High-Security Lock Cylinders

The average Euro profile cylinder can be snapped in seconds by burglars using simple household tools, and over 20 million uPVC and patio doors in the UK are at risk. These ranges of high security cylinders are designed to withstand attack. They are easy to fit in about 5 minutes – see our measuring and fitting guide and fitting videos.

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  • Mr *** Petersfield

    Very neat and tidy installation.  Very considerate with young family.  Professional and efficient service throughout the whole process.

  • Alan & Gwen Waters Fareham, Hampshire

    Always helpful with a swift service – would happily recommend to anyone interested in alarms.

  • Mr A***** Clanfield, Hampshire

    Local company with a good reputation and we have been very impressed so far – thank you.

  • Ken Nash Portsmouth, Hampshire

    We have used the security system for the last 17 years on a daily basis without one false alarm, very impressive…

  • Mr A Price, Price Motors Waterlooville, Hampshire

    All people I encountered were a credit to CIA.

  • Mrs P Wxxx Waterlooville, Hampshire

    One employee was the one who liaised with me every time I rang, rather than being passed from pillar to post.

  • Mr I Dxxxxx Midhurst, West Sussex

    Good service, friendly staff.

  • Simon Bradley, Dynasystems Ltd Southampton, Hampshire

    Attentive and responsive. Got back to me with a quote in the time he said he would.

  • Mr A Jarrett Denmead, Hampshire

    Very professional and kept us advised as to what they were doing.

  • Mr A W***** Fareham, Hampshire

    Whilst considering a security system installation, we noticed alot of properties in the area that had CIA alarm boxes installed and when we asked some […]