Get inspired!

17,725 architecture projects

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

Geothermal Shelter Embracing Natural Light with Aluminium and Plywood Elements

Author:
Nigel Hetherington
Geothermal Shelter Embracing Natural Light with Aluminium and Plywood Elements
Explore the full project presentation!
Subscribers only
Constructed with aluminium and plywood, the shelter enhances the geothermal landscape by providing a circular walking route that invites visitors to engage with the unique geological features of the Grjotagja caves.
5 key facts about this project
01
Built around the Grjotagja caves to enhance geological engagement.
02
Circular walking route offers multiple viewpoints of tectonic features.
03
Utilizes local aluminium for durability and low maintenance.
04
Integrates off-grid energy solutions with solar and geothermal systems.
05
Design mimics natural cave forms to blend with the landscape.

The Grjotagja Cave Shelter is set in Iceland's distinctive geological landscape, located near the Grjotagja caves along the Mid-Atlantic Ridge. It serves to enhance visitor interaction with this remarkable site while providing modern amenities. The design merges built space with the surrounding environment, achieving a balance that respects both the natural beauty and the visitor experience.

Design Concept

The primary idea behind the design is a hybrid structure that blends with the landscape. A circular walking path runs around the shelter, allowing visitors to explore the area and observe the unique geological features of the caves. This route not only facilitates movement but also presents various viewpoints, enriching the experience of the site's topography and formations.

Architectural Features

Essential amenities are included in the design to serve visitors effectively. Shower and changing facilities are available for those wanting to enjoy the swimming cave, as well as a café for refreshments. The shelter also features a covered rest area designed to resemble a 'new cave,' enhancing the overall experience. This integration of facilities supports an organized visit while inviting engagement with the natural surroundings.

Sustainability and Materials

The project focuses on minimizing environmental impact. It utilizes local materials to help reduce the carbon footprint associated with construction. Aluminium is specified for the external walls and structural components due to its durability and resistance to corrosion. This choice not only enhances the structure’s longevity but also requires less maintenance over time, ensuring a good fit within the natural landscape.

Energy Efficiency

An energy center is part of the design, supporting environmentally friendly practices. Off-grid energy sources, such as solar panels and geothermal heating, contribute to the sustainability of the facility. This focus on energy efficiency reflects a commitment to creating a space that works well with its environment while meeting the needs of its users.

The design creates a protective enclosure around the cave entrances, encouraging exploration and appreciation of the geological wonders nearby. Natural light filters through the structure, creating changing patterns of light and shadow that draw attention to the beauty of the surrounding landscape.

Noticed a mistake?
Highlight the text and click on
Noticed a mistake

Enter an open architecture
competition now

Pavilion Atlas 2026: Rethinking Nations Through Architectural Storytelling

`
Competition organisers

Buildner launches Pavilion Atlas 2026, a global architecture competition inviting designers to create conceptual pavilions that tell the story of a country. Participants are challenged to express cultural, social, environmental, or political identity through spatial storytelling, focusing on ideas rather than symbols or technical constraints. The competition offers a total prize fund of €20,000, with final registration open until September 16, 2026, and winners to be announced on December 8, 2026. All submissions will become part of a global design archive.

Pavilion Atlas 2026

Design a story of your country

ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 16 September 2026

Open architecture competitions

  • Closest deadline first
  • Project competitions first
    Selected winning projects have the potential to be constructed
  • Ideas competitions
    Experimental competitions with the focus on pushing the boundaries of creativity
new
The Oak 
Moon 
Pavilion

Design a yoga pavilion in Italy

project COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 27 August 2026
Vancouver 
Tall Challenge

Design the future of Vancouver’s skyline

Building higher downtown ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 9 September 2026
Pavilion Atlas 2026

Design a story of your country

ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 16 September 2026
Portugal Long Table 
Restaurant

Design a slow-living restaurant in Portugal

project COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 23 September 2026
New York High Falls 
Riverfront Market

Design a New Riverfront Market in Rochester, New York

ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 7 October 2026
Valli Wine 
Tasting Room

Design a wine tasting room in Italy

project COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 8 October 2026
The 
Quiet 
Tower

Design an observation tower in Latvia

project COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 15 October 2026

Recurring architecture competitions

Kinderspace

Design a kindergarten of tomorrow

Architecture for Children’s Development #4 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 27 August 2026
Re:Form - 
New Life 
for Old Spaces

Choose a site—used, abandoned, or forgotten—anywhere in the world, and give it a new purpose

Edition #3 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 10 September 2026
new
Museum of 
Emotions

Use architecture to create different emotional states

Edition #9 ideas COMPETITION SILENT CONTEST For this competition, NO DESCRIPTION TEXT is allowed. The architecture ideas must be communicated strictly with visuals.
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 10 September 2026
Underbridge #2

Design housing in underutilized bridge spaces

Affordable Housing Edition #20 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 17 September 2026
Buildner's Unbuilt Award 2026

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

100,000€ Prize / 2026 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 23 September 2026
The 
Architect's 
Chair

Take a seat and make a statement!

Stockholm Furniture Fair Edition #6 ideas COMPETITION
Prize Monetary award + Exhibition at Stockholm Furniture Fair
Eligibility Open to all
Advance registration deadline 24 September 2026
MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

Media, partners and clients

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 17,725 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