Thornbury is a village in the NE of the county, 7 miles E of Leominster and a mile S of the border with Shropshire. It is a small, compact village at the foot of Wall Hills, with its hillfort, and the church stands at its centre. St Anna's has a chancel rebuilt by F. R. Kempson, in 1865-66, with a N vestry and organ niche; a long aisleless nave with a N wall in which are a window and a blocked doorway of 12thc date. The S wall has a 13thc doorway under a 19thc porch. At the W end is a massive, unbuttressed 13thc tower with a pyramid roof. Romanesque features are the N doorway and a tub font.

The main manor of Thornbury was held by Siward in 1066 and by Alvred d'Epaignes in 1086. It was assessed at 6 hides. Alvred also held 1 hide that had been 3 manors in 1066, held by Leofric, Lyfing and Earnwig in 1066, but was waste in 1086.

The font and doorway are simply carved (Pevsner describes the capitals as primitive), but might be somewhat later than this suggests - mid-12thc rather than early - based on the use of point-to-point chevron and the spurred bases.