The Hôtel Tassel is a historic town house in Brussels, Belgium. It was designed by Victor Horta for the scientist and professor Emile Tassel, and built between 1892 and 1893, in Art Nouveau style. It is considered one of the first buildings in that style because of its highly innovative plan and its ground-breaking use of materials and decoration. It is located at 6, ru…The Hôtel Tassel is a historic town house in Brussels, Belgium. It was designed by Victor Horta for the scientist and professor Emile Tassel, and built between 1892 and 1893, in Art Nouveau style. It is considered one of the first buildings in that style because of its highly innovative plan and its ground-breaking use of materials and decoration. It is located at 6, rue Paul-Emile Janson/Paul-Emile Jansonstraat, a few steps from the Avenue Louise/Louizalaan.