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Interactive floor plan: Y House by BMA, Beijing

The Y House, located in the Changping suburb of Beijing, represents an unconventional approach to residential renovation and extension, designed by the young practice Beijing Matsubara and Architects (BMA). This project arose from the request of a prominent mathematics academic who sought to renovate and expand a five-year-old house. Instead of demolishing and rebuilding, Hironori Matsubara, a Japanese architect leading BMA, conceived a 'Russian-doll' style solution. He enveloped the existing concrete structure within a new, larger orthogonal building, thereby adding a new facade and significantly increasing the usable floor space without discarding the relatively new original structure. This method proved to be both cost-effective and efficient, enhancing the property's value in a context where frequent architectural changes are common in contemporary China. The initial structure, despite being only five years old, was deemed suitable for retention due to its sound condition. This decision was also influenced by the desire to introduce diversity into a neighborhood characterized by homogeneous, mass-produced housing from a now-bankrupt real estate developer. Matsubara's design effectively tripled the house's area to 770 sq m by adding an extra storey and creating additional breathing room around the original building. The new design incorporates a C-shaped plan, strategically maximizing natural light penetration from various angles and offering expansive views towards the nearby mountains. This thoughtful layout ensures that the interior spaces are well-lit and connected to the natural surroundings. The interior organization of the Y House follows a vertical zoning system across its three levels. The ground floor is dedicated to public living spaces, fostering an environment for social interaction and communal activities. The first floor accommodates the private rooms for family members, ensuring personal comfort and privacy. The uppermost level houses a reading and relaxation room, strategically positioned to capitalize on the distant views, providing a tranquil retreat within the home. A central circulation core facilitates movement between these distinct functional zones. A notable aspect of the Y House's design is its unusual energy-sustainable interior routine. The layout is optimized along a north-south axis to align with the family's specific lifestyle and seasonal variations. During the warmer summer months, the family primarily utilizes the naturally ventilated north part of the house, reducing reliance on artificial cooling. Conversely, in winter, the south part of the house, equipped with basic heating systems, becomes the main living area. This intelligent zoning and seasonal adaptation eliminate the need for high-tech air-conditioning systems, leveraging the building's size and orientation for efficient energy management. The exterior wall system further contributes to energy efficiency, featuring a three-layer construction. The outer skin is crafted from locally manufactured grey blocks, which visually echo traditional local stone while providing superior insulation. Matsubara expressed satisfaction with the project, noting that while the concept was controversial among neighbors, the client embraced and was proud of the innovative design, highlighting its refreshing approach to conventional house extensions and its playful contribution to the local architectural landscape. #Architecture #ResidentialDesign #SustainableArchitecture #BeijingArchitecture #Renovation #BMAArchitects #EnergyEfficiency #SpatialPlanning #ContemporaryDesign #Architecture #ResidentialDesign #SustainableArchitecture #BeijingArchitecture #Renovation #BMAArchitects #EnergyEfficiency #SpatialPlanning #ContemporaryDesign
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