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Your Trusted Security Partner in Hertfordshire
ASH Lock & Secure is a leading independent security specialist company based in Hertfordshire, delivering comprehensive electronic security solutions across London, Hertfordshire, Bedfordshire, Buckinghamshire, Hampshire, and surrounding areas. With NSI Silver accreditation, we adhere to the highest industry standards through regular audits and technical excellence. Our services include burglar alarms, CCTV, access control systems, and fire alarm installations, tailored to domestic, commercial, and public sector clients.

Our team of highly skilled engineers ensures precise installations and ongoing support, complemented by enhanced DBS-checked staff for trust and professionalism. We offer 24/7 emergency response, free security assessments, and compliance with police authority lists, ensuring reliability and peace of mind for all clients.
Services
Intruder Alarms Access Control Solutions Fire Alarm Systems Monitored CCTV Domestic Security Commercial Security Public Sector Security
Highlights and features
  • We are NSI Silver accredited, ensuring adherence to rigorous industry standards.
  • Our 24/7 emergency response guarantees immediate action for critical systems.
  • Free, no-obligation security assessments tailored to your specific needs.
  • Experienced engineers deliver precise installations and ongoing maintenance.
  • Enhanced DBS-checked staff ensure professionalism and client trust.
Associations and certifications
  • NSI Silver
Services
Intruder Alarms
Our NSI-certified intruder alarm systems deter break-ins and ensure compliance with insurance requirements. Options include bells-only, monitored, and police-response systems, compatible with the HomeControl2.0 app for remote control. Tailored installations for domestic and commercial properties guarantee optimal security.
Access Control
Advanced access control solutions manage entry points with key fobs, biometrics, or keypad systems. Suitable for small businesses to large corporations, our Paxton Gold-certified installations ensure secure, scalable, and remotely manageable access control integrated with other security systems.
Fire Alarm Systems
BS5839-compliant fire alarm systems provide rapid detection and 24/7 emergency response. We install manual call points, smoke detectors, and addressable panels, ensuring legal compliance and safety for commercial and residential premises through regular maintenance and monitored systems.
Monitored CCTV
24/7 monitored CCTV systems use AI analytics and remote guarding to deter crime and provide real-time intervention. High-resolution cameras, ANPR, and remote access via mobile apps ensure comprehensive security for homes, businesses, and construction sites.
Domestic Security
Tailored home security packages include alarms, CCTV, and access control to protect families and property. NSI-approved systems reduce insurance premiums, while free risk assessments ensure solutions align with individual needs and property specifications.
Questions
What security services does ASH Security offer?
We provide intruder alarms, access control, fire alarms, monitored CCTV, and tailored solutions for domestic, commercial, and public sector clients.
Are ASH Security's systems NSI approved?
Yes, we are NSI Silver accredited, ensuring our installations meet stringent industry standards and police compliance requirements.
Do you serve areas outside Hertfordshire?
We cover London, Bedfordshire, Buckinghamshire, Hampshire, Thames Valley, Kent, and Metropolitan Police regions.
Can I get a free security assessment?
Yes, we offer free, no-obligation security surveys to tailor solutions for your property's specific needs.
Do your alarm systems integrate with other security products?
Yes, we integrate fire, CCTV, and access control systems into unified networks for enhanced security management.
What emergency support do you provide?
Our monitored systems offer 24/7 emergency response, including police dispatch for verified alarms and rapid technician call-outs.
Reviews (3)
Fiona Thompson
Nov 21, 2017 Report
Ash security fitted CCTV for our construction site and we were so impressed with the service. They are also now dealing with all security installation into the new build properties.
Kathryn Weston
May 11, 2015 Report
Efficient and did a great job on our alarm system which is user friendly and makes us feel very reassured.
Lucie Bridges
May 23, 2014 Report
We contacted Ash last year the day after we were burgled and they really impressed us from the word go. At no point did they take advantage of our obviously vulnerable position, they were fair and honest from the start and sold us exactly the alarm system we needed. They are a local business and really care about their clients and they've made me feel safe in my own home again. I literally can't recommend this company highly enough and I also can't emphasis enough how important having an alarm and decent security on your home are. It's really horrendous being burgled and it's worth investing in an alarm, I only wish I'd done it sooner! Brilliant company!