Theresa Berkley died in September 1836. The exact cause of her death is not widely documented. Her passing marked the end of an era for her brothel, although its immediate fate is uncertain.

After her death, Theresa Berkley's reputation as a prominent dominatrix and brothel owner persisted. Her name became synonymous with the specialized practices she offered, and her 'Berkley Horse' became a symbol of that era. The longevity of her fame speaks volumes about the impact she had on the darker corners of London society.