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LocationFrankfurt
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ProjectConstruction of a new Sparkasse Building
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ClientFrankfurter Sparkasse
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Architect of recordCaspar Schmitz-Morkramer
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Project controllingBMP Baumanagement GmbH, Frankfurt am Main
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Technical building equipmentPlanungsgesellschaft Statzner mbh, Eltville am Rhein;
K. Dörflinger Gesellschaft für Elektroplanung mbH & Co. KG, Allendorf -
Structural engineeringRSP Remmel + Sattler Ingenieurgesellschaft mbH, Frankfurt am Main
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Fire protection;
Building physicsLenz Weber Ingenieure GmbH, Frankfurt am Main -
Landscape architectureHKK Landschaftsarchitektur GmbH, Frankfurt am Main
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Facade planningIFFT Institut für Fassadentechnik, Frankfurt am Main
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Planning and construction period2021–2028
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Service phases2–4
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Gross floor area12,300 m²
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CertificationsDGNB Platin,
WiredScore Gold -
Visualizationscaspar./bloomimages
The Hauptwache is arguably one of Frankfurt’s most recognized public spaces – a place where many threads come together: commerce, culture, and church, history and the present day, work and leisure. On Katharinenpforte, directly adjacent to the plaza, we are designing a six-story office and mixed-use building as the head of a city block. Its prominent position and the visual relationship with St. Catherine’s Church led us to develop the facade and massing with a subtle twist. The grid structure of the punched facade is composed of light-colored natural stone and floor-to-ceiling windows. It wraps cleanly across the entire building volume, turning both corners. At two points, the top two floors tilt inward without losing the structure of the grid. In this way, the massing responds to the lower neighboring building on Kleiner Hirschengraben and to the eave height of the church. This movement creates a portal situation that unites two very different architectural protagonists in a single image.
“In order to adapt to the different eaves heights, we developed the idea of a slightly twisted structure. With its gentle twist, it creates a kind of portal situation in conjunction with the St. Catherine’s Church across the street. The twist is the subtle but striking feature of the building, and at the same time symbolizes the idea of integrating differences, which is programmatically so important for the future of inner cities.”
The five upper floors will house 7,300 sq m of premium office space, custom-designed for Frankfurter Sparkasse. Triple-glazed windows allow ample daylight into the interiors; street-facing windows are operable, and each office floor on the block interior side features a balcony. Visible from there is a landscaped terrace on the second floor, designed as a communal meeting point. A true added value for everyone working in the building will be the 500 sq m rooftop garden on the sixth floor, offering a sweeping panorama across the city’s rooftops.
The office floors are accessed through entrances at Friedrich-Stoltze-Platz and Roßmarkt, marked in the facade by double-height openings with rounded lintels. We repeat the motif of rounded openings on the top floor, using this deliberate exception to the grid to create a cohesive overall composition. The Hauptwache is one of the city’s largest public transit hubs. In addition, the underground parking garage on the second basement level provides spaces for cars and bicycles, with a bike elevator giving cyclists direct access to their parking spots. We treat the roof as a fifth facade and leverage its potential to equip the building sustainably. The abundant planting on the roof terraces contributes to improving the microclimate and promoting biodiversity. Rainwater is harvested, and photovoltaic panels will optimize the building’s on-site energy supply. We are targeting DGNB Platinum certification.
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Caspar Schmitz-Morkramer
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Fabio Di Franco
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Melanie Fior
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Maria Fayos Alvarez
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Linda Glesius
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Ilse Kampers
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Thomas Maximini
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Marcel Jansen
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Yijia Liao
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Camila Alvarez Garcia
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Kristina Rhiemeier