Berkhamsted Castle was taken prisoner at the Battle of Poitiers. When the Black Prince fell ill following his campaigning in France, he retired to Berkhamsted and died there in 1376. Richard II inherited Berkamsted Castle in 1377; initially the use of it was given to his favourite, Robert de Vere and, after de Vere's fall from power and exile in 1388, to John Holland. Henry IV lived in the castle after he deposed Richard in 1400, and he used the property to detain rival applicants to the throne. During this period Geoffrey Chaucer, later famous for his "Canterbury Tales", oversaw renovation work
Stirling Castle "inforsyt it grettumly, for riche he was and full mychty" (enforced it greatly, for rich he was and full mighty). In 1360, Robert de Forsyth was appointed governor of Stirling Castle, an office he passed on to his son John and grandson William, who was governor in 1399. Under the early Stewart kings Robert II (reigned 1371–1390) and Robert III (reigned 1390–1406), the earliest surviving parts of the castle were built. Robert Stewart, Earl of Menteith, Regent of Scotland as brother of Robert III, undertook works on the north and south gates. The present north gate is built on these