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Trusted Security Systems in Caterham & Croydon
Allied Security has been safeguarding homes and businesses across Caterham, Surrey, and Croydon, South London, for over 25 years. As an SSAIB UKAS-approved company, we specialise in bespoke security solutions, including wireless and wired intruder alarms, 4K CCTV systems, and smart video doorbells. Our systems meet police and insurance standards, with remote smartphone control and optional police response.

With expert installation, competitive repair services, and annual maintenance plans, we prioritise reliability, transparency, and customer-centric service. Our team ensures minimal disruption during installation and offers upgrades to modernise existing systems, combining cutting-edge technology with cost-effective solutions.
Services
Intruder Alarms CCTV Systems Video Doorbells Repairs & Maintenance Smartphone App Integration
Highlights and features
  • We have over 25 years of experience in local security solutions.
  • Our systems are SSAIB UKAS approved and police/insurance compliant.
  • We offer bespoke security tailored to your home or business needs.
  • Our smartphone app enables remote monitoring and instant alerts.
  • Competitive pricing with optional maintenance and warranty plans.
Associations and certifications
  • SSAIB UKAS
Services
Intruder Alarms
Wireless and wired intruder alarms with motion sensors provide 24/7 protection against unauthorised entry. Our systems integrate smartphone apps for remote control and instant alerts. Designed to meet European and insurance standards, they offer reliability and optional police response for enhanced security.
CCTV Systems
4K Ultra HD IP CCTV systems enable real-time monitoring and 21-day recording. Face and vehicle recognition features enhance security, with smartphone alerts for detected activity. Systems comply with police and insurance requirements, ensuring high-quality evidence capture and deterrence.
Video Doorbells
Professional video doorbells include weatherproof cameras and internal displays for visitor interaction. Receive smartphone alerts for motion or doorbell presses, with remote viewing capabilities. Systems are insurance-approved and compatible with existing home security setups.
Repairs & Maintenance
Emergency repairs and annual maintenance plans cover most existing security systems. Competitive pricing includes equipment upgrades and extended warranties. Our engineers ensure systems remain functional and up-to-date, minimising unexpected costs for clients.
Smartphone App Integration
Control alarms, CCTV, and doorbells via smartphone apps with real-time alerts and live footage. Features include status checks for pets or family safety, ensuring seamless connectivity and peace of mind when away from the property.
Questions
What security systems does Allied Security offer?
We provide intruder alarms, CCTV systems, video doorbells, and repair/maintenance services tailored to homes and businesses.
Are your systems approved by authorities?
Yes, our systems are SSAIB UKAS approved and meet police and insurance standards for reliability and compliance.
Can I control my security system remotely?
Yes, our smartphone app allows remote monitoring, instant alerts, and control of alarms, CCTV, and doorbells.
Do you offer maintenance plans?
Yes, annual maintenance agreements include extended warranties and competitive repair pricing to keep systems operational.
How much do your systems cost?
Intruder alarms and CCTV start from £499 + VAT, with video doorbells also from £499 + VAT. Upgrades and repairs priced competitively.
Do you service existing systems?
Yes, we repair and upgrade most existing security systems, including those installed by other companies, to modern standards.