The Crime Prevention Website

Interlock Security

Contact Us


02392 706474

77b Castle Road Southsea Portsmouth Hampshire , PO5 3AY

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Interlock Security is a Portsmouth based company who specialise in upgrading security to older uPVC windows and doors. We have developed and patented additional security devices that fit alongside existing locking mechanisms fitted at manufacture.

Security window filming, security double glazed units are other services we can provide, we are confident in supplying a complete security package tailor made for your security needs, that in effect 'Target Hardens' your home against even the most determined would be intruder. 

In the unlikely event of an attempted break in, our frame repair service can rectify damage that may have been caused, without the costly need for replacements and less disruption to an already upsetting situation.

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