The Chapel of St Mary Undercroft is a

Church of England The Church of England (C of E) is the established Christian church in England and the mother church of the international Anglican Communion. It traces its history to the Christian church recorded as existing in the Roman province of Brit ...

chapel located in the

Palace of Westminster The Palace of Westminster serves as the meeting place for both the House of Commons and the House of Lords, the two houses of the Parliament of the United Kingdom. Informally known as the Houses of Parliament, the Palace lies on the north b ...

, London, England. The chapel is accessed via a flight of stairs in the south east corner of

Westminster Hall The Palace of Westminster serves as the meeting place for both the House of Commons of the United Kingdom, House of Commons and the House of Lords, the two houses of the Parliament of the United Kingdom. Informally known as the Houses of Parli ...

. It had been a

crypt A crypt (from Latin '' crypta'' " vault") is a stone chamber beneath the floor of a church or other building. It typically contains coffins, sarcophagi, or religious relics. Originally, crypts were typically found below the main apse of a c ...

below St Stephen's Chapel and had fallen into disuse, being used at various times as a wine cellar, dining room for

Speaker Speaker may refer to: Society and politics * Speaker (politics), the presiding officer in a legislative assembly * Public speaker, one who gives a speech or lecture * A person producing speech: the producer of a given utterance, especially: ** In ...

s (who had holes bored into the wall to accommodate two kitchen chimneys) and (now unconfirmed by records) stables for

Oliver Cromwell Oliver Cromwell (25 April 15993 September 1658) was an English politician and military officer who is widely regarded as one of the most important statesmen in English history. He came to prominence during the 1639 to 1651 Wars of the Three ...

's horses.Website www.parliament.uk After the fire had destroyed St Stephen's Chapel in 1834, the

undercroft An undercroft is traditionally a cellar or storage room, often brick-lined and vaulted, and used for storage in buildings since medieval times. In modern usage, an undercroft is generally a ground (street-level) area which is relatively open ...

returned to its former use as a place of worship. Although much stonework was damaged in the fire, it was decorated in the 1860s by

Edward Middleton Barry Edward Middleton Barry RA (7 June 1830 – 27 January 1880) was an English architect of the 19th century. Biography Edward Barry was the third son of Sir Charles Barry, born in his father's house, 27 Foley Place, London. In infancy he was ...

with gilded, painted and stenciled designs in rich colours to cover the walls, floor and vaulting. The backdrop of the altar depicts royal British saints. On the census night of 2 April 1911,

suffragette A suffragette was a member of an activist women's organisation in the early 20th century who, under the banner "Votes for Women", fought for the right to vote in public elections in the United Kingdom. The term refers in particular to member ...

Emily Davison Emily Wilding Davison (11 October 1872 – 8 June 1913) was an English suffragette who fought for votes for women in Britain in the early twentieth century. A member of the Women's Social and Political Union (WSPU) and a militant figh ...

hid in a cupboard overnight in the Chapel in order to be entered on the census form for the building as a way of ensuring her address was recorded as the House of Commons. A commemorative plaque, unveiled by

Tony Benn Anthony Neil Wedgwood Benn (3 April 1925 – 14 March 2014), known between 1960 and 1963 as Viscount Stansgate, was a British politician, writer and diarist who served as a Cabinet minister in the 1960s and 1970s. A member of the Labour Party, ...

in 1999, is fixed to the inside face of the cupboard door. It is still used for worship today. In particular, children of peers, who possess the title of "

The Honourable ''The Honourable'' (British English) or ''The Honorable'' ( American English; see spelling differences) (abbreviation: ''Hon.'', ''Hon'ble'', or variations) is an honorific style that is used as a prefix before the names or titles of certa ...

", have the privilege of being able to use it as a wedding venue. In addition, peers and members of Parliament have the right to use the chapel as a place of christening in the

baptistery In Christian architecture the baptistery or baptistry (Old French ''baptisterie''; Latin ''baptisterium''; Greek , 'bathing-place, baptistery', from , baptízein, 'to baptize') is the separate centrally planned structure surrounding the baptism ...

and font (whose basin was made from a single slab of

alabaster Alabaster is a mineral or rock that is soft, often used for carving, and is processed for plaster powder. Archaeologists and the stone processing industry use the word differently from geologists. The former use it in a wider sense that include ...

) designed by Barry. It is a

Royal Peculiar A royal peculiar is a Church of England parish or church exempt from the jurisdiction of the diocese and the province in which it lies, and subject to the direct jurisdiction of the monarch, or in Cornwall by the duke. Definition The church pa ...

chapel – outside the responsibility of any diocesan bishop. The building is administered through the

Lord Great Chamberlain The Lord Great Chamberlain of England is the sixth of the Great Officers of State, ranking beneath the Lord Keeper of the Privy Seal and above the Lord High Constable. The Lord Great Chamberlain has charge over the Palace of Westminster (tho ...

and

Black Rod Black Rod (officially known as the Lady Usher of the Black Rod or, if male, the Gentleman Usher of the Black Rod) is an official in the parliaments of several Commonwealth countries. The position originates in the House of Lords of the Parlia ...

and it has no dedicated clergy: by convention services were conducted by the Rector of

St Margaret's, Westminster The Church of St Margaret, Westminster Abbey, is in the grounds of Westminster Abbey on Parliament Square, London, England. It is dedicated to Margaret of Antioch, and forms part of a single World Heritage Site with the Palace of Westminster ...

, a member of the Chapter of

Westminster Abbey Westminster Abbey, formally titled the Collegiate Church of Saint Peter at Westminster, is an historic, mainly Gothic church in the City of Westminster, London, England, just to the west of the Palace of Westminster. It is one of the United ...

. In 2010 the Speaker of the House of Commons used his right of appointment to nominate an outsider, Rev'd

Rose Hudson-Wilkin Rose Josephine Hudson-Wilkin, (born 19 January 1961) is a British Anglican bishop, who has been suffragan Bishop of Dover in the diocese of Canterbury - deputising for the Archbishop - since 2019: she is the first black woman to become a Chur ...

, as the Speaker's Chaplain. The body of former Prime Minister

Margaret Thatcher Margaret Hilda Thatcher, Baroness Thatcher (; 13 October 19258 April 2013) was Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the first female British prime ...

was kept in St Mary Undercroft on the night before her funeral in April 2013. The honour was also accorded for the body of

, the long-serving Labour politician, before his funeral in March 2014, as well as that of PC Keith Palmer who was fatally stabbed carrying out his duties on the palace grounds during the

2017 Westminster attack On 22 March 2017, a terrorist attack took place outside the Palace of Westminster in London, seat of the British Parliament. Khalid Masood, a 52-year-old Briton, drove a car into pedestrians on the pavement along the south side of Westminster ...

References

{{Royal Peculiars

London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...

Palace of Westminster Church of England church buildings in the City of Westminster Grade I listed churches in the City of Westminster Margaret Thatcher Tony Benn