The history of the long-established Gustav Epple company began in 1909 with the takeover of a small carpentry shop in Degerloch and is now—over 100 years later—continued in a sustainable, modern building that offers space for around 115 employees on a gross floor area of 4,300 square metres. The transformation of the premises stands for change and the new company building for the values of the evolved company. In this context, the building materials wood and concrete play a central role, both in terms of design and function, and serve as a reminder of the history and philosophy of Gustav Epple Bauunternehmung.
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The new administration building of Gustav Epple Bauunternehmung remains true to its roots: just a stone’s throw away from the old company headquarters, the striking building at the intersection of Bruno-Jacoby-Weg and Tränkestrasse in Stuttgart’s Degerloch district is the “face of the new location” and marks the start of the Tränke Industrial Park. The compact volume stands out self-confidently from the surrounding buildings and already represents the inner values of the company on the outside: innovation and progress as well as tradition and down-to-earthness.
In keeping with the company’s mission statement “Anders.Bauen.” (Building.Differently.), the monolithic exterior wall construction consists of 60-centimetre-thick insulating concrete, which was given its shape using a mixture of custom-made formwork elements and tried-and-tested system formwork. At the same time, Epple dispensed with conventional and artificially produced insulating materials, thus setting an example towards active environmental protection. The basement houses the underground car park and all the building services that control the company’s sustainable energy concept. Heating and cooling are supplied by means of a heat pump, a re-cooling unit and an underground ice storage facility. A photovoltaic system is installed on the roof.
Awards: Hugo-Häring-Award Stuttgart 2023
The new administration building of Gustav Epple Bauunternehmung in Stuttgart’s Degerloch district marks the start of the Tränke Industrial Park. It is a 3-storey, sculptural new building designed as a fair-faced concrete structure of insulating concrete. The building material concrete lends the building strength, vigour and its very own character, which underlines the architectural idea and additionally intensifies its impact in the interplay with the extravagant ground plan. The building thus presents itself on a footprint that is reminiscent of an isosceles triangle with rounded and right-angled corners, defining an elegant and soft building contour. The unusual shape of the ground plan is also reflected in the special architectural cubature: the two upper floors are supported by three conical concrete cores that open up the building towards the street and the surrounding open spaces for visitors and staff. The challenge to realize a sloped wall construction in lightweight concrete is an expression of the inspiring and solution-oriented cooperation between the client and the architectural office. As a reminiscence of Epple’s history, the fair-faced concrete surface of the walls on the ground floor, modelled on a bevel siding, is reminiscent of a wooden structure. The horizontal grooving further adds a dynamic to the concrete cores at the corners and forms an aesthetic contrast to the otherwise homogeneous fair-faced concrete façade.
The new Epple headquarters is a powerful building that combines unusual architectural ideas with new construction techniques and a high-quality appearance. This building reflects the company’s self-image, and what’s more: it embodies the corporate philosophy of “Building.Differently.” in the truest sense of the word and does justice to all its facets, such as sustainability in terms of economic efficiency, resource-saving environmental compatibility and sophisticated spatial planning.
a+r Architekten stand for solid, environmentally compatible and future-oriented architecture with impressive expertise in the field of sustainable building — also in existing building contexts. Founded in 1985 by Professor Gerd Ackermann and Professor Hellmut Raff, the office with branches in Stuttgart and Tübingen has around 130 employees and is today headed by Oliver Braun, Florian Gruner, Alexander Lange and Walter Fritz. a+r Architekten mainly build for public clients, industry and commerce, municipal housing companies and social institutions. The office focuses on appropriate, ecological, functional and the resulting innovative construction methods. In line with the conviction that “only together as a team can we meet the challenges of the future,” a+r Generalplaner GmbH was founded in 2021 under the leadership of Johannes Weiß.