St Stephen's Chapel
St Stephen's Chapel, sometimes called the Royal Chapel of St Stephen, was a chapel in the old Palace of Westminster which served as the chamber of the House of Commons of England and that of Great Britain from 1547 to 1834. It was largely destroyed in the fire of 1834, but the Chapel of St Mary Undercroft in the crypt survived.
The present-day St Stephen's Hall and its porch, which are within the new Palace of Westminster built in the 19th century, stand on exactly the same site and are today accessed through the St Stephen's Entrance, the public entrance of the House of Commons.
As a Royal Chapel
According to Cooke (1987), King Henry III witnessed the consecration of the Sainte Chapelle in Paris in 1248, and wished to construct a chapel in his principal palace at Westminster to rival it. Work continued for many years under Henry's successors, to be completed around 1297. In the resulting two-storey chapel, the Upper Chapel was used by the Royal Family, and the Lower Chapel, by the Royal Household and courtiers.
Two royal weddings are recorded as having been solemnised in St Stephen's Chapel. On 20 January 1382, King Richard II was married to Anne of Bohemia. The bridegroom was aged 15, the bride 16. The other royal wedding occurred on 15 January 1478, between the younger of the two Princes in the Tower, Richard, Duke of York, and Anne Mowbray.  At 4 years old, she was a year younger than Richard. At the age of eight, Anne Mowbray died. Almost five centuries later, her coffin was discovered in a church in Stephney in 1964, and her remains reinterred in Westminster Abbey.
After the death of King Henry VIII the Palace of Westminster ceased to be a royal residence. Henry's son, King Edward VI instituted the Abolition of Chantries Act, 1547 and St Stephen's Chapel thus became available for use as the debating chamber of the House of Commons.
In 1911, on the night before the 1911 census, Emily Davison spent the night in the broom cupboard in the back of the crypt in order to be able to say her address was the House of Commons, despite not being allowed to stand for Parliament or indeed vote. In 2011 a plaque was placed on the cupboard to commemorate this.
As the House of Commons Chamber
The former Chapel's layout and functionality influenced the positioning of furniture and the seating of Members of Parliament in the Commons. The Speaker's chair was placed on the altar steps - arguably the origin of the tradition of Members bowing to the Speaker, as they would formerly have done to the altar. Where the lectern had once been, the Table of the House was installed. The Members sat facing one another in the medieval choir stalls, creating the adversarial seating plan that persists in the chamber of the Commons to this day. The old choir screen, with its two side-by-side entrances, was also retained and formed the basis of the modern voting system for parliamentarians, with "aye" voters passing through the right-hand door and "no" voters passing through the left-hand one.
In order to suit the needs of the House of Commons, various changes to the chapel's original gothic form were made by architects such as Sir Christopher Wren and James Wyatt between 1547 and 1834. The building was significantly reduced in height by the removal of the clerestory, with other alterations also being made to the exterior. Inside, the walls were reduced in thickness to accommodate extra seating, and the grand interior decorations were concealed behind wainscoting and oak panelling. A lower false ceiling was installed in the chamber to help to improve its acoustics, the quality of which was important in an age without artificial amplification. More seating was added for the extra Members brought in by the Acts of Union with Scotland (1707) and Ireland (1800), including an upper-level gallery. By the 19th century, the chapel's interior had a very bland and modest look in contrast to its former medieval magnificence.
Fire and reconstruction
The fire of 1834 totally destroyed the main body of the chapel with the crypt below and the adjoining cloisters barely surviving. Amongst the few furnishings rescued from the flames was the Table of the House which is now kept in the Speaker's apartments at the palace. The historical importance of the chapel was realised in the design of the new palace in the form of St Stephen's Hall, the lavishly-decorated main public entrance hall built on the same floor plan as the old chapel with the position of the Speaker's chair marked out on the floor.
The crypt below St Stephen's Hall, the Chapel of St Mary Undercroft, which had fallen into disuse some time before the fire, was restored and returned to its former use as a place of worship. It is still used for this purpose today. In particular, children of peers, who possess the title of "The Honourable", have the privilege of being able to use it as a wedding venue. In addition, members of parliament and peers have the right to use the chapel as a place of christening.
- Maurice Hastings, St Stephen's Chapel and its Place in the Development of Perpendicular Style in England (1955)
- Sir Robert Cooke, The Palace of Westminster (London: Burton Skira, 1987)
- John Steane, The Archaeology of Medieval England and Wales (1985, ISBN 0709923856), p. 7
- Anne of Bohemia, Reformation Society website. Retrieved 11 July 2011.
- Anne Mowbray, Duchess of York from Westminster Abbey website. Retrieved 11 July 2011.
- "1483-The Year of Three Kings". Retrieved 11 July 2011.
- Stephen Taylor, From Cranmer to Davidson: A Church of England Miscellany (1999, ISBN 0851157424), p. 3
- Kenneth R. Mackenzie, Parliament (1962), p. 29
- The gentleman's magazine and historical chronicle, vol. 80, Part 1 (1810), p. 4
- William Kent, An Encyclopaedia of London (1951), p. 639
- Kim Dovey, Framing Places: Mediting Power in Built Form (1999), p. 87
- GAnthony Emery, reater Medieval Houses of England and Wales, 1300-1500, vol. 3 (2006), p. 256
- J. N. Spellen, The Inner Life of the House of Commons (1854), p. 6
- Emma Crewe, Lords of Parliament: Manners, Rituals and Politics (2005, ISBN 0719072077), p. 97
- BBC News 16-4-13