Having interpreted the building traces and surviving archival sources of St. John’s Church it proved possible to reconstruct most of the building history. The earliest known church structure on this site was probably a thirteenth century brick, single-nave construction. In the fourteenth century the church was extended and the western tower was built. In 1390 a triple-nave brick hall church was being constructed. The size of the bays was half the size of the current bays. The architecture demonstrated an affinity with churches like the Oude Kerk in Amsterdam. Between 1475 and 1510, the church was widened by adding two side-aisles and extended lengthways by a basilica choir with a five-sided ambulatory. The size of the nave’s bay remained un...