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 Canal George III. Cap. 92) which was granted on 9 May 1794. This Act formed "The Wisbech Canal Company", which had powers to raise £14,000, with an option to raise an additional £6,000 if required. This was to be used to construct the canal which ran from a junction with the River Nene at Wisbech, to a junction with the Well Creek and the Old River Nene at Outwell. The Well Creek connects to the Great Ouse. In addition, the company had powers to maintain and improve the river from Outwell Church to Salter's Lode Sluice on the Old River Nene.