[1][2] In 1859, the estate was sold by D. Isabel Allen Palmeiro, Baroness of Regaleira (niece and heiress to the Viscountess), to António José Leite Guimarães, Baron of Glória (1806-1876).
[1] In the 1930s, following the death of D. Maria da Glória Leite, Beau-Séjour passed into the hands of her goddaughter and her husband (Augusto Fernandes de Almeida).
[1] There were alterations to the interior of the house, conforming to the change in the function of the building: there was a subdivision of internal spaces, between the two towers on the first floor, including updated wallpaper on the walls.
[1] This included the restoration of deteriorated elements of the architecture of the building: expanding the rooms, transforming the basement into a library/archive, and dividing the pantry space into two washrooms.
[1] Meanwhile, landscape architect Luisa Ferraz (commissioned by the Lisbon city council) began to restore the plant species, and re-establish the paths and circulatory routes, based on the old photographs of Beau-Séjour.
[1] The Baron of Glória extensively remodelled the palácio, in the Art Nouveau style that included the elaborate azulejo tiles over the facade, along with Moorish features.
The plan of the Beau Séjour house is organized along two axes: the first, dominant, is the corridor that extends east to west, with two staircases to the first floor wings.
[1][2] The former Golden Hall/Salon is the most notable space in the house, and includes the grand tapestry by Columbano Bordalo Pinheiro, "O Carnaval de Veneza", that is today used for the library reading rooms.