Blenheim Palace Blenheim Palace Blenheim Palace (pronounced ) is a monumental country house in Blenheim, Oxfordshire, England. It is the principal residence of the Dukes of Marlborough, and the only non-royal, non-episcopal country house in England to hold the title of palace. The palace, one of England's largest houses, was built between 1705 and 1722, and designated a UNESCO World Heritage Site in 1987. The palace is named for the 1704 Battle of Blenheim, and thus ultimately after Blindheim (also known as Blenheim) in Bavaria. It was originally intended to be a reward to John Churchill, 1st Duke of Marlborough for his
Blenheim Palace great parterre and spoils of his conqueror (rather in the same way as severed heads were displayed generations earlier). The Duke did not live long enough to see this majestic tribute realised, and sit enthroned in this architectural vision. The Duke and Duchess moved into their apartments on the eastern side of the palace, but the entirety was not completed until after the Duke's death. The palace has been Grade I listed on the National Heritage List for England since August 1957. The palace chapel, as a consequence of the Duke's death, now obtained even greater importance. The design was