Erosion of the masonry around the windows in an ongoing problem.

In this window there is heavy erosion to the tracery and the east jamb with gaps appearing between the mullions and the glazing panel. windows1
windows2 In this window, the central mullion is splitting and displaced.
Iron bars are rusting and causing damage to masonry.
Heavy erosion to mullions and upper tracery can be seen in this window and the central mullion is nearly worn through. windows3