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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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Affordable Housing Series 19th Edition
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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Open architecture competitions

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    Selected winning projects have the potential to be constructed
  • Ideas competitions
    Experimental competitions with the focus on pushing the boundaries of creativity
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Prize Monetary award
Eligibility Open to all
Final registration deadline 18 September 2025

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Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

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