Alarms installed our home alarm and CCTV system quickly and professionally. Everything was explained clearly, and the system is very easy to use. We feel much more secure.”