Donostia-San Sebastián, Bilbao and Vitoria-Gasteiz, Basque Country, Spain
About this story
The Onsite Mugak/ competition invites architecture professionals to propose temporary installations that reinterpret public space and produce new sensory and architectural experiences for the sixth International Architecture Biennial of the Basque Country. Submissions require an anonymous vertical A1 panel and descriptive and technical information, including a budget. Evaluation criteria include architectural and spatial quality, functionality and the ability to generate meaningful public experiences.
Status and timeline
Proposals are due September 18, 2026. The jury decision is scheduled for October 15, followed by execution documents by December 31. Production starts March 31, 2027; assembly starts September 27; installations open successively in the three Basque capitals on October 7, 14 and 21, 2027.
Design highlights
Temporary urban architecture; sensory public-space interventions; sustainability; installations designed for sequential presentation in three cities; anonymity-based architectural competition.
Important dates
· competition submission · Details
· jury decision · Details
· execution project · Details


