It remains an active parish church and a Grade II* listed building.

It is possible that a very early Christian congregation worshipped at Caerwent in the Roman period, although there is no evidence that this settlement was on the site of the present church.

[2] In 1992, a pre-Norman cross-head was discovered near the site[3] indicating the presence of a Christian church predating the Norman Conquest.

[3] It remains an active church in the parish of Caerwent and Dinham[4] and is a Grade II* listed building.

[3] It contains a significant number of Roman artefacts, including an altar dedicated to the god Mars, dating from AD 152.