1927 he began to produce his own chemical products and supplies and, for which he created his new factory halls in Poblenou in Barcelona.

[3] His factory of Colores Hispania SA in Calle Pere lV, number 482, in Poblenou, Barcelona, is a perfect example of industrial architecture of the early 20th century.

Emilio Heydrich y Martínez lived in Calle Iradier, in the district Sarrià-Sant Gervasi, Barcelona.

[5] Heydrich's house, La Torre de San Fernando,[6] is one of the important classicist palaces in the neighborhood of Sarria-Gervasi.

As many Spanish Cubans who returned to Spain he built his house in the style of Los Indianos [es].The architect Jose Gallart created a cube-shaped single-family house, which until 2006 remained the property of the family.