Casa Eri is a modern single-family house located in Tokyo, Japan, designed in 2021 by YSLA Architects.

Description
Casa Eri is a house for a family with 2 kids. The family currently lived in an apartment in Tokyo but wanted to move out of the city center and closer to the grandparents? house. After looking for a place to build their new house they decided to build it in the same plot as their grandparents.
We wanted to design the new house keeping the values of the existing grandparents? house, views and sunlight. At the same time, we wanted to design an outdoor space for the families to encounter.
When we first visited the site, the owner brought us around the property to meet the neighbors. We start the visit going from the garden, went to the back patio, to the neighbor?s patio through the neighbor?s field… This relation between patios and garden was as fluid and natural as the relation between neighbors, as natural as the relation between families. We wanted to design a house that was part of this environment. The grandparents? house had a tatami room in the ground floor for the nieces to play and stay over. This was also the room in which every year the Hinakazari (Girl?s festival decoration) was displayed. We designed the new patio and the new house around this area, creating an outdoor space, a patio, in between the two houses. A place for the families to meet while keeping independence and privacy.
The living spaces of the house, the dinn...