Universal concealed restrictor for peace of mind

Universal Concealed uPVC Window Restrictor

(Choice of handedness)

Safe, smart ventilation for every window

High quality, stainless steel concealed window restrictor that fits most PVC-u, timber, and aluminium windows. Spring-loaded, autolocking mechanism, capable of limiting sash opening to 89mm and ensuring robust and reliable child safety for ultimate peace of mind. Choice of left and right-handed restrictor arm and supplied with three strike plate stud options for universal fitting.

Fits discreetly between frame and sash on side-hung and top-hung casement windows, delivering effective restriction without compromising the aesthetics of the window. Allows windows to be opened for ventilation, whilst keeping the room secure, and the vulnerable protected. The releasable arm enables unrestricted opening when required – ideal for emergencies, cleaning, and deep ventilation.

Features & Benefits

Universal – widely compatible and supplied with all stud options
Durable – strong stainless steel construction
DIY friendly – simple to fit to new and existing windows
Concealed design – no visible hardware on window face
Quick release – easy, tool-free unrestricted opening
Auto-locking – consistent and reliable restriction
Child safe – capable of limiting opening to 89mm
Quality assured – complies to BS 6375-2:1987

Did you know? Around 4,000 children each year are injured from falls out of windows. Installing a simple window restrictor can help prevent these accidents while keeping rooms safely ventilated.

Window Parts

Universal Concealed Window Restrictor Kit