Get inspired!

16,979 architecture projects

Learn from past Buildner architecture competition participants through our extensive project library, curated over more than 15 years!

Geothermal Greenhouse With Reinforced Concrete and Sustainable Design Principles

Authors:
Simon Cebrian saiz, Almudena Alarcon ruiz, Patricia Perez ceres
Geothermal Greenhouse With Reinforced Concrete and Sustainable Design Principles

Project in-detail

Built with reinforced concrete and utilizing geothermal energy, the greenhouse restaurant intertwines agricultural production with dining experiences, offering a unique insight into sustainable food sourcing in Iceland's volcanic landscape.
5 key facts about this project
01
Constructed with reinforced concrete and rock wool insulation for energy efficiency.
02
Integrates geothermal heating to maintain optimal growing conditions.
03
Features flexible dining spaces that adapt to seasonal agricultural cycles.
04
Utilizes extensive glass facades for maximum natural light and landscape views.
05
Promotes a farm-to-table experience by allowing diners to engage with the greenhouse.
Hraun is an architectural project situated in Iceland, designed as a greenhouse restaurant that integrates dining with agriculture. This facility not only provides a space for culinary experiences but also emphasizes sustainability and local food sourcing, allowing diners to witness the growth of their meals in a distinct environment.

The project is characterized by its focus on transparency and connection to the surroundings. The extensive use of glass in the façade enables natural light to permeate the interior, creating a visually engaging atmosphere where patrons can enjoy panoramic views of the volcanic landscape. The design also incorporates community-oriented spaces, such as a multipurpose hall, facilitating local gatherings and events, reinforcing the restaurant's role as a community hub.

Unique Integration of Agriculture and Dining

Hraun's design distinguishes itself from other projects through its dual function as a greenhouse and a dining establishment. The greenhouse area is designed to allow diners to not only observe but also engage with the cultivation process. This hands-on experience enhances the farm-to-table concept, positioning the restaurant as a place for education about sustainable agriculture practices.

The layout includes flexible dining areas that can adapt to varying patron numbers, emphasizing versatility. The project utilizes reinforced concrete for the walls, rock wool insulation for energy efficiency, and a steel structure for durability, demonstrating a commitment to long-term sustainability. Geothermal energy serves as a key aspect of the design, leveraging local resources to maintain an optimal internal climate for both diners and plants while minimizing environmental impact.

Sustainability and Community Engagement

Beyond its architectural functionality, Hraun incorporates sustainable practices into every aspect of its design. The reliance on local materials and energy sources reflects an understanding of the ecological context. The integration of nature into the dining experience aligns with contemporary architectural trends that prioritize environmental stewardship.

In addition, Hraun promotes community engagement through its multipurpose spaces, which facilitate various events, enhancing the social fabric of the location. This feature distinguishes the project from standard dining experiences, creating an inclusive environment where community members can gather.

For those interested in a deeper exploration of Hraun's architectural plans, sections, and detailed designs, additional project information is available. The thoughtful integration of agriculture and dining, combined with a focus on sustainability and community, marks this project as a significant addition to the architectural landscape of Iceland.
Noticed a mistake?
Highlight the text and click on
Noticed a mistake

Enter an open architecture
competition now

The Architect’s 
Stair
The Architect’s Stair
Take a step and make a statement! Edition #2
Denver Affordable Housing Challenge
Denver Affordable Housing Challenge
Affordable Housing Series 19th Edition
The Architect's 
Chair
The Architect's Chair
Take a seat and make a statement! Edition #4
MICROHOME
MICROHOME
100,000 € Prize Fund / Kingpsan Edition #10
Kinderspace
Kinderspace
Architecture for Children’s Development #3
Buildner's Unbuilt Award 2025
Buildner's Unbuilt Award 2025
100,000€ Prize / 2025

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

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

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
Early bird registration deadline 22 May 2025
To view this project in detail,
please log in with your
Architects’ Network Plus account.
Subscription instantly unlocks all the architecture projects plus other member-only benefits:
  • Access the 16,979 Concept Library
  • Professional tools including file transfer, email, portfolio management, and more
Register now
Already a member? Log in

This website uses cookies to improve user experience and gather usage statistics.

More information is available in our Privacy & Cookie policy