This house in the Nervion neighborhood in Seville is the result of an intervention in an existing building fruit of self-constructions of various types and qualities. The house had a large terrace on the main facade breaking alignments and volumes of their immediate environment. This space was used to expand housing with a distinct volume of preexisting recovering the corner. The new windows also follow a different order and proportion of existing ones. Inside a white staircase runs along the building letting in light from the new interiors patio.