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
Francis Walsingham graves lost. In his will, dated 12 December 1589, Walsingham complained of "the greatness of my debts and the mean state [I] shall leave my wife and heirs in", but the true state of his finances is unclear. He received grants of land from the Queen, grants for the export of cloth and leases of customs in the northern and western ports. His primary residences, apart from the court, were in Seething Lane by the Tower of London (now the site of a Victorian office building called Walsingham House), at Barn Elms in Surrey and at Odiham in Hampshire. Nothing