Old Burghclere subsoil chalk and greensand. Burghclere remained in the possession of the see of Winchester until 1551. The most notable Bishops of Winchester being William of Wykeham (1320 or 1324–1404), who founded New College, Oxford, and New College School in 1379, and Winchester College in 1382, but also owned, in his own right, Earlstone manor in the parish of Burghclere. William Waynflete, Lord Chancellor of England (1456–1460) and founder of Magdalen School and College in Oxford was also particularly renowned. In 1551 Edward VI received it from John Ponet, Bishop of Winchester, in exchange for lands elsewhere. King Edward VI granted
William Wynford granted Wynford a pension of £10 per annum. In 1375–76 he was at work at Abingdon Abbey and working for the crown at Corfe Castle in 1377–78 making new rooms in the keep. In 1378 Wynford was working with Henry Yevele at Southampton. With the death of Edward III the new king Richard II of England favoured Wykeham, with newfound wealth he founded in 1379 New College, Oxford, which was designed by Wynford, who also designed Winchester College founded by Wykeham in 1382. In 1389-90 he was repairing Winchester Castle, from 1392 he designed Wardour Castle, and in the 1390s