 Edward built further luxurious , self @-@ contained lodgings for his court around the east and south edges of the Upper Ward , creating the modern shape of the quadrangle . The Norman gate was built to secure the west entrance to the Ward . In the Lower Ward , the chapel was enlarged and remodelled with grand buildings for the canons built alongside . The earliest weight @-@ driven mechanical clock in England was installed by Edward III in the Round Tower in 1354 . William of Wykeham went on to build New College , Oxford and Winchester College , where the influence of Windsor Castle can easily be seen . 
