The Annunciation, Chislehurst

Architect James Brooks built this Catholic church 1868-70.

Nathaniel Westlake designed the mosaic tympanum of The Last Judgment that Salviati made in 1890.

Sources:
Bentjeman, John and Richard Surman. Betjeman’s Best British Churches. London: Harper Collins UK, 2011.
Barr, Sheldon. Venetian Glass Mosaics: 1860-1917. London: Antique Collectors' Club, 2008. 136.
The Annunciation Chislehurst
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St. Mary de Crypt Church, Gloucester

This church was built in the 12th century and retains some of its original Norman features.

The reredos, from 1889, was designed by F.S. Waller and carved by H.C. Frith. The mosaic decoration was made by Salviati after cartoons by Nathaniel Hubert John (N.H.J.) Westlake.

Sources:
Verey, David and Alan Brooks. Buildings of England: Gloucestershire. Vol. 2. New Haven: Yale University Press, 2002. 452.
Wikipedia
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Phil Draper, Wishful Thinking 2006