What is the name of the upper house of the United Kingdom's Parliament?

The upper house of the United Kingdom’s Parliament is the House of Lords.

The UK Parliament is bicameral: the elected House of Commons is the lower house, while the House of Lords is the upper chamber. Both meet at the Palace of Westminster in London. The Lords scrutinises proposed laws, debates public policy and can suggest amendments, but its power to block most legislation is limited.

The chamber developed from the medieval Great Council. By the reign of Edward III in the 14th century, Parliament had clearly separated into the Lords and Commons. Today, most members are life peers appointed by the monarch on the prime minister’s advice, alongside up to 26 Church of England bishops known as Lords Spiritual.

A common mix-up is calling the upper house the Senate. “Senate” is used by many other countries, including the United States, but it is not the name of either UK parliamentary chamber. The House of Commons is the lower house, not the upper one.