Get inspired!

17,725 architecture projects

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

Volcanic Ash Concrete and Green Roof Transform Community Space in Iceland’s Geological Landscape

Author:
Jose Lopez
Volcanic Ash Concrete and Green Roof Transform Community Space in Iceland’s Geological Landscape
Explore the full project presentation!
Subscribers only
Constructed using volcanic ash concrete and a green roof, this community space in Iceland integrates with its geological context to provide an educational coffee shop and exhibition area inviting engagement with the unique volcanic landscape.
5 key facts about this project
01
Constructed with volcanic ash concrete, enhancing durability and sustainability.
02
Features a green roof that promotes biodiversity and energy efficiency.
03
Designed with large glass facades for unobstructed crater views.
04
Incorporates interactive exhibition elements focused on local geology.
05
Utilizes geothermal energy for heating and climate control.

Maars Kaffihús is an architectural project designed as a coffee shop and exhibition space nestled within the unique geological landscape of Iceland's maar formations. The building integrates seamlessly with its environment, serving both functional and aesthetic purposes while fostering a connection between visitors and the surrounding volcanic features.

The project represents a commitment to sustainability and community engagement. It operates as a social hub, providing areas for relaxation and education about the local landscape. The architectural approach emphasizes durability, energy efficiency, and a careful integration of natural elements. The design focuses on creating spaces that encourage visitor interaction with both the facility and the stunning outdoor scenery.

Space Considerations and Core Functionality

The layout of Maars Kaffihús ensures a cohesive flow through various user spaces, including the coffee shop, exhibition areas, and outdoor sculpture garden. The coffee shop itself features large glass facades that enhance natural lighting and provide panoramic views of the crater landscape. The interior is designed to offer comfort while utilizing local materials for a warm atmosphere.

The exhibition space, designed as an internal linear ramp gallery, serves as an informative area showcasing volcanic features and local ecology. This educational component is critical, allowing visitors to engage more deeply with the environment. Adjacent to the main building is a sculpture garden that offers a curated experience of art related to volcanic geography, blending cultural expression with natural education.

Unique Design Approaches

One distinguishing aspect of this project is its use of volcanic ash mix cast-in-place concrete, a material that aligns with the site's geological characteristics. This choice of material not only supports sustainable practices but also contributes to the building’s resilience against the harsh climate. The incorporation of a green roof further enhances the design’s ecological stance by promoting biodiversity and energy efficiency.

The design emphasizes permeability and interaction, with pathways that guide visitors through the property and connect the different zones effectively. The project utilizes geothermal energy, reflecting a commitment to low-impact, energy-efficient architecture consistent with Icelandic practices. This integration not only minimizes the building's carbon footprint but also showcases a responsible use of local resources.

Overall, Maars Kaffihús stands out as a model of contextual architecture that respects and celebrates its surroundings. The careful selection of materials, thoughtful spatial arrangements, and innovative energy strategies work in tandem to create a cohesive and functional design.

To explore the architectural plans, architectural sections, and detailed architectural designs, please review the project presentation for a more in-depth look at the unique architectural ideas behind Maars Kaffihús.

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

Enter an open architecture
competition now

Mujassam Watan Urban Sculpture Challenge #8

Mujassam Watan Urban Sculpture Challenge #8

Design iconic urban sculptures for the prestigious Mujassam Watan competition and compete for 50,000 €

50,000 € PRIZE project COMPETITION
Prize 50,000 + Potential realisation
Eligibility Open to all
Advance registration deadline 28 May 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
Rome 
Rain Rooms

Design rain rooms for Rome

ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 28 May 2026
Mujassam Watan 
Urban Sculpture Challenge #8

Design iconic urban sculptures for the prestigious Mujassam Watan competition and compete for 50,000 €

50,000 € PRIZE project COMPETITION
Prize 50,000 + Potential realisation
Eligibility Open to all
Advance registration deadline 28 May 2026
new
Portugal Long Table 
Restaurant

Design a slow-living restaurant in Portugal

project COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 8 July 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

Recurring architecture competitions

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
Advance registration deadline 27 May 2026
Museum of 
Emotions

Use architecture to create different emotional states

Edition #8 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
Final registration deadline 18 June 2026
new
Kinderspace

Design a kindergarten of tomorrow

Architecture for Children’s Development #4 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 18 June 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
Advance registration deadline 2 July 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
Advance registration deadline 9 July 2026
Underbridge #2

Design housing in underutilized bridge spaces

Affordable Housing Edition #20 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 16 July 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