[1] Archaeologist and art history professor Markus Hiekkanen has shown that construction of the current brick building spanned the period from 1472 to 1490 and that the building did not date to the 14th century, as previously thought.

[2] Unique for having been built almost entirely of brick rather than stone, the church was a popular pilgrimage destination during the Middle Ages.

[1] The church contains paintings from the years 1510 through 1922, as well as 40 wooden sculptures dating to the first half of the 14th century.

The Hattula church is known for its lime paint frescoes done in late Gothic style, likely completed by the same group of artists who later painted the St. Lars church in Lohja (Finnish: Pyhän Laurin kirkko).

This article about a church building or other Christian place of worship in Finland is a stub.