Undercroft
Encyclopedia
An undercroft is traditionally a cellar or storage room, often brick-lined and vaulted
Vault (architecture)
A Vault is an architectural term for an arched form used to provide a space with a ceiling or roof. The parts of a vault exert lateral thrust that require a counter resistance. When vaults are built underground, the ground gives all the resistance required...

, 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 to the sides, but covered by the building above.

History

While some were used as simple storerooms, others were rented out as shops. For example, the undercroft rooms at Myres Castle
Myres Castle
Myres Castle is a Scottish castle situated in Fife near the village of Auchtermuchty . Its history is interleaved with that of nearby Falkland Palace with present day castle construction dating to 1530...

 in Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 circa 1300 were used as the medieval kitchen and a range of stores. Many of these early medieval undercrofts were vaulted or groined, such as the vaulted chamber at Beverston Castle
Beverston Castle
Beverston Castle, also known as Beverstone Castle, was originally constructed as a medieval stone fortress and is situated in the village of Beverston, Gloucestershire, England. The castle was founded in 1229 by Maurice de Gaunt...

 or the groined stores at Myres Castle
Myres Castle
Myres Castle is a Scottish castle situated in Fife near the village of Auchtermuchty . Its history is interleaved with that of nearby Falkland Palace with present day castle construction dating to 1530...

. The term is sometimes used to describe a crypt
Crypt
In architecture, a crypt is a stone chamber or vault beneath the floor of a burial vault possibly containing sarcophagi, coffins or relics....

 beneath a church, used for burial purposes. For example, there is a 14th century undercroft or crypt extant at Muchalls Castle
Muchalls Castle
Muchalls Castle stands overlooking the North Sea in the countryside of Kincardine and Mearns, Aberdeenshire, Scotland. The lower course is a well preserved double groined 13th century towerhouse structure, built by the Frasers of Muchalls. Upon this structure, the 17th century castle was begun by...

 in Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, even though the original chapel above it was destroyed in an act of war in 1746.

Undercrofts were commonly built in England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 and Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 throughout the thirteenth and early fourteenth centuries. They occur in cities such as London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, Chester
Chester
Chester is a city in Cheshire, England. Lying on the River Dee, close to the border with Wales, it is home to 77,040 inhabitants, and is the largest and most populous settlement of the wider unitary authority area of Cheshire West and Chester, which had a population of 328,100 according to the...

 and Southampton
Southampton
Southampton is the largest city in the county of Hampshire on the south coast of England, and is situated south-west of London and north-west of Portsmouth. Southampton is a major port and the closest city to the New Forest...

. The undercroft beneath the Houses of Parliament
Palace of Westminster
The Palace of Westminster, also known as the Houses of Parliament or Westminster Palace, is the meeting place of the two houses of the Parliament of the United Kingdom—the House of Lords and the House of Commons...

 in London was rented out to the conspirators behind the Gunpowder Plot
Gunpowder Plot
The Gunpowder Plot of 1605, in earlier centuries often called the Gunpowder Treason Plot or the Jesuit Treason, was a failed assassination attempt against King James I of England and VI of Scotland by a group of provincial English Catholics led by Robert Catesby.The plan was to blow up the House of...

.

In modern buildings, the term undercroft is often used to describe a ground-level parking area that occupies the footprint of the building (and sometimes extends to other service or garden areas around the structure). This type of parking is, however, discouraged by some urban design
Urban design
Urban design concerns the arrangement, appearance and functionality of towns and cities, and in particular the shaping and uses of urban public space. It has traditionally been regarded as a disciplinary subset of urban planning, landscape architecture, or architecture and in more recent times has...

guidelines, as it prevents the ground floor from having activities (shops, restaurants or similar) that provide for a lively streetscape.

Another modern use of the term is to describe the rooms alongside swimming pool tanks, below ground level, that carry filtration services and the like.
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