The church was built in the first half of the 15th century as a result of the expansion of the chapel, erected by the Knights Hospitaller. The relics of this 13th-century romanesque temple, in the form of granite blocks, were incorporated into the pillars of the central nave of the present chancel.
The construction of the new church began in 1408. Work on the completion of the tower lasted until 1429. At that time the St. Mary’s Chapel was erected from the south. In the middle of the fifteenth century, the wife of the mayor, Henning Mildenitz founded a chapel added to the church on the south side. Before 1480, a chapel called “turri anexa” was built on the north side of the tower. Around 1470 a aisle was erected near the church’s corpus, after which a new vault was built over the chancel. The next stage was the construction of a bypass of the chancel, and after the year 1500 a number of chapels, which surround the eastern part of the church. At the same time a vestry was built adjacent to the church from the north.
The temple was successfully avoided by fires, destroying the medieval city. However, in the years 1540 and 1697 the winds, and perhaps the structural errors, were destroyed twice the tower, which fell down, crumbling the vaults and sidetower chapels. The church suffered greatly during the Second World War.
It is a gothic hall church with no externally separated chancel and chapels around the choir and a slender tower from the west. Stellar vaults are used in the nave, and rib vaults in the aisles.
Pilch.J, Kowalski S., Leksykon zabytków Pomorza Zachodniego i ziemi lubuskiej, 2012.
Website swjozef.stargard.pl, Dzieje kościoła św. Jana Chrzciciela w Stargardzie.