The present church likely replaced a wooden predecessor from the late twelfth century. The nave and chancel were built in the first half of the thirteenth century, with the tower added somewhat later, around the mid-1200s. A sacristy was not added until 1870, and the church underwent restoration in 1931 and again in 1969–70, the latter uncovering a medieval passion frieze in the nave, thirteenth-century ornamental paintings in the chancel, and a seventeenth-century painting in the triumphal arch.
Built in Romanesque style largely of sandstone, the church has whitewashed walls with limestone corner dressings and steep, board-clad saddle roofs over nave and chancel. The tower carries colonnetted sound openings over two storeys and a short octagonal spire. Of its three doorways, the nave's southern portal serves as the main entrance and retains an old holy-water stoup in its inner recess.
Inside, the nave is covered by two cross-vaults and retains medieval side altars in its north-east and south-east corners, along with the fifteenth-century passion frieze along the south wall. A pointed archway leads into the vaulted chancel, which has four niches, one still fitted with an iron-bound medieval door. Notable furnishings include a thirteenth-century wooden sculpture of the grieving Virgin Mary on the north side altar, a fifteenth-century triumphal crucifix, and an early nineteenth-century round pulpit. The nave window contains stained glass designed by Professor Einar Forseth, installed in 1969, and the altarpiece is a reconstruction of a fourteenth-century retable.
The church's most celebrated association is with the Sundre organ, said to have been built in 1370 by Master Verner of Brandenburg — reputedly the oldest known organ in the world. It no longer stands in the church but is preserved, together with the Norrlanda organ, at the Historical Museum in Stockholm. The current organ in use at Sundre dates from 1843, built by Pehr Zacharias Strand for the Royal Opera in Stockholm, with a smaller mechanical organ added in 1978 and restored in the 2000s.
Just north-east of the church stands a round medieval defensive tower, or kastal, some 15 metres in diameter and 13 metres high, built of hewn sandstone, with a round-arched doorway several metres above ground level and traces of old gun-loops near its top. South-west of the church lie the ruins of a medieval rectory.