Get inspired!

17,725 architecture projects

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

Subterranean Dwelling Crafted from Rammed Earth and Glass Flooring in Arid Landscapes

Subterranean Dwelling Crafted from Rammed Earth and Glass Flooring in Arid Landscapes
Explore the full project presentation!
Subscribers only
Nestled beneath the surface, the dwelling utilizes rammed earth and glass flooring to create a sustainable living environment that blends seamlessly with the desert landscape, optimizing energy efficiency and offering a novel approach to modern habitat in arid conditions.
5 key facts about this project
01
Utilizes rammed earth for superior thermal mass and energy efficiency.
02
Features a glass floor to connect interior spaces with the surrounding ecosystem.
03
Entry ramp channels rainwater into an integrated garden area for landscaping.
04
Incorporates a blackwater sewage system for sustainable waste management.
05
Designed to minimize visual impact on the desert landscape with a subterranean footprint.

### Overview

The Subterrarium is a residential design situated in the arid landscapes of the American Southwest. It serves as an exploration of sustainable living within a challenging climatic context, emphasizing integration with the natural environment. Designed as a micro-home that is partially buried, the structure utilizes a rammed earth framework to minimize ecological impact while addressing the local climate's demands. By being excavated four feet into the ground, the dwelling effectively maintains cooler temperatures during the extreme heat of summer and reduces its visibility in the landscape.

### Materiality and Structural Considerations

The design employs a range of materials that support both functionality and energy efficiency. Rammed earth serves as the primary structural element, providing significant thermal mass conducive to energy conservation. Corrugated steel roofing, a nod to the region's historical mining heritage, enhances durability. The inclusion of Kingspan Tek Structurally Insulated Panels (SIPs) ensures optimal insulation while being lightweight. Furthermore, the innovative glass flooring establishes a visual link with the ecosystem below without compromising privacy. Wood finishes provide warmth and complement the desert aesthetic.

### Environmental Strategies

The Subterrarium incorporates several sustainable strategies aimed at minimizing its environmental footprint. The unit layout, approximately 23 square meters (about 250 square feet), is optimized for natural light and ventilation through operable windows on the south and north facades. A series of deep eaves promote energy efficiency by providing shade while also addressing privacy needs. The design features a rainwater harvesting system that directs water into garden areas, creating micro-ecosystems and enhancing biodiversity. Additionally, an integrated blackwater sewage system processes waste sustainably, returning treated water to the environment.

This project exemplifies a commitment to ecological principles through its material choices and functional design, reflecting a harmonious coexistence with its surrounding landscape.

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

Enter an open architecture
competition now

Kingspan MICROHOME 2026: Building Less to Create More

`
Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

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

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 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
Vancouver 
Tall Challenge

Design the future of Vancouver’s skyline

Building higher downtown ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 29 October 2026
The Oak 
Moon 
Pavilion

Design a yoga pavilion in Italy

project COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 5 November 2026
Portugal Long Table 
Restaurant

Design a slow-living restaurant in Portugal

project COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 9 December 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
Final registration deadline 30 September 2026
Kinderspace

Design a kindergarten of tomorrow

Architecture for Children’s Development #4 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 28 October 2026
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
Advance registration deadline 12 November 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
Final registration deadline 3 December 2026
new
Buildner's Unbuilt Award

Celebrating your unbuilt architecture visions with a 50,000€ prize

50,000€ Prize / 2027 ideas COMPETITION
Prize 50,000 €
Eligibility Open to all
Early bird registration deadline 4 February 2027

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