beginning in 1940 the structure received various upgrades and renovations, as it was adapted to take on the role as museum. this also includes repairs and installation of electrical services (such as those carried out in 1967). a general expansion and restoration of the building began in 1969, that included repair to the electrical system and water-heating equipment. in 1971, restructure and remodeling of the interior was accomplished, but continued in for another year. ironically, further work on the electrical system was effected beginning in 1974, but extended to the restoration worked carried out in 1976, that included various parts of the museum. following the carnation revolution, the soares dos reis museum continued to benefit assistance from the state, resulting in work to conserve the interior paint, the installation of a fire system and a remodelling of the central heating system, which was eventually replaced in 1984, which continued to 1987.