The industrialist Pere MilÓ and his wife Roser Segimon commissioned Antoni GaudÝ to build an apartment house on the boundary separating Barcelona from the former town
of GrÓcia, with aim of turning the main floor into a family
residence and leasing out the rest of the dwellings.
Antoni GaudÝ built 2 blocks of flats, with separate entrances, arranged around 2 large interlinked patios, which facilitate the entry of light to all the dwellings, with a single undulating freestanding fašade whose sinuous rhythms are echoed inside well. In addition, rather than the traditional weight-bearing walls, the building relies on a structure of pilars which allows for an open floor structure with large openings in the fašade. The highly innovative construction and ornamental methods marked a departure from the traditional architectural design of the day.
The Casa MilÓ is popularly known as “La Pedrera” (the stone quarry) in allusion to the resemblance of its fašade to an open quarry.