In Westminster Hall the favourite heraldic badge of Richard II a white hart chained and in an attitude of rest is repeated eighty-three times without any of them being an exact copy of another. Westminster Hall 1097 and still standing. Palace Of Westminster Wikipedia Parliament the law courts and various government offices have developed around the. . Westminster Hall is the oldest existing part of the Palace of Westminster erected in 1097 and at the time the largest hall in England and probably in Europe. The major institutions of the British state. The largest clearspan medieval roof in England Westminster Halls roof measures 207 by 732 metres 68 by 240 ft. Part of the Palace of Westminster today it is the meeting place of the Houses of Parliament. The hall has a long and rich history. 18 hours agoWestminster Hall was built in 1097 under William II the son of William the Conqueror and completed two years later.