The oldest brick bourgeois building in Konin was erected at the turn of the 16th and 17th centuries. The present appearance of the house is the result of the reconstruction carried out at the turn of the 19th and 20th centuries. In the south-western part of the ground floor there is a covered vestibule with a barrel-cross vault. The cruising hall and two basements are covered with barrel vaults. The founder of the tenement house: Jan Zemełka was born in 1539 and was one of Konin's finest townspeople.