Old John the upper floor, and is open to visitors on the park's guided walk programmes. In 2001, Bradgate Park Trust registered the design of the building as a trademark, and in 2018 told a local artist that she would have to pay them if she continued to sell her paintings of it. Adjacent to the tower is a toposcope installed in 1953. This was installed by the people of Newtown Linford from money raised at the 1953 'Pageant of Lady Jane Grey', performed to celebrate 400 years since she was proclaimed Queen of England. Old John Tower occupies the north-eastern end
House of Tudor when Edward VI died on 6 July 1553 from his battle with tuberculosis, Lady Jane was proclaimed queen. However, the popular support for the rightful successor Mary – even though she was Catholic – overruled Northumberland's plans, and Jane, who had never wanted to accept the crown, was deposed after just nine days. Mary's supporters joined her in a triumphal procession to London, accompanied by her younger sister Elizabeth. With the death of Edward VI, the direct male line of the House of Tudor went extinct. Mary soon announced her intention to marry the Spanish prince Philip, son of her