Wisbech Castle been continuously inhabited for nearly a thousand years. Mr and Mrs Gordon Fendick bought the property and, in the 1960s, passed ownership to Isle of Ely County Council this became the Cambridgeshire and Isle of Ely County Council, then Cambridgeshire County Council. The Castle was used as a Professional Development Centre, providing a venue for meetings and training. School visits took place and the property is licensed for Civil Weddings. It has been registered as an asset of community value. In February 2018, Wisbech Town council took over the running of the site. The Wisbech Castle Project is run by
Wisbech authentic references to Wisbech occur in a charter dated 664 granting the Abbey at Medehamstead (now Peterborough) land in Wisbech and in 1000, when Oswy and Leoflede, on the admission of their son Aelfwin as a monk, gave the vill to the monastery of Ely. In 1086, when Wisbech was held by the abbot, there may have been some 65 to 70 families, or about 300 to 350 persons, in Wisbech manor. However, Wisbech, which is the only one of the Marshland vills of the isle to be mentioned in the "Domesday Book", probably comprised the whole area from Tydd