The inaugural Copenhagen Architecture Biennial makes its debut from 18 September to 19 October 2025, under the theme Slow Down. Organised by CAFx (Copenhagen Architecture Forum), the new biennial marks a shift from the previous annual festival format, to a more expansive platform for architectural exploration. Led by Josephine Michau, CEO and Founder of CAFx and curator of the Danish Pavilion at the Venice Architecture Biennale 2023, the event aims to foster critical reflection on architecture's role in shaping societies and the environment. The theme Slow Down invites participants to reconsider the rapid pace of modern life and its impact on the built environment.

As the world faces the consequences of the Great Acceleration—characterised by unprecedented growth in population, energy use, and resource consumption—the biennial seeks to explore how architecture can contribute to a "Great Deceleration." This involves envisioning spaces that promote sustainability, longevity, and mindful engagement with our surroundings.

Visitors to the Biennial can look forward to more than +250 exciting events. Visitors will experience Danish household names such as Adept with the event ‘Fast City/Slow architecture’ and Lendager with the event ‘Living Lab’ as well as exhibitions with international stars like Atelier Bow Wow, Rem Koolhaas, sonic architecture by Ying-Hsueh Chen and an event with the Japanese philosopher Kohei Saito. As well as Open House Copenhagen, that invites audiences inside buildings typically closed to the public.

Copenhagen Architecture Biennial 2025

 is an annual celebration of London's architecture and neighbourhoods, and the people and communities that make them. Every year, buildings and other sites across all 33 London boroughs open to the public, so that Londoners can explore and learn about them.