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Diamond-Coated Greenhouse with Steel Cladding for Sustainable Dining

Authors:
Sean Chan, Isaac Li, Clover Chau, Ariel Chen
Diamond-Coated Greenhouse with Steel Cladding for Sustainable Dining

Project in-detail

The diamond-coated facade and strategic use of steel cladding create a sustainable greenhouse restaurant that highlights local food production while offering diners a direct view of their meal's origins.
5 key facts about this project
01
Yggdrasil-inspired design reflects Norse mythology.
02
Diamond coating on facade enhances natural light diffusion.
03
Greenhouse structure allows diners to view food growth.
04
Steel cladding contributes to structural durability and modern aesthetics.
05
Polyurethane foam insulation maintains energy efficiency year-round.

Yggdrasil Gróðurhús is a greenhouse restaurant located in Iceland, bringing together food, nature, and design. Named after the sacred tree in Norse mythology, the project reflects a deep connection to local culture and ecology. The restaurant focuses on creating a dining experience where visitors can see the origins of their meals, enhancing awareness of local food production and sustainability.

Architectural Form and Layout

The design carefully considers how diners interact with their environment. The layout places the dining areas in close proximity to the greenhouse, allowing guests to observe the cultivation process of the food they consume. This arrangement creates a direct link between the act of eating and the source of food, enriching the overall experience and fostering a sense of community.

Materiality and Performance

Materials chosen for Yggdrasil Gróðurhús are vital to its function and appearance. A steel cladding covers the exterior, offering a robust structure while giving a modern look. The presence of double-glazed windows helps to control temperature, ensuring comfort for diners. This design choice is particularly important in Iceland, where climate conditions can be quite harsh.

Ambient Light and Atmosphere

One notable aspect of the building is its unique diamond-like coating. This feature allows natural light to filter through, creating a gentle and welcoming atmosphere inside. Instead of harsh sunlight, the diffused light contributes to a peaceful dining experience. The interplay of light and shadow connects the indoor space with the outside world, enriching the ambiance.

Innovative Insulation Strategies

To maintain a comfortable climate throughout the year, innovative insulation methods have been employed. Polyurethane foam insulation is used to keep heat in during the cold months and cool air in during warmer seasons. The choice of insulation addresses the challenges presented by Iceland’s variable weather while enhancing energy efficiency.

Daylight streams through the diamond facade, casting soft patterns on the interior surfaces, creating a calming environment for guests. This design encourages diners to appreciate not just their meals, but also the natural world that produces them.

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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

Enter an open architecture
competition now

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