The International Sustainable Building Competition
Dezeen Competitions: The International Sustainable Building Competition recognises newly built and existing buildings from a range of categories that are outstanding examples of sustainable architecture practices.
The competition’s winner will be announced during COP31, the 31st United Nations Climate Change Conference taking place in Turkey from 9 to 20 November 2026.
This competition is now closed
Organiser: YeS-INT
Competition: The International Sustainable Building Competition
Judges: the judging panel will comprise experts in sustainable buildings and related fields. The names and job titles of the jury members will be announced at a later stage
Submission deadline: 1 October 2026
Winner announcement: the results will be announced within the scope of COP31 in Antalya
Prizes: winners will be awarded a certificate of honour
Competition overview
The International Sustainable Building Competition will be held at COP31.
It will be open to participants from all countries, with the aim of promoting energy-efficient, low-carbon, climate-resilient, and sustainable building practices. It will also highlight the best solutions, and support their global dissemination.
Eligibility and judging criteria
Existing (in-use) and new buildings at the pre-occupancy stage are eligible.
Residential, office, hotel, and public service buildings – such as schools and hospitals – can participate.
Projects should demonstrate sustainable building characteristics and have the potential to serve as exemplary sustainability models in their respective countries. Applications must be submitted by an authorised representative of the building.
Judges are looking for projects that demonstrate strong, innovative and practical approaches to sustainable building, with measurable environmental and energy performance and the potential to serve as exemplary models for sustainable building in their countries.
Winning projects should demonstrate how sustainable design and building practices can be successfully applied in practice and provide transferable examples for the wider international building community.
How to enter
Applications must be submitted online by an authorised representative of the building, together with project details and relevant sustainability studies.
Dezeen readers can enter the competition online via the official YeS-INT website.
Submission deadlines
The submission deadline is 1 October 2026.
The results will be announced within the scope of COP31 in Antalya. The exact ceremony date will be announced at a later stage.
About YeS-INT
YeS-INT is a Turkey-designed international platform that promotes and recognises exemplary sustainable building projects worldwide.
It aims to highlight the best practices in areas such as sustainable design, energy performance, indoor quality and green building.
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