The north transept displays a 13th-century stained-glass window showing scenes from the lives of the saints Thomas Becket, George and Blaise.

It was under this act that saints Thomas More and John Fisher were executed and became martyrs to the Catholic faith.

The main altar once had statues of Saints Thomas and Peter (1616) sculpted in marbel by Girolamo Campagna.

He earned a Doctor of Divinity degree following a public disputation, in which he underwent the same test made by Saints Thomas Aquinas and Bonaventure at the University of Paris in the thirteenth century.

The figures on the predella (just below the center panel) are from the left: Saints Thomas Becket, Joan of Arc, St. Mary the Virgin, Francis of Assisi, and Demetrius of Alexandria.

A new high altar was installed, designed by David John who was also responsible for the bronze reliquary underneath containing relics of Roman and English martyrs, including Saints Thomas More and Saint Edmund Campion.

Subjects include both Christian and secular themes, e.g. the legend of Tristan and Isolde, several saints' stories (including Saints Thomas, Anne and Elizabeth), as well as the Mirror of Human Salvation.

The Martyrs of Thane were canonized by Pope Leo XIII and are Saints Thomas of Tolentino, James of Padua, Peter of Siena and Demetrius of Tiflis.

Jesus is predicting that his betrayer will take the bread at the same time he does to Saints Thomas and James to his left, who react in horror as Jesus points with his left hand to a piece of bread before them.