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

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education contemporary residential united states concrete sustainability landscape

Search results for: Graywater system

Natural Stone and Clay Plaster Retreat Embracing Biophilic Principles in a Woodland Setting

Natural Stone and Clay Plaster Retreat Embracing Biophilic Principles in a Woodland Setting

Sophie Hamer

Constructed with natural stone and clay plaster, this retreat harmonizes with its woodland surroundings, offering a serene space dedicated to wellness and mindful practices.

vale de moses wellness retreat yoga forest sustainable natural residence portugal multi-functional

Circular Café Constructed With Brick And Glass, Embracing Graywater Systems And Community Engagement

Circular Café Constructed With Brick And Glass, Embracing Graywater Systems And Community Engagement

Ruben Alvarez, Vivian Sánchez-boniche, Elizabeth Segura hernandez

Emphasizing circularity and sustainability, the café thoughtfully integrates a brick structure and expansive glass façade while harnessing graywater systems to create an engaging environment for community interaction and coffee enjoyment.

coffee caf sustainability community kiosk urban interior environment local building

Charred Wood Shingles and Compressed Hay Insulation Create a Sustainable Retreat in Harmony With Nature

Charred Wood Shingles and Compressed Hay Insulation Create a Sustainable Retreat in Harmony With Nature

Zoltan Szabo

With its charred wood shingles and innovative compressed hay insulation, this sustainable retreat seamlessly integrates into the landscape while providing a peaceful refuge for relaxation.

sustainability retreat timber eco-friendly nature relaxation insulation local graywater facility

Enter the next competition edition

The Architect’s
Stair

The Architect’s Stair

Take a step and make a statement!

Take a step and make a statement! Edition #2 ideas COMPETITION

Find out more Download brief

Featured architecture competitions

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 17 July 2025

Find out more Download brief

Mujassam Watan
Urban Sculpture Challenge

Mujassam Watan Urban Sculpture Challenge

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

Final registration deadline 24 July 2025

Find out more Download brief

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

Final registration deadline 11 September 2025

Find out more Download brief

The Architect’s
Stair

Find out more Download brief

The Architect’s Stair

Take a step and make a statement!

Take a step and make a statement! Edition #2 ideas COMPETITION

Prize Monetary award

Eligibility Open to all

Final registration deadline 26 June 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

Final registration deadline 9 July 2025

Concrete
Pavilion

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Concrete Pavilion

Design a concrete pavilion

Edition #3 ideas COMPETITION

Prize Monetary award

Eligibility Open to all

Final registration deadline 9 July 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

Final registration deadline 10 July 2025

Denver Affordable Housing Challenge

Find out more Download brief

Denver Affordable Housing Challenge

Design affordable housing for Denver

Affordable Housing Series 19th Edition ideas COMPETITION

Prize Monetary award

Eligibility Open to all

Final registration deadline 17 July 2025

The Architect's
Chair

Find out more Download brief

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 17 July 2025

Re:Form -
New Life
for Old Spaces

Find out more Download brief

Re:Form - New Life for Old Spaces

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

ideas COMPETITION

Prize Monetary award

Eligibility Open to all

Final registration deadline 24 July 2025

Howard
Waterfall Retreat

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Howard Waterfall Retreat

Design a house near an iconic waterfall in the USA

project COMPETITION

Prize Monetary award

Eligibility Open to all

Final registration deadline 24 July 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

Final registration deadline 24 July 2025

The Last
Nuclear Bomb Memorial

Find out more 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

Final registration deadline 10 September 2025

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