The House in the Forest is a detached single-family house located in Barcelona, Spain, designed in 2020 by El Fil Verd . Description The design of this detached single-family house was commissioned to us by a couple with the dream of retirement living in the middle of nature. The site is characterized by a Mediterranean vegetation typical of the area and includes olive trees, pines, mastic trees and palm hearts on calcareous soils. The plot, of about 900 m2, is located at the end of a small urbanization on the edge of the Garraf Natural Park, on the coast south of Barcelona. A construction that would allow to contemplate the landscape and would entail low energy consumption were the main requirements of this commission. At the same time, the project presented multiple challenges: a steeply sloping, north-facing plot, and a limited budget. Project details The urban planning regulations place the built occupation in the center of the plot, allowing to construct up to three