patrick holzer
freelance architect eth


concept, design, project and site management, consulting


collaborations
+ch studio berlin, undjurekbrüggen, aada, afea, ammi, radiant, nicolas schwegler, constantin riess

teaching/research    2026- lba, universität der künste berlin udk
lectures2026-06 sustainable construction, seminar werben (elbe) 
2026-06 „einfamilienhaus-haus“, universität der künste berlin udk
2026-05 contextual design, gebäudelehre_rwth aachen university
2025-06 komturei werben, berliner hochschule für technik bht



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2411frankfurter allee

status
location


completed
berlin, de

authors+ch studio berlin, christian cotting, patrick holzer
In this apartment, within one of Frankfurter Allee’s representative buildings, the dense 1950s layout is transformed into a space of lightness. Bathroom and kitchen are rotated 90 degrees around the existing service core, existing openings are enlarged and linoleum replaces the original PVC flooring. 

Everything else remains—yet much changes. Daylight now reaches every room, circulation space disappears, and its former role is woven into the everyday use of the kitchen, which is drawn toward the center through visual connection.

The original floor plan remains legible, yet its programmatic logic is reinvented. The intervention preserves the building’s character while opening it up to contemporary living, where light, spatial clarity, and layered connections redefine both how the apartment is read and how it is lived.