Sash Window Restrictor – Window Opening Control Device (WOCD) – Child Safety Lock – No Key Required
Improve home safety with these Window Opening Control Devices (WOCDs), designed to limit how far a sash window can open. When fitted correctly, they help prevent children from opening the window wide enough to fall through, offering added peace of mind and child safety.
These sash window restrictors operate without a key and automatically reset when the window is closed, making them both safe and easy to use.
✔ Child safety window restrictor system
✔ Limits sash opening to reduce fall risk
✔ No key required – simple operation
✔ Auto-reset function when window closes
• Window Opening Control Device (WOCD)
• Designed for timber sash windows
• Fitted to top sash stiles (one each side)
• Single-action mechanism (use in pairs for compliance)
• Helps restrict lower sash opening distance
• Automatic reset when window is closed
• Available in 9 finish options
• Supplied with mini strike plates & fixing screws
• Complies with ASTM F2090-21 (when fitted as a pair)
• Tested as a critical component to PAS 24:2016
• Tested in accordance with BS EN 14351-1:2006
• Fixes through the front face of the sash stile
• Install one device on each side for full compliance
• PVD Finish: Highly durable, scratch-resistant coating for long-lasting performance
• Lacquered Brass: Coated to reduce tarnishing; over time may develop a natural aged patina with use
• Sash Window Restrictor(s)
• Mini strike plates
• Fixing screws