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Timber Battens and Kinetic Roof Enhance Natural Light in Coastal Retreat

Authors:
Yi Yin Saw, Sze Yip Ng
Timber Battens and Kinetic Roof Enhance Natural Light in Coastal Retreat
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A solar-powered sliding roof in a coastal home adapts to sunlight changes, creating dynamic lighting experiences while timber battens enhance the interior's visual comfort for vacation living.
5 key facts about this project
01
A solar-powered sliding roof allows for daily adjustments to natural light.
02
Timber battens create patterns of dappled light in the bathroom.
03
The design promotes optimal stargazing opportunities from the bedroom.
04
Large openings maximize air circulation and sunlight in common areas.
05
A focus on reducing artificial lighting enhances occupant well-being.

Solaris Pinnacle is located on Rottnest Island and serves as a vacation home focused on harnessing natural light. The design aims to reduce dependence on artificial lighting by allowing the sun to influence the daily activities of its occupants. Central to this concept is a unique kinetic roof that adjusts throughout the day, creating a close relationship between indoor spaces and the changing outdoor environment.

Kinetic Roof Mechanism

The home features a solar-powered sliding roof. This innovative element is crucial for the way light interacts with the various rooms. As sunlight shifts during the day, the roof opens up, letting in natural light that brightens the interiors. This design choice not only enhances practical usage but also enriches the moments spent within the home, offering different lighting effects as the day progresses.

Spatial Lighting Dynamics

At 10:00 AM, the bedroom receives gentle light through a small opening, creating a pleasant waking experience. The bathroom benefits from a long skylight, allowing filtered sunlight to create a calm atmosphere. By 2:00 PM, the kitchen shines with brightness thanks to a glazed ceiling and large openings, ensuring a lively space throughout the day. This structured approach to light distribution adds to the comfort of living in the home.

Privacy and Nighttime Comfort

As evening falls, the roof plays an important role in maintaining privacy and comfort. The gradual closing of the roof, controlled by balanced counterweights, marks the transition from day to night. When closed, it protects against the morning sun while also offering a clear view of the stars at night for those who enjoy stargazing. This design respects the need for both peace and connection to nature.

Tactile Materiality

The design incorporates timber battens in the bathroom to create light patterns that enhance the space's sensory experience. This choice supports a vision of a home that interacts with its surroundings, emphasizing the natural qualities of light. The focus on how light plays within the rooms highlights the thoughtful intention behind each design decision, creating a comfortable and inviting atmosphere throughout the home.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

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