The oldest part of the Houses of Parliament is Westminster Hall. Parts of this were built by William Rufus who succeeded William the Conqueror. But most of it was built by a famous architect called Henry Yevele between 1394 and 1399.

• 议会大厦的最古老部分是西敏斯特大厅，它是由威廉一世的继承人威廉·鲁弗斯修建的，但大部分是由一位名叫亨利·耶维尔的著名建筑家于1394年至1399年之间建造的。