A pair of silver top hung security restricted window hinges friction stay, displayed against a white background.
Close-up view of a security restricted window hinge (friction stay) in stainless steel, showing the pivoting arms and locking mechanism.
Technical diagram of a security restricted top hung window hinge (friction stay) showing opening angles, button position, length, and 13mm stack height.
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A pair of silver top hung security restricted window hinges friction stay, displayed against a white background.Close-up view of a security restricted window hinge (friction stay) in stainless steel, showing the pivoting arms and locking mechanism.Technical diagram of a security restricted top hung window hinge (friction stay) showing opening angles, button position, length, and 13mm stack height.

Security Restricted Window Hinges Friction Stay Top Hung - 12 Inch – Replacement uPVC Window Hinge

AvocetSKU: HS3037
162 reviews from verified buyers
Price:
£6.99

Key benefits

  • Restricted-opening security hinge - limits opening for safety
  • Side-hung or top-hung - match your window type
  • Sized 12" to 24" - match your existing hinge length

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Description

These hinges are designed to open to a restricted distance of around 10cm. A button can then be pressed to allow full opening. 

For use with windows that are:

Top Hung (window handle at bottom) - Both hinges have restrictor feature

Sold in pairs (1 left, 1 right). Supplied with 13mm (standard) stack height. Hinge packers can be purchased separately to increase depth to 17mm.

Features & Benefits

* Enhanced weather sealing - enclosed end caps, asymmetric location system and profiled vent are all help 
* Long life expectancy - uses Thermoplastic components and tested to 30,000 cycles 
* Smooth operation - patented lipped slider 
* Easy friction adjustment - without metal-to-metal contact 

Common symptoms of failing friction hinges

* Difficulty opening and closing the window? 
* Window not closing tightly into frame? 
* Draughts through closed window despite gaskets in place? 
* Window fails to stay in position when partially open?

If you experience any of the above then you should consider repairing or replacing the hinges, before the situation gets worse and also becomes a security risk.

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Frequently Asked Questions

Top hung security restricted window hinges are friction stay hinges designed to limit how far a window can open while still allowing safe ventilation. They are commonly used to improve safety and security in homes and commercial properties.

A 12-inch top hung friction stay hinge is typically fitted to outward-opening top hung uPVC or aluminium windows. It provides smooth operation, controlled opening, and reliable sash support.

Restricted hinges help prevent windows from opening too wide, reducing the risk of falls and improving child safety. They also help limit unauthorised access from outside.

Compatibility depends on the window type, sash size, frame material, and hinge dimensions. Always compare measurements with your existing hinges before purchasing a replacement.

Choosing the correct hinge depends on your window’s opening style, size, and existing hardware configuration. If you need assistance selecting the right hinge, feel free to contact us for expert advice.