Rochester Castle built during Henry III's reign were never repaired; it has been suggested this was because by the 14th century, when considerable sums were being spent on repairs elsewhere in the castle, Rochester had fallen out of favour as a royal residence. As the castle's importance as a high-status residence waned, its role as a barracks and administrative centre came to the fore. The reign of Richard II (1377–1400) saw the investment of £500 in repairing the castle. This was in part in response to French raids on England's southern coast during the Hundred Years' War as England's fortunes in the
Castles and Town Walls of King Edward in Gwynedd to conduct negotiations with the king. Henry Percy took an oath in the castle chapel to protect the king if he agreed to leave the castle, but when Richard left he was promptly taken prisoner, and was taken away to die later in captivity at Pontefract Castle. Tensions between the Welsh and the English persisted and spilled over in 1400 with the outbreak of the Glyndŵr Rising. At the start of the conflict, Harlech's garrison was badly equipped, and Conwy had fallen into disrepair. Conwy Castle was taken at the start of the conflict by two Welsh brothers, who took