Its benefice is combined with that of St Oswald, Lower or Nether Peover.
[4] During the Second World War, General George Patton and his staff worshipped in the church while they were stationed in Peover Hall.
The south chapel has two bays with three buttresses surmounted by gargoyles and a battlemented parapet.
The north chapel is one of the earliest regular classical buildings in the region.
[1] The south chapel is approached through a porch and contains a canopied tomb with the effigies of Randle Mainwaring in a complete suit of plate armour, his feet resting on a lion and his head on the family crest, and his wife Margery in a long robe and an ornate head-dress.
The Franciscan altar cross, brass candlesticks and hanging lamps are from Florence.
In the main body of the church is the 15th-century font which is set on a base dating from a later period.
On the north wall of the church is a painting of The Boy Daniel by John Rogers Herbert (1810–1890).
[10] Also in the churchyard is a sundial which was constructed in the 19th century using part of the shaft of the original 15th-century cross.