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Concrete walkway in front of the glazed façade with round columns and a curved steel balustrade, the projecting gallery above, tall trees to the right

Project

Flussbad Campus - Werft

Client

Slowness

Services

Detailed design, new build and fit-out

Location

Berlin

Completion

2028

Reethaus sets the tone, Werft under way

Flussbad Campus Berlin

On the site of the historic Weimarer Flussbadeanstalt on the Rummelsburger Spree, the Flussbad Campus is taking shape as an interdisciplinary place for culture, work, gastronomy and health. After the launch of the Reethaus, the Werft (shipyard) follows as the spatial bracket of the campus, connecting the Bootshaus and the “Platte”.

Round concrete column and projecting gallery deck with a wire-mesh balustrade in front of a façade of profiled glass, framed by leafy branches
Façade detail of the Werft: an exposed-concrete column and slab edge in front of the blue-green corrugated cladding.

“A temple made of reed … Contemplative architecture of concrete, glass and thatch.”

AD-Magazin
Flussbad Campus Werft spiral staircase fair-faced concrete SB4

The exposed-concrete spiral staircase in the narrow stairwell, lit from above through the balustrade.

The Flussbad Campus is the flagship project of the hospitality collective Slowness and has been growing step by step since 2023. The ensemble weaves existing and new buildings into a place for collaboration and programme. The Werft was designed by Brandlhuber+, Christian Kerez and Muck Petzet Architekten, the Reethaus by Monika Gogl. The interior fit-outs of the Werft are designed by Norm Architects of Copenhagen; OOW is responsible for their detailed design, tender and design supervision.

The Reethaus marked the cultural overture in 2023: a monastically pared-back space for sound and gathering, with 360-degree spatial audio, curated “Open Haus” formats and private hire. Its architectural language emphasises calm, materiality and focus – a counterpoint to conventional conference architecture. In future, the Werft will bring together the central functions of the campus: a two-storey auditorium for teaching, talks and performances, working lofts, member desks, studios, a gallery bar, a library, health & movement and hotel rooms. The new building – designed by Brandlhuber+, Christian Kerez and Muck Petzet Architekten – relies on a robust, direct palette of concrete, glass and raw brick. Since late 2019, OOW has produced the detailed design of the Werft building; the building is complete, and the interior fit-outs will be finished by the end of 2028.

As the gastronomic anchor, the Bootshaus is taking shape with an all-day restaurant and a club floor (planned opening 2026/2027). The Platte already offers working lofts and serves as the base for ongoing operations.

Across all of its building blocks, the campus pursues the principle of measured use of resources: few, precisely chosen materials; exposed load-bearing and fit-out structures; flexible, large-format spaces for varied uses. The sum is a clear, durable architecture that puts programme and operation to the fore.

  • Facade detail with milky profiled glass wall between two concrete slabs, wire mesh steel railing, tree branches at right

    The Werft's profiled glass facade: since late 2019 OOW has led the detailed design of the Brandlhuber and Petzet building.

  • Paired images: free-standing concrete spiral stair in a round stairwell, and access balcony with round concrete columns and mesh railing

    Spiral stair and access balcony at the Werft – from the walkway the view crosses the campus to the Reethaus.

  • Paired images: profiled glass facade with round concrete column and foliage, and multi-storey courtyard with access balconies, black window frames

    View into the courtyard: behind the access balconies lie working lofts, studios, the library and hotel rooms.

  • Technical drawing with three vertical sections through a helical concrete stair across several storeys, fine lines on white ground

    Detailed design of the spiral stair: three vertical sections set out how the fair-faced concrete SB4 winds through the storeys.

  • Shell interior: milky profiled glass wall left, red brick wall right, concrete stair with tubular handrail rising to a gallery

    Working loft under construction: profiled glass, raw brick and concrete stay exposed – load-bearing and fit-out structures left unclad.

Frequently asked questions

What is taking shape at the Flussbad Campus in Berlin?
On the site of the historic Weimarer Flussbadeanstalt on the Rummelsburger Spree, an interdisciplinary place for culture, work, gastronomy and health is taking shape. The campus is the flagship project of the hospitality collective Slowness and has been growing step by step since 2023; the Reethaus made the cultural overture in 2023.
What is OOW's role in the Werft building?
Since late 2019 OOW has produced the detailed design of the Werft building; the building is complete and the interior fit-outs run to the end of 2028. The new building was designed by Brandlhuber+, Christian Kerez and Muck Petzet Architekten and relies on a robust, direct palette of concrete, glass and raw brick.
Which uses does the Werft bring together?
A two-storey auditorium for teaching, talks and performances, working lofts, member desks, studios, a gallery bar, a library, health and movement, and hotel rooms. As the spatial bracket of the campus, the Werft connects the Bootshaus and the Platte.

Facts and figures

20
Columns
5600
m of conduit
1
Car lift

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