b+ (bplus) is a Berlin-based architecture practice focused on adaptive reuse, emphasizing systemic design, collaboration, and ecological solutions to transform existing buildings and neighborhoods.
b+ (bplus) is a collaborative architecture practice based in Berlin, Germany, specializing in adaptive reuse and transformation of existing buildings and neighborhoods. The firm operates at the intersection of theory and practice, using various media and formats to engage with contemporary challenges, particularly those related to social-ecological transformation. Founded by Arno Brandlhuber, b+ emerged from Brandlhuber+ (2006-2021) and is now led by Brandlhuber, Olaf Grawert, and Jonas Janke. The practice views buildings as part of larger systems requiring a systemic approach and sees the existing framework of buildings and legislation as an active design tool for transformation. b+ has worked on various projects, including the transformation of two concrete towers in former East Berlin, originally used for graphite production, into a new space named San Gimignano Lichtenberg. Other projects include the Plateforme de la Création, an installation in collaboration with Studio Muoto, and the Ökohaus, a sustainable housing project. The firm emphasizes collaboration with different actors and stakeholders, valuing their knowledge and expertise to create spaces for exchange and dialogue. b+ aims to advance a new value system in architecture, focusing on collective responsibility, systemic thinking, and ecologically and economically viable solutions. With a diverse background in architecture and a strong focus on adaptive reuse and renovation, b+ has received several awards, including nominations for the European Union Prize for Contemporary Architecture Mies van der Rohe Award and the Deutscher Architekturpreis.