IMPROVED WINDOW AND DOOR CLOSURE
The window or door closure (1) is adapted for mounting in a channel (27) cut out of the edge of a door or window. The closure (1) has a closure mechanism (5) such as a conventional mortice lock and a closure frame (2) with screw holes (3c, 3d) which are used to attach the closure mechanism (5) to the side walls of the channel (27). Cover plates (7a, 7b) are also (10) provided to protect the closure frame (2) and the closure mechanism (5) from attack. The window or door closure (1) is particularly suited for DIY installation whilst still offering a high degree of protection.