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Algae-Filled Chambers Promoting Urban Air Purification in a Vertical Green Park
Algae-Filled Chambers Promoting Urban Air Purification in a Vertical Green Park
Wolfgang sebastian Kiehne, Cayetano garcia Cachay, Christian Bechara
Algae-filled chambers filter urban pollutants while a vertical green park enhances the microclimate, combining air purification with residential, educational, and office spaces in a multifunctional structure.
detroit residential education office green space purification sustainability community urban algae

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RINGED SANCTUARY FOR WELLNESS AND REST
RINGED SANCTUARY FOR WELLNESS AND REST
Ana-maria Lenghen, Razvan ioan Muntean, Silviu ioan Popa
House Fo(u)r Innerlight(s) is a yoga retreat designed to foster mindfulness and community within a natural forest setting in Latvia. The project emphasizes a circular spatial organization that integrates indoor and outdoor environments while supporting both collective activities and individual reflection.
yoga retreat wellness community nature sustainability private interior
A Lightweight Forest Dwelling with Integrated Water Systems
A Lightweight Forest Dwelling with Integrated Water Systems
Austin Autrey
Integrating fog harvesting technology with locally sourced spruce plywood, this elevated residence offers a unique approach to sustainability while providing functional living spaces within a serene forest setting.
fog residence sustainability forest water collection wood stone wellness canada
MODULAR TOWER FOR ECOLOGICAL OBSERVATION

MODULAR TOWER FOR ECOLOGICAL OBSERVATION
Elan Jordan Ergas Lenett Sigrid Anna Joubert
Located in the wetland landscape of Big Slough and Silver Lake, the design offers a vertical exploration of the natural environment through a carefully articulated watchtower structure. The project merges ecological awareness with spatial complexity, creating an architectural framework for observation, movement, and interaction.
watchtower observation landscape modular ecology community sustainability interaction
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The Last Nuclear Bomb Memorial

The Last Nuclear Bomb Memorial

Design a memorial that speaks to the cause of ending all nuclear weapons programs

Edition #6 ideas COMPETITION SILENT CONTEST For this competition, NO DESCRIPTION TEXT is allowed. The architecture ideas must be communicated strictly with visuals.
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A RESIDENTIAL ENSEMBLE WITH COURTYARDS AND MAYADEEN
A RESIDENTIAL ENSEMBLE WITH COURTYARDS AND MAYADEEN
Balint Iszak, Csenge Gyorgyi
Set within a contemporary residential context in the United Arab Emirates, the design explores the relationship between traditional urban forms and present-day living requirements. It emphasizes community interaction, environmental responsiveness, and adaptability, responding to both cultural and climatic conditions.
residential community sustainability tradition innovation public courtyard adaptability local materials
A RESIDENCE WITH ADAPTABLE OPEN-PLAN LIVING
A RESIDENCE WITH ADAPTABLE OPEN-PLAN LIVING
Paula Soler Soler, Marta Woodward Moncho
Designed for a residential setting in Dubai, the architecture responds to the demands of desert living through passive strategies, adaptable spatial planning, and material efficiency. The layout emphasizes a balance between privacy and communal life, with a focus on outdoor integration.
residential sustainable courtyard ventilation family functionality natural light flexible
MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation
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100,000 € Prize - MICROHOME open until SEPTEMBER 25, 2025
A PLATFORM FOR OBSERVATION, CIRCULATION, AND GATHERING
A PLATFORM FOR OBSERVATION, CIRCULATION, AND GATHERING
Hadi Koohihabibi, Pariya Shahbazi, Parsa Kavosi, Kimia Salimzadeh
Located in a small urban center adjacent to open landscape, the structure supports both elevated viewing and pedestrian circulation across its site. Designed to enhance public engagement, it responds to local context through its spatial configuration and material logic.
observation tower promenade community public sustainability landscape connectivity
A GUIDEPOST FOR COMMUNITY AND CONTEXTUAL ENGAGEMENT
A GUIDEPOST FOR COMMUNITY AND CONTEXTUAL ENGAGEMENT
Shuyang Fang, Tianjian Cheng
Positioned within the prairie landscape of De Smet, the structure functions as a vertical marker that combines public utility with cultural reference. Its design responds to local narratives and environmental conditions, offering spaces for observation, orientation, and gathering.
community observatory landmark navigation beacon cultural outdoor landscape
A Community Spa with Charred Wooden Shingles and Cross-Laminated Timber
A Community Spa with Charred Wooden Shingles and Cross-Laminated Timber
Franco Ghilardi
Wrapped in charred wooden shingles and built from cross-laminated timber, this community spa blends wellness, sustainability, and landscape-driven design in a remote Icelandic setting.
spa sustainability natural community mass timber geothermal retreat wellness local stone viewpoint
The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000
The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000
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Celebrating your unbuilt architecture visions with a €100,000 prize

Featured architecture competitions

Buildner's Unbuilt Award 2025
Celebrating your unbuilt architecture visions with a €100,000 prize
100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Advance registration deadline 11 September 2025
Find out more Send reminders Download brief
MICROHOME

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
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The Last Nuclear Bomb Memorial
Find out more Send reminders Download brief

The Last Nuclear Bomb Memorial

Design a memorial that speaks to the cause of ending all nuclear weapons programs
Edition #6 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 10 September 2025
Concrete Pavilion
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Concrete Pavilion
Design a concrete pavilion
Edition #3 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 17 September 2025
Denver Affordable Housing Challenge
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Denver Affordable Housing Challenge
AIA (American Institute of Architects) invites you to design affordable housing in Denver
Affordable Housing Series 19th Edition ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 18 September 2025
The Architect's Chair
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The Architect's Chair

Take a seat and make a statement!
Take a seat and make a statement! Edition #4 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Final registration deadline 18 September 2025
Museum of Emotions
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Museum of Emotions
Use architecture to create different emotional states
Edition #7 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 18 September 2025
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Re:Form - New Life for Old Spaces
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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 #2 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Early bird registration deadline 2 October 2025
Hospice - Home for the Terminally ill
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Hospice - Home for the Terminally ill
Design a safe and supportive space to those struggling with a terminal illness
Edition #5 ideas COMPETITION
Prize 10,000 €
Eligibility Open to all
Advance registration deadline 9 October 2025
Kinderspace
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Kinderspace
Design a kindergarten of tomorrow
Architecture for Children’s Development #3 ideas COMPETITION
Prize Monetary award
Eligibility Open to all
Advance registration deadline 16 October 2025
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