The present church, built in the early English style, dates from the mid-13th century.
The 15th-century three-stage west tower is 85.75 feet (26.14 m) high and houses a set of eight bells and a carillon.
The original Norman Church was small and occupied the site of the present nave.
[1] The oratory was demolished c.1250 and replaced by a church with tower, nave, south aisle and chancel built in the Early English style.
[2] In the 14th century Walter le Deneis (the Danish Man) founded a Chantry Chapel at Trewyn, about 0.5 miles (0.80 km) north of the Church.
The Deneis, or Dennis, family held the manors of Pancrasweek, Manworthy and Trewyn.
The principal duty of a chantry priest was to say Mass daily for the souls of the founder family.
Internally, the window dressings and the arches of the north aisle are of Corsham Bath stone.
[2] The floor is laid with encaustic tiles by Maw & Co.[3] Externally it is higher than the nave.
[3] The chancel is divided from the organ chamber by a pointed arch on carved stone corbels.
It was the gift of the children of Mrs Mary Elizabeth Aspinall, late of Waterloo House, Holsworthy, and is dedicated to her memory.
[5] The Reredos depicts St Peter and figures with shields that carry eight symbols of the Passion Story.
[1] The three-light litany window, c.1883, on the west wall has stained glass by Clayton and Bell of London.
On the west wall there is a Norman capital of a colonnette above which is a carved stone panel depicting the Agnus Dei thought to be the centre of a tympanum.
[2] The mid-15th century, three stage crenellated west tower is constructed of local stone and has four Crocketed Pinnacles.
The clock used to be wound daily by hand by three separate movements; one each for the hours, minutes and the chimes.
Bell 5 'Given by the family of the late Rector, Owen Lewis Meyrick, consisting of two sons and four daughters, 1826.'
[3] Over the next two years it was restored and enlarged by the organ builders Geek and Sons of Launceston, Cornwall.
[10] On 27 June 1867 the organ was opened by Mr W B Gilbert of London whom the Western Times described as "one of the best organists of the day".