Understated yet striking
The new SPD party headquarters captivates with its dynamic, multifaceted façade
The SPD party headquarters in North Rhine-Westphalia, built in the 1950s, had long since outlived its usefulness—both inside and out. A new building was planned for the Kavalleriestraße site, near the NRW Bank, combining modern office space with a substantial residential component. Ehricharchitekten of Düsseldorf handled everything from concept and detailed design through to completion and project supervision. Their solution: a building wrapped in an aluminum element façade that opens and closes fluidly based on functional needs.
While the development plan called for a minimum of 20 percent residential space, the architects achieved 38 percent—28 units in total, several fully accessible. Apartments and four office units occupy floors one through four, each with separate stairwells and barrier-free elevators. The ground floor unveils an impressive party foyer leading into seminar rooms for the party's educational programs. Above, the fifth-floor setback contains a naturally lit conference hall that subdivides flexibly into smaller meeting spaces, complete with a biodiverse green roof terrace. Rather than a basement garage, a passage through the building directs residents to bicycle parking—a sustainable choice.The building's restrained yet commanding presence stems from its composite façade of fiber cement panels and aluminum elements, each calibrated to its function. The office zone alternates between fixed and operable windows above a functional base that serves both as seating and storage—a formula that yields a relaxed, transparent workspace. The residential section employs a measured window-to-panel ratio suited to privacy needs. Acoustic windows mostly operate freely, particularly on the green courtyard side where they open onto cantilevered balconies.A monochromatic bronze-beige palette, echoed in external shading devices, provides visual continuity. Recessed horizontal cornices and vertical pilasters constantly shift shadows across the façade, layering it with depth and complexity. The interplay of light across seasons and times of day adds further richness to this understated composition.
Photography Credits:
Max Schade
www.galerie-schade.de
(Published in CUBE Düsseldorf 03|23)
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