Walden Castle Walden Castle Walden Castle was a medieval castle in Essex, England, built during the Anarchy of the 12th century. Only the ruined core of the structure remains today. Walden Castle was built in the town of Saffron Walden in Essex at the start of the civil war known as the Anarchy by Geoffrey de Mandeville, with much of the work occurring between 1141 and 1143. It was one of several castles built by de Mandeville to reinforce his power across the region. The castle stood on a natural high point within the town () and had a square Norman keep
Saffron Hill very narrow and muddy, and the air was impregnated with filthy odours". Saffron Hill is mentioned in the Arthur Conan Doyle Sherlock Holmes story "The Adventure of the Six Napoleons", as the Italian Quarter where the Venucci family can be found. Saffron Hill formed part of the liberty of Saffron Hill, Hatton Garden, Ely Rents and Ely Place which became part of the County of London in 1889. It was abolished in 1900 and formed part of the Metropolitan Borough of Holborn until 1965. Saffron Hill has become more residential in recent years with the building of several blocks of