Newgate Prison Newgate Prison Newgate Prison was a prison at the corner of Newgate Street and Old Bailey just inside the City of London, England, originally at the site of Newgate, a gate in the Roman London Wall. Built in the 12th century and demolished in 1904, the prison was extended and rebuilt many times, and remained in use for over 700 years, from 1188 to 1902. In the early 12th century, Henry II instituted legal reforms that gave the Crown more control over the administration of justice. As part of his Assize of Clarendon of 1166, he required the construction of
Newgate Prison prisons, where the accused would stay while royal judges debated their innocence or guilt and subsequent punishment. In 1188, Newgate was the first institution established to meet that purpose. A few decades later in 1236, in an effort to significantly enlarge the prison, the king converted one of the Newgate turrets, which still functioned as a main gate into the city, into an extension of the prison. The addition included new dungeons and adjacent buildings, which would remain unaltered for roughly two centuries. By the 15th century, however, Newgate was in need of repair. The building was collapsing and decaying,