Eton College Chapel is the chapel

Chapel

A chapel is a building used by Christians as a place of fellowship and worship. It may be part of a larger structure or complex, such as a church, college, hospital, palace, prison or funeral home, located on board a military or commercial ship, or it may be an entirely free-standing building,...

 of Eton College

Eton College

Eton College, often referred to simply as Eton, is a British independent school for boys aged 13 to 18. It was founded in 1440 by King Henry VI as "The King's College of Our Lady of Eton besides Wyndsor"....

, an independent school in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.

Never completed due to the Wars of the Roses

Wars of the Roses

The Wars of the Roses were a series of dynastic civil wars for the throne of England fought between supporters of two rival branches of the royal House of Plantagenet: the houses of Lancaster and York...

, the Chapel should have been a little over double its current length; a plaque on a building opposite the West End marks the point to which it should have reached.
The Chapel is built in the late Gothic

Gothic architecture

Gothic architecture is a style of architecture that flourished during the high and late medieval period. It evolved from Romanesque architecture and was succeeded by Renaissance architecture....

 or Perpendicular

Perpendicular

In geometry, two lines or planes are considered perpendicular to each other if they form congruent adjacent angles . The term may be used as a noun or adjective...

 style.

The fan vaulting was installed in the 1950s after the wooden roof (there was no money for a vault to be installed in the 15th century after King Henry VI

Henry VI of England

Henry VI was King of England from 1422 to 1461 and again from 1470 to 1471, and disputed King of France from 1422 to 1453. Until 1437, his realm was governed by regents. Contemporaneous accounts described him as peaceful and pious, not suited for the violent dynastic civil wars, known as the Wars...

 was deposed) became infested with deathwatch beetle.