The 21st century began with great promise filled with ambition, optimism, and dreams of a better future. Now, twenty-five years later, we stand at a crossroads. Humanity has achieved remarkable feats: exploring distant planets, transforming healthcare, and advancing artificial intelligence and robotics. But we’ve also lived through defining global events, shifts that have tested our societies and systems. Our urban spaces have grown denser and more chaotic, while rural areas have faded into obscurity, taking with them the spirit of entire communities. Deep-rooted challenges still persist, often ignored. As we look ahead, the time has come to rethink how we live, to reset what no longer serves us, and to act, before irreversible damage is done. Open defecation and urination are still rampant in urban and rural areas of developing economies and such practices pose a grave risk to the health of the citizens. The World Health Organization and UNICEF link open defecation with grim issues such as poverty, malnutrition, child mortality and large disparities between the rich and poor. Around the world, around 3.5 million people die because of inadequate water, sanitation and hygiene each year. Poor sanitation is believed to be the main cause of almost 50% of these deaths. Owing to the dire importance of communal sanitation and hygiene, there is an urgent need to develop an integrated approach concerning the development of public health services.CHALLENGEParticipants should unlearn how a conventional public toilet looks like and design an innovative, functional and visually appealing design that serves as a building icon, synchronizing with the surrounding context. The primary use of the designed structure should be as a public toilet. Alongside this, the structure should be innovatively designed as a space for community interaction, in addition to its primary function. The space should be additionally visualized as a recreational/ educational/ social/ urban functional area.The total area of the space should not exceed 150 sq.mt. All age groups of the demography should be able to use the space. The additional space aspect of the toilet should add value to society and the site’s context. The design should be efficient in terms of planning, hygiene, odour-free surroundings and space usage. The designed toilet should be accessible, comfortable/ convenient to use. SITE SELECTIONParticipants can select a site in an urban OR a rural context. There can be an emphasis on deprived locations, irrespective of the site being in an urban or rural area. The site should be carefully placed to accommodate the number of footfalls (circulation in transit hours must be considered). It must be justified with the need for sanitation services.SCHEDULEEarly Bird Registrations: 18th June 2025 to 22nd August 2025Standard Registrations: 23rd August 2025 to 3rd October 2025Last day for queries: 26th September 2025Closing date for Submissions: 30th October 2025Announcement of winners: 23rd December 2025ELIGIBILITYLittle Big Loo 2025 – Architecture Competition is open to all. We invite architects, students, engineers, product designers, thinkers, companies, organizations, and everyone interested in the mission of the competition to submit their ideas. No professional qualifications are necessary.To join this competition, register with us on: https://bit.ly/44lN9PXREGISTRATION FEESEarly Bird Registrations: Participants from India – 2700+18% GST = INR 3186 (per team) Participants from Other Countries – 80 + 18% GST = USD 94.4 (per team) Standard Registrations: Participants from India – 3200 + 18% GST = INR 3776 (per team) Participants from Other Countries – 95+ 18% GST = USD 112.1 (per team)