The history of the castle spans a millenium. For 300 years it was a fortress and then for the same period a Royal Palace. Since the 17th century it has been in private hands and is now owned by the town. Little remains of it's grandeur save the ancient walls and the gatehouse.
Bibliography: History Of Hertford by Dr.F.M.Page The Book Of Hertford by Cyril Heath Buildings Of Hertford, Hertford Civic Society