Construction continued at a steady rate until 1330. ... to cause 100 suitable masons experienced in such work as the king is engaged upon at Kaernaruan to be chosen in the town of Chester and in other parts within his bailiwick, and to cause them to come with their tools to Kaernaruan without delay, there to do what Edmund the king's brother shall enjoin upon them, as the king needs masons for his work there at once A letter to the Earl of Chester in 1295, asking him to urgently send masons to Caernarfon.
Byggeriet fortsatte støt indtil 1330. ... to cause 100  suitable masons experienced in such work as the king is engaged upon at Kaernaruan to be chosen in the town of Chester and in other parts within his bailiwick, and to cause them to come with their tools to Kaernaruan without delay, there to do what Edmund the king's brother shall enjoin upon them, as the king needs masons for his work there at once Et brev til jarlen af Chester i 1295 med bøn til ham om hyrtigst muligt at sende stenhuggere til Caernarfon.