Medieval London

Stained Glass Window

Dublin Core


Stained Glass Window


Ecclesiastical Objects, Building Materials


Between the years 1150 and 1500, the art of stained glass windows spread throughout Europe. In England, stained glass windows were created in the Gothic style that dominated the era of the Middle Ages.  The popularity of the Gothic style created the opportunity for stained glass windows to exist because pointed arches and flying buttresses gave the necessary support needed to install windows high into the wall.  Stained glass windows were primarily made for places of worship.  Cathedrals and churches operated as central places in the spiritual and social lives of the medieval people; therefore, nearly everyone in London was familiar with stained glass windows.

The industry of glassmaking flourished due to the rise of Gothic architecture. Glassmaking is a highly-skilled art form; medieval glassmakers studied for years to become experts. Seventy-eight known glassmaking sites existed in medieval England, most of them located north of London. (However, “crystal” or clear glass was made strictly in London at the end of the medieval period due to the immigration of Italian techniques.)  The practice of creating stained glass windows advanced throughout the Middle Ages.  In On Diverse Arts (written in the early twelfth century)the German monk Theophilus – who was also a metalworker – affectionately and meticulously described the techniques used for fashioning stained glass.  A sand and a wood ash mix, called potash, were the fundamental components for glass. Potash would be melted and then cooled.  Certain powders were added to the sand and potash while the mixture was molten, a process that effectively colored the glass.  To create a picture within the stained glass, different colored glasses would be laid out over a board with a design already drawn out, then the pieces were connected together by a process called leading.  To add finer detail, the metalworker or artist would carefully draw on the colored glass with black paint to create shadows and delicate lines.  

Stained glass windows were supposed to help beautify medieval churches, though they were much more than art and decoration to medieval Christians. Scholars, such as Herbert Read, who have studied the iconography of stained glass, believes that these windows were the main physical interpretations of central themes and stories of Christianity from which the majority of medieval people drew their understanding of their faith.  As the majority of the population was illiterate, the clergy relied on stained glass windows to communicate important Christian lessons to their congregation. Therefore, stained glass windows were not only pretty forms of illuminations, but they also possessed a didactic purpose for parishioners in medieval London. 
Whole pieces of stained glass from the Middle Ages have been difficult to find, as much of them were destroyed during the Reformation to “cleanse” England of its Roman Catholic heritage.  Luckily, a few pieces (usually windows that were installed high up, such as Rose Windows) survived.  The dimensions of this piece of stained glass are 20 inches in height and 7.25 inches in width.  This piece is located at the Victorian & Albert museum, room 84, case BAY2.  It was made in England (location of make, where it was installed, and its artist are unknown) during the early fifteenth century.  Depicting Saint John the Evangelist, this stained glass window is classified as a panel, as it is apart of a larger piece of stained glass artwork.  This panel is a tracery light, a wide strip of stained glass located in the higher openings of a larger window.  The colors of the stained glass window contain various tones of blue, yellow, gold, and red.  Saint John the Evangelist is one of the Twelve Apostles of Jesus, one of the men responsible for spreading the Christian faith throughout the world after the Ascension of Jesus Christ.  The words PASSUS SUB PONTIO PILATO are inscribed above the saint’s head.  These Latin words translate to “he suffered under Pontius Pilate,” a line from the Apostles’ Creed referring to when Jesus was sentenced to death by Pontius Pilate.  In Saint John’s hand, he is holding a golden cup with a dragon rising from the top.  This is an attribute of Saint John, for in one narrative he discredits the pagan gods by turning a cup of poisoned wine into a dragon by blessing the cup with the sign of the cross.  Stained glass windows contain symbols such as these that would have been obvious in their meaning and value to medieval English people, who were educated in the tenets of their faith by attending church.


Baker, John. English Stained Glass. London: Thames and Hudson, 1960.

English Heritage. “Introduction to Heritage Assets: Medieval and Early Posy-Medieval Glassworks.” October 2012. Accessed February 13, 2014.

Frinta, Mojmir S. “A Note on Theophilus, Makes of Many Wonderful Things,” The Art Bulletin 46 (2014): 525.

The Metropolitan Museum of Art. “Stained Glass in Medieval Europe.” Heilbrunn Timeline of Art History. Last modified 2015. Accessed February 1, 2014,

Raguin, Virginia Chieffo. The History of Stained Glass: The Art of Light Medieval to Contemporary. London: Thames & Hudson, 2003. 


Late Medieval (1300-1485)


Bernadette Corbett


Still Image

Collection Items

Stained Glass Window
The dimensions of this piece of stained glass are 20 inches in height and 7.25 inches in width. This piece is located in the Victorian & Albert museum, room 84, case BAY2. It was made in England (location of make, where it was installed, and…

Design for Stained Glass (1560)
An example of a design for a stained glass pattern on paper. Not many examples of these types of designs can be found today.

Annunciation of the Virgin, Stained Glass, Westminster Abbey
This example of a stained glass window is a main-light panel. Originally at Westminster Abbey, the scene appears to portray the Annunciation of the Virgin Mary.

A Saint being Stoned, Stained Glass, Westminster Abbey
This stained glass was originally found at Westminster Abbey. It is a main-light panel possibly depicting a saint being stoned.
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