A pair of silver top hung window hinges with friction stays, displayed against a white background with the text 'TOP HUNG RESTRICTED' above them.
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 window hinges with friction stays, displayed against a white background with the text 'TOP HUNG RESTRICTED' above them.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 - 24 Inch – Replacement uPVC Window Hinge

AvocetSKU: HS3040
162 reviews from verified buyers
Price:
£9.99

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

100% SECURE PAYMENTS

HASSLE FREE RETURNS

FULLY TRACKED DELIVERY

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 specialised friction stay hinges designed to control how far a window can open while still allowing ventilation. They improve both safety and security in residential and commercial properties.

A 24-inch top hung friction stay hinge is typically used on larger top-opening uPVC or aluminium windows. It provides strong support, smooth operation, and controlled opening for heavier window sashes.

Restricted hinges help prevent windows from opening too far, reducing the risk of falls and improving child safety. They also help limit external access through the window.

Compatibility depends on factors such as sash size, window weight, frame material, and hinge dimensions. Always compare measurements with your existing hinges before ordering a replacement.

Selecting the correct hinge depends on your window’s opening style, dimensions, and existing hardware setup. If you need help finding the right replacement hinge, feel free to contact us for expert advice.

About the Brand - Avocet ABS

Avocet ABS is one of the UK’s leading names in high-security door hardware, trusted by homeowners, locksmiths, and security professionals for its proven protection against modern burglary techniques. Known for its ABS 3-Star Euro Cylinder, Avocet has built a reputation for developing advanced, police-approved security solutions that combine innovative engineering with long-lasting durability.

Every Avocet ABS product is designed to exceed the highest industry standards, offering anti-snap, anti-pick, and anti-drill protection to keep homes secure. The brand’s commitment to quality and continuous improvement has made it a top choice for upgrading uPVC, composite, and wooden doors with reliable, insurance-approved security.

Choosing Avocet ABS means choosing trusted technology, exceptional build quality, and maximum home protection—making it a standout brand for homeowners who demand the best in door security.

Explore Avocet ABS