When it comes to windows and doors, security is a high priority for homeowners and property developers. Windows and Doors are often the first line of defence against potential break-ins.

With windows and doors from Universal you and your customers can rest assured that your products comply with current building regulations and will leave their homes best protected. 

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PAS 24 is a security standard that can only be achieved once a product has undergone thorough testing and has been assessed for high security performance levels. Designed to be able to withstand specific break-in methods of burglars in the UK, the reasoning behind PAS24 is to help to ensure that homes are sufficiently protected against the threat of opportunistic criminals.

What does this mean for you?

In order to comply with current building regulations, it is required that all new builds must provide evidence that their doors and windows have passed the security aspects of PAS24. This means for an installer to fit windows and doors into a new dwelling, they must first show that their products have passed the relevant PAS24 tests.

PAS24 is only required for new residential dwellings. Commercial buildings do not require PAS24, but may still need to meet Secured by Design.


When a product is PAS24 tested, it will go through rigorous tests to assess the door or window as a whole, instead of individual components. This is so that it can be certified that the finished product which the customer receives offers a high level of security. The window or door will undergo a range of tests carried out by a PAS 24 assessor designed to highlight the weakness and vulnerabilities in the door or window’s design in order to identify where it could be strengthened.

Here is a breakdown of some of the testing products will go through for PAS 24 certification:

Manipulation Testing:

During this test, the assessor will attempt to gain entry by disengaging the locks or hinges on the door or window. 

Manual Cutting Testing:

At this stage of testing, the assessor will simply try and open the door or window by making a hole in the product. 

Mechanical Load Testing:

In order to simulate the amount of pressure that would be placed on a door or window if nail bars were used, a sequence of loading tests will be applied. 

Impact Testing:

 A mixture of soft and hard body tests are carried out to replicate some of the various devices a burglar may use to gain entry. 

As you can see, in order for a window or door to receive PAS24 certification, they will first undergo extensive testing offering peace of mind for installers and homeowners. 


Please contact us today using one of the methods below, our customer service team will be happy to answer any questions you may have.