The construction of the parish church in Prabuty was probably carried out from around 1315, i.e. from the town’s foundation, until around 1330, when Bishop Rudolf issued a document renewing the earlier charter.Already in 1375, the church suffered a fire, and once again suffered losses in 1414 during the Polish-Teutonic Hunger War.The church served Catholics until 1525, when after the secularization of Prussia, it was taken over by Protestants. In 1688 the temple was destroyed as a result of a great fire. The effect was a collapsing vault that destroyed the interior and liturgical equipment. Thanks to the efforts of the residents and the authorities, the temple was rebuilt, with a wooden ceiling. In 1807, the Napoleonic troops following the Prussian army had installed a warehouse and a lazaret inside the church. In 1808 the temple was re-consecrated and restored. The nineteenth century and the first half of the twentieth century passed under the sign of peace. The fires that destroyed the city spared the cathedral. Only World War II brought great destruction. The interior of the nave was burned down, the vaults collapsed. Only the massive body of the tower defended itself against the fire caused by Soviet troops. The reconstruction of the cathedral began only in the eighties.
The Gothic church of St. Adalbert originally consisted of a nave, a slightly narrower chancel with a polygonal closure on the eastern side and a massive, rectangular tower attached to it.Additionally, on the northern side of the nave, the entrance was preceded by a Gothic porch. Both the nave and the chancel were reinforced with stepped buttresses, which indicates that the entire interior has been vaulted. The church was to be erected on the model of the cathedral in Kwidzyn, which was especially visible in the tower’s appearance.