The original building was erected in 1334 as a warehouse, meeting and celebration place for merchants. It was the biggest public building of Riga. From mid 15th century it was also used by Brotherhood of Blackheads, a guild for  unmarried merchants, shipowners and foreigners in Riga.
The original structure was built in 1334 as a commercial center, hosting gatherings and celebrations for traders. It held the distinction of being Riga's largest public building. From the mid-15th century, it also functioned as a meeting place for the Brotherhood of Blackheads, an organization comprising unmarried merchants, shipowners, and foreigners.