Located in the historic center of Castellón, this project addresses the common challenge of building on extremely narrow residential plots. To make way for the new design, the team completely demolished an old family home. One of the client’s main priorities was ensuring ample natural light reaches every floor of the house. The final design features perforated facades enveloping the ground floor, first floor, second floor, and roof, all within a compact 3.80 × 24 meter site.
Due to the narrow site and the requirement for multiple floors, the design solution maximizes natural light through the roof—the only facade exposed to the outside. The concept centers around two courtyards and a skylight positioned above the staircase, which spans the three floors, allowing sunlight to fill all interior spaces. The main courtyard is covered by a glass ceiling, yet it features an external treatment inside the house to strengthen its connection with natural light.
The staircase plays a pivotal role in the layout. Although narrow, its central location transforms the surrounding areas into functional spaces for movement and use. To enhance transparency and visual flow, the staircase is enclosed with micro-perforated steel, creating a sense of openness across the home’s full width. The ground floor serves as a passageway and garage, while the first floor benefits from natural light through the stairwell and backyard.
The first floor serves as the main living area, housing the living room, dining room, and kitchen. These spaces connect seamlessly to a covered terrace with glass flooring, creating an environment that feels open and climate-friendly. The second floor is dedicated to bedrooms. Thanks to the continuous natural daylight streaming throughout the house, the narrow interiors feel spacious rather than cramped. The atrium and skylight design ensure excellent lighting and ventilation, enhancing overall comfort.
(BIM Tutorial)
(BIM Engineer)
One of the key features of this project is the main facade, the only one facing a public street. It is designed as a mesh-like skin, paying homage to the ceramic tradition of Castellón province. This facade connects all floors while providing privacy and shielding the south-facing rooms. It also contributes to the dynamic interplay of light within the house.
Project Drawings
▲ Plan View
▲ Plan View
▲ Elevation View
▲ Sectional View
Project Information
Architectural Firm: Viraje arquitectura
Location: Castellón de la Plana, Spain
Category: Independent Residential Buildings
Area: 257.16 m²
Year Completed: 2018
Photographer: Germán Cabo
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