Luton Parish Church

The earliest church at this location was built in the 12th century, with expansions and renovations taking place up to the present day.

The Salviati mosaic reredos of the Last Supper based on DaVinci's fresco was unveiled on Easter Sunday in 1883.

Sources:
Wikipedia
The Builder. April 28, 1883. 587.
Old Photographs of Luton in Bedfordshire
St. Mary's Luton
Encyclopaedia Brittanica
Instalec