Chislehurst its earlier format corresponded to the letters IMP (for "imperial"). The Chislehurst civil parish formed an urban district of Kent from 1894 to 1934. In 1934 it became part of the Chislehurst and Sidcup Urban District, which was split in 1965 between the London boroughs of Bromley and Bexley. The Walsingham family, including Christopher Marlowe's patron, Sir Thomas Walsingham and Queen Elizabeth I's spymaster, Francis Walsingham, had a home in Scadbury Park, now a nature reserve in which the ruins of the house can still be seen. A water tower used to straddle the road from Chislehurst to Bromley until
John Ballard (Jesuit) the plot had been discovered and nurtured by Queen Elizabeth's spymaster Francis Walsingham from the start. Indeed, Ballard's inseparable companion and fixer, Barnard Maude, who travelled everywhere with him, was a government spy. The plot was manipulated by Walsingham in order to bring about his primary objective: the downfall of Mary, Queen of Scots. When Mary gave her consent to the plot by replying to a letter sent to her by Babington, her days were numbered. With this vital piece of evidence in his possession, Walsingham had Ballard and the other conspirators arrested. Ballard was tortured. The conspirators were tried