|Braathen Dendrokronologiska Undersökningar|
Skälvum, a freestone church with an apse and an ornamental portal arch and other high quality stonework. The roof structure dates the church.
A bore-core of oak from the south capping piece of the nave has an outermost annual ring which was adjacent to bark and was grown in 1134. The felling year might have been in the cold season 1134 - 1135.