House MM / Alventosa Morell Arquitectes

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© Adrià Goula

Sketch

© Adrià Goula

Text description provided by the architects. Located in Valldoreix, on a plot of 800m² with a good orientation, the property asks us to extend its home, construction from 1947 in a situation of volumetric non-conformity. The aim is to create a new independent volume where daughters and grandchildren can live.

© Adrià Goula

Sketch

© Adrià Goula

Apart from the existing house, on the plot we find a swimming pool that is maintained due to the demands of the property and an auxiliary body that is used as a parking lot. This auxiliary body is demolished in order to regularize the regulations and enable the expansion.

© Adrià Goula

Floor Plan

The plot has a difference in level of 1.5 m between the pool and the northern part of the garden. The regulations limit the surface of the new building to 65m² on the ground floor.

© Adrià Goula

Section

The expansion needs program doubles the surface of the existing house and requires two floors. With these conditions and with the desire to generate a better relationship with the existing house and the North-South garden, we decided to take advantage of the 1.5 m difference in level between them, in order to semi-bury the building.

© Adrià Goula

Built in concrete, the lower floor and upper floor respond logically to their situation. The first solid and closed to contain the earth and control thermal losses due to the lack of radiation. The second light and open to increase the relationship with the outside and solar capture. This strategy, together with the thermal inertia of concrete, a structural material to which no coating is added to make the most of its benefits, make the house comfortable all year round with a demand of 12.5 kW / m²year.

© Adrià Goula