Results of: Little Big Loo 2025 Architecture Competition

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Volume Zero Competition

Results Announcement Date:

December 23, 2025

Winners:

FIRST PLACE: Florentina Julisa Friska Cristiani, Daffa Yusfi Aziz Saebani & Helen Saphira Wibowo
SECOND PLACE: Xiaotong Ma
THIRD PLACE: Dan Xue, Shuning Lyu & Huanchun Xi
STUDENT AWARD: Svetlana Zakharova & Stefan Eckler

Honorable Mentions:

Honourable Mention 1: Nooshin Zangeneh, Negin Sadri & Amirreza Karimi
Honourable Mention 2: Dao Wu
Honourable Mention 3: Di Man, Mang Gia Bao & Do Ngoc Han
Honourable Mention 4: Cristian Daniel Palomino Carbonel, Isabel Florida Rojas & Arumi Janis Pala Valeriano
Honourable Mention 5: Rakshith Rai, Sujith Hariharan.R & K Shashavindu
Honourable Mention 6: Diabate Vakaba Abdou Rahim, Brou Ahou Yah Grace & Kouassi Alex Junior Kossonou
Honourable Mention 7: Kelvin Lee & Chiam Xin Ru
Honourable Mention 8: Akash Katnawar, Tepaish Kumar & Prabhjot Rajpal
Honourable Mention 9: Shayon Samajpati & Ananya Roy
Honourable Mention 10: Mayuresh Pradhan & Varada Avachat

Detailed/Aditional Information:

International design competition platform Volume Zero has announced the results of the Little Big Loo 2025 Architecture Competition.

The Little Big Loo Competition invited visionary ideas aimed at redefining public sanitation by challenging conventional perceptions of public toilets. The initiative sought innovative, efficient, and impactful design solutions to address the efficiency of public restrooms, their sanitary facilities, spatial distribution and mainly, privacy and comfort, which ultimately improve peoples’ lives.

The competition challenged its participants to rethink and re-imagine the conventions of public toilets and encourage the best possible solutions for this serious problem scenario, which is plaguing our World. Participants were required to design a public toilet that should be capable of catering a footfall of 250-500 people, with the total built-up area not exceeding 150 sq. m., while integrating spaces that should be visualized as a prime component in the making of a community that develops holistically; a community that is competent in social, economic and educational terms.”

Participants from more than 37 countries contributed valuable concept ideas to the contest, which was evaluated by a panel of international experts.

Volume Zero Competition thanks all the competitors for participating in this competition and for contributing to this competition’s research.

The esteemed jury for judging this competition consisted of Bruno Santa Cecilia (Arquitetos Associados), Carla Osorio & Mario Avila (Espacio 18 Arquitectura), Catherine Ranger (MGS Architects), Chen Lin (Shulin Architectural Design), Dipen Gada (DG Associates), Doan Thanh Ha (H&P Architects), Eduardo Sainz (SAINZ arquitetura), Hoang Thuc Hao (1+1>2 Architects), Ngô Việt Khánh Duy (23o5studio), Widhi Nugroho (Studio WNA).

The top three winners and Best Student were awarded total prize money of $4,500 while ten entries received Honorable Mentions. Here are the winning entries. The full result for the competition the Little Big Loo 2025 Architecture Competition can be found at –
https://volumezerocompetitions.com/competitions/result/little-big-loo-2025

Website of Competition: