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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  • Andrew Smith & Son Alresford, Hampshire

    Very neat, tidy and invisible – we hardly knew they were here. Very impressed.

  • Mrs S******** Fareham, Hampshire

    Always very helpful and obliging.  Always feel that things said will happen.

  • Mr M Sxxxxxxxxxxx Waterlooville, Hampshire

    Polite attitude of your technician, minimum disruption.

  • Mr D S Freezer Bognor Regis, West Sussex

    Your people have been Helpful – Honest – Informative – Perfect, Thank you.

  • Chris Holiday Guildford, Surrey

    Your technician was exceptionally pleasant and helpful – a credit to your company.

  • Mr R Clist Liss, Hampshire

    They were prompt in arriving.  They were able to overcome a small problem with little fuss, and seemed technically very capable.

  • Mr L********* Rowlands Castle, Hampshire

    CIA are easy to contact and their staff are helpful.

  • 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…

  • Mrs J Kxxxxxx Farnham, Surrey

    Had to change pre-arranged appointment and office was very helpful.

  • Alan Sharman Hindhead, Surrey

    The transition of ownership of the company was seamless for customers with commitments and prices maintained.