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Geothermal Heating and Glulam Structure in a Circular Greenhouse Cuisine

Author:
Syafiq Jubri
Geothermal Heating and Glulam Structure in a Circular Greenhouse Cuisine

Project in-detail

Constructed with timber glulam and utilizing geothermal heating, the circular structure harmonizes with its environment while providing a greenhouse that enhances the dining experience through direct engagement with food production.
5 key facts about this project
01
The greenhouse is designed with various solar zones to optimize crop growth.
02
Timber glulam construction sourced from FSC-certified forests enhances sustainability.
03
The main dining area offers uninterrupted views of Myvatn hot springs and Hverfjall Volcano.
04
A rainwater harvesting system supports efficient water management practices.
05
Large triple-glazed windows maximize natural light while blending indoor and outdoor spaces.

The Greenhouse Restaurant is located in the geothermal area of Myvatn, Iceland, known for its beautiful landscapes and natural hot springs. The design combines dining with food production, offering a space where visitors can appreciate both the food and the environment. The concept centers around a circular form that fits well within the landscape, providing a smooth connection between the inside and outside spaces. It aims to promote an understanding of the local ecosystem and the relationship between nature and food.

Structure and Spatial Organization

The layout includes a central courtyard, which is surrounded by the greenhouse and the restaurant. This arrangement allows for maximum sunlight, which is vital for the greenhouse's operations. Inside the greenhouse, different zones help grow various crops, engaging visitors in the growing process. The restaurant's main dining area is located at the northern end, providing sweeping views of the Myvatn hot springs and Hverfjall Volcano. This positioning helps create a stronger bond between diners and the scenic surroundings.

Material Choices

The building is primarily constructed using timber glulam sourced from FSC-certified forests, emphasizing sustainability. This choice supports responsible forestry and provides an appealing look to the structure. The floors are made from marble offcuts, adding a distinctive texture while making use of reclaimed materials. The ceiling features pressed dyed cornflower panels, creating an inviting interior atmosphere that reflects a connection to nature.

Environmental Strategies

The design incorporates several strategies to enhance sustainability. A passive ventilation system, partially assisted by mechanical means, helps maintain comfortable indoor conditions without excessive energy use. The heating system draws energy from the nearby hot spring, utilizing local resources efficiently. Additionally, the project includes a rainwater harvesting tank to promote better water management.

Large triple-glazed windows are a prominent feature in the dining area, allowing ample natural light to fill the space. They frame views of the stunning Icelandic landscape, making the natural world an integral part of the dining experience. The design invites visitors to enjoy the scenery while dining, effectively blending the building with its surroundings.

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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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