Window Restrictor for UPVC Windows

Window Restrictor

Window Restrictor

A fantastic cost effective security product often overlooked by homeowners are Window Restrictors for UPVC and wooden windows.

A Window Restrictor is a proven piece of window security equipment that will stop your window from being levered open.

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Window Restrictor

What are Window Restrictors?

Window Restrictors are UPVC levers that are designed to be installed internally or (externally via a locking version) by securing to the frame at specific areas. This significantly strengthens the window against attempts being made to open the window using an object such as a crowbar.

They are simple to use in that once installed the user simply closes the window and then moves (or locks) the Window Restrictors lever over the frame area that opens as pictured below:

We have created a window security article if you want to find out more about window security.

Window Restrictor

Can I fit Window Restrictors myself?

Yes you can however, like most security products, they need to be installed correctly and professionally to maximise the usage and more importantly the defence they offer.

Our advice is to have these and other security products installed correctly by experienced professionals like ourselves as home security if installed correctly is a fantastic thing to have in place.

Be aware of You Tube type videos claiming everything is easy to do and install yourself. The installation of Window Restrictors involves drilling holes into your window or door frame at specific areas to strengthen the windows security against attack. If done incorrectly, it could be an extremely costly mistake!

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Window Restrictor

Where should Window Restrictors be installed?

It is important to confirm that as a company we strongly advise that Window Restrictors are not installed for use with UPVC doors but in theory they can also be used for UPVC doors for additional security if you wish.

The reason for this is that UPVC doors/ composite doors should already have installed adequate Police approved (Secure by Design accredited) PAS 24 multi point locking mechanisms which makes “spreading” the door open extremely difficult and certainly not a quick and easy task.

It has fast become a house insurance requirement that external doors meet the PAS24 accreditation requirements. We advise for maximum security that for each door or window, 2 x Window Restrictors should be installed. One in the top area and one in the bottom area.

Window Restrictor

What is the best Window Restrictor?

There are various versions of Window Restrictors that either include models that are lockable with a key or versions that come without a key.

SheffLOCK advise that Window Restrictors be lockable, this is so that should a Burglar smash a window they cannot simply reach in, undo the Window Restrictor by hand without a key and then proceed to lever open the window.

Remember criminals are forensically aware and do not want to climb through windows and broken glass as there is a significant chance they may cut themselves and leave blood at the point of entry.

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Using a Window Restrictor

They are simple to use in that once installed the user simply closes the window and then moves, or locks, the Window Restrictors lever over the frame area that opens as pictured above:

The Window Restrictor Video is a demonstration to show the Window Restrictor in a locked window state and how to operate the Window Restrictor to open the window.

The last part of the demonstration is to show how to lock the Window Restrictor from an open window state to a closed window.

Window Restrictor

Cost of a Window Restrictor?

The cost of a good quality lockable Window Restrictor varies between £10-£20 inc VAT to buy yourself depending on the make and model.

SheffLOCK offer a fantastic value for money offer on numerous lockable Window Restrictors to be installed at a property so please contact the team your requirements to receive a free quote.

Window Restrictor

Buy Window Restrictors

You can buy Window Restrictors direct from us to send in the post or you can call us to fit them at a time and date convenient to you.

They are simple to use in that once installed the user simply closes the window and then moves, or locks, the Window Restrictors lever over the frame area that opens as pictured above:

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SheffLOCK Ltd
Unit 6 Niagara Works
Niagara Road
Sheffield
South Yorkshire.
S6 1LU
Call: (0114) 44 262 00
Kevin, Chris & Richard

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Window Restrictor
Chris Hanson
30 Nov 2021