G.E. Street remodeled the chapel in 1877-78.
1882 interior drawing
The chapel was heavily damaged by bombing during World War II, first during the blitz in 1940 and 1941, and then more seriously in 1944 when 121 soldiers and civilians were killed.
It was rebuilt in the early 1960s and the chancel mosaic can still be seen in the original chancel, which had remained intact.
The chancel is decorated with three scenes: the Bearing of the Cross, the Crucifixion and the Descent from the Cross. John Clayton designed the cartoons for the mosaics, which were executed by Salviati and Burke.
London Wellington Barracks. Royal Military Chapel, Wellington Barracks. London: Hatchards, Piccadilly, 1882. 76.
"The Royal Military Chapel Wellington Barracks." The Architect. May 29, 1879. 331.
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The Guards Chapel Tragedy