'roncero house' by ALT arquitectura, san sebastián de los reyes, madrid, spain image © silvio posada
madrid-based firm ALT arquitectura has recently completed 'roncero house' a single family dwelling in
san sebastián de los reyes, madrid, spain. along a sloping site raises a two-story house with distinct entrances
to each floor. the property is developed as a narrow longitudinal scheme to make the most of a garden plot.
the volume arises from the main street, merging two bisected branches of the access driveway, developing into
a concrete materialization in the first floor. the monolithic form rises to end the structure in a weightless cantilever.
bisected approach to dwelling from street
image © silvio posada
the most expressive home completed by the practice, the surfaces fly over the ground with minimal indication
of its structural system. the produced effect deceives the intuitive structural sense evoking moments of contemplation
form onlookers. the large and heavy facade creates an odd and pleasant sensation as it becomes visually light. a void
within the formwork is sealed with a glass pane producing a skylight to generate the feeling of being outside, breaking down
the continuity of the material inside and increasing the lightness of the staircase. the railings are comprised of calibrated
round 20mm rods. surprising rigidity is created with the ipe200 beams which support the hanging treads bolted to the
internal concrete walls. the space changes with movement and with the variable interaction of sunlight and shadow.
the house is composed of overlapping spatial concepts. some are more three-dimensional, others are more bi-dimensional,
and everything is woven by one-dimensional vertical rods of the ladder. the facade is also clad with fluted polished stainless
steel and aluminum finished steel windows allowing the coloration of the encompassing vegetation to reflect within its skin.
entry facade
image © silvio posada
pool and garden area
image © silvio posada
concrete form angles to rise to second floor, appearing to effortlessly cantilever without visible supporting elements throughout its length
image © silvio posada
entry view
image © silvio posada
living area
image © silvio posada
(left) stairway
(right) reading nook
images © silvio posada
delicate metal rod railings contrast the solid concrete walls and ceiling
image © silvio posada
double story space topped with skylight void
image © silvio posada
skylight detail
image © silvio posada
outdoor terrace
image © silvio posada
construction photo and rendering from same perspective
image courtesy of ALT arquitectura
skylight detail
image courtesy of ALT arquitectura
aerial perspective
image © ALT arquitectura
exterior rendering
image © ALT arquitectura
section / floor plans
image © ALT arquitectura
project info:
project team: ALT arquitectura - ángel luis tendero, bernardo cummins
year: 2011
location: san sebastián de los reyes, madrid (spain)
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