Like those of the Peers' Corridor, they are in grisaille and show the arms of some of the royal princes of the fifteenth century: among them are Arthur, Henry, and Edward, Princes of Wales; Humphrey, Duke of Gloucester; and Richard, Duke of York.

Like the equivalent windows in the Peers' Corridor, these were designed by A.W. Pugin, and manufactured by Hardman. The present windows replaced originals in deeper, darker colours. As elsewhere in the Palace, it was felt that this made the building too dark, and Pugin was asked to remake them in the present much lighter gold and silver grisaille