The Church of St St Michael and All Angels, is the former parish church of Gwernesney. The church is thirteenth century in origin but with much fifteenth century work. The double bell gable, and more, was restored in 1853–4 by John Pollard Seddon. It is built of Old Red Sandstone.
The interior contains a late medieval screen. The church register of baptisms and burials dates from the year 1758 and that of marriages from 1757.
References:
The first written record of church in Danmark locality date back to the year 1291. Close to the church are several stones with a Christian text and cross inscribed. The oldest parts of the present red-brick church are from the 1300s. In the late 1400s the church was enlarged to the appearance it has today. The church has been modified both internally and externally several times, among other things after the fires in 1699 and 1889. There are lot of well-preserved mural paintings in the walls.