Organizer: Buildner, in partnership with ArchDaily
Deadline / date: Registration closes 2027-09-15; Q&A deadline 2027-09-20; submission by 2027-10-18 11:59 London time. Winners announced 2027-12-07.
Format: Online.
Eligibility: Open to all, regardless of location or qualifications. Language: English.
Prizes / fees: €50,000 prize fund shared across three size categories, plus a trophy and publication in the Unbuilt Book. See the official page for registration fees.
Official link: Buildner's Unbuilt Award International Architecture Ideas Award
Summary: An award for unbuilt work: concepts, unrealized proposals, and projects still on paper. Entries compete in small (up to 100 m²), medium (101–999 m²), or large (over 1,000 m²) categories.