In the city of Paderborn in western Germany, David Chipperfield Architects have converted and extended a historic building complex, a former monastery, for a family-run company, exposing the historic building fabric, and extending it with new wings.⁠

The Jacoby Studios now serve Tap Holding as their new company headquarters. The conversion of Jacoby Studios involved the removal of post-war additions, where the order and organization of these additions are determined by the orthogonal structure of the historic monastery.
The new company headquarters, projected by David Chipperfield Architects, combines a sustainable concept of building within the existing fabric with a low-tech approach. The basis for the sustainable energy concept is formed by the use of local conditions, such as the use of water from the neighboring tributary of the river Pader to generate energy using a heat pump.

The different layers of the historic building fabric made of stone and bricks were exposed, repaired, and where necessary, completed. Extending this existing structure, the new building further develops the ensemble using exposed concrete and timber.

 

Description of project by David Chipperfield Architects

The former ‘St. Vincenz hospital’ is situated in the medieval town centre of Paderborn next to the western tributary of the Pader Springs. The hospital moved out in 2013 and the existing complex has been converted into a new headquarter for a family-run company designed by David Chipperfield Architects Berlin.

The existing ensemble originates from a former seventeenth century Capuchin monastery. The buildings, which were used as a hospital from 1841 onwards, were severely damaged during the Second World War. Subsequently, the complex underwent several changes and extensions through reconstruction and later modifications. The conversion for the Jacoby Studios involved the removal of the post-war additions, exposing the historic building fabric of the monastery once again. In particular, the chapel façade, the cloister, the east building wing and the seventeenth century cellar were preserved and restored, creating a picturesque ruin structure made of quarry-stone masonry with the former cloister at its heart. The complex of monastery and annexes is embedded into a garden designed by Wirtz International.

New extension wings, ranging from two to three-storeys, are arranged in accordance with the orthogonal structure to the north, west and south of the original buildings. Through the historic entrance gate and the former chapel, visitors access the entrance foyer.

Echoing the historic situation, the ensemble appears once again in the cityscape as a well-balanced composition of different volumes. In the urban landscape of the Pader Springs, the new complex has its own sense of identity, while maintaining historic continuity.

- Historic building and usage

In the second half of the 17th century, a Capuchin monastery was built on the site. Plans from the 19th century show the monastery as a four-wing complex with an inner courtyard, cloister and church. From the beginning of the 19th century until 2012, the building was used as a hospital, most recently as the St. Vincenz Hospital. During the Second World War the structure was partially destroyed and subsequently rebuilt in the mid-1950s. The volumetric shape of the original building was however extensively altered. After the hospital moved out, the Order of the Vincentian Sisters sold the building in 2012 to the Jacoby family. The decisive factor in choosing the Jacobys was their trust in the family, that they would respect and perpetuate the history of the site as the headquarters of their family business.

- Urban context

The Pader springs are situated at the edge of Paderborn’s old town, today a spacious public park that is traversed by numerous tributaries. The former St. Vincenz hospital is located on one of these tributaries, its grounds bordered by a largely still existing historic wall. An ensemble of new wings, ranging from two to three storeys, extends the structure of the existing historic building fabric of the former monastery. The order and organization of these additions is determined by the orthogonal structure of the historic monastery. As a result, the ensemble once again appears as a free-standing composition of volumes within the cityscape, standing out from the surrounding perimeter block buildings. In spite of the still existing medieval town layout, the surrounding buildings are predominantly characterized by simple rendered façades, mainly from the second half of the 20th century. With the extensive preservation of the outer masonry, the new ensemble exhibits a high degree of historical continuity within this urban landscape.

- Conservation and restoration

In investigating the building fabric using an archaeological approach, the historical building elements of the former monastery complex were initially identified. These elements served as the starting point for the architectural concept of the newly developed ensemble. As a direct result of the building research and the regained visibility, all historic building elements were placed under monument protection in agreement with the client.

The dismantling of the post-war additions revealed a ruinous structure, consisting mainly of quarry stone masonry with the former cloister at its centre. The façade of the chapel, the façade of the eastern wing of the building and the historic cellars of the complex have also been preserved. While the chapel façade was preserved as the main entrance, the interior of the former chapel was transformed into an exterior space, the chapel courtyard, serving as an entrance courtyard. Remains of the former cloister are integrated into this central courtyard. The different layers of the historic building fabric made of stone and bricks were exposed, repaired and, where necessary, completed. Extending this existing structure, the new building further develops the ensemble using exposed concrete and timber.

- Sustainability

The new company headquarters combines a sustainable concept of building within existing fabric with a low-tech approach. By preserving the existing building fabric and using simple, low-maintenance and durable technology, resources were saved and waste avoided. The carefully considered use of mechanical devices for climate control in the interior replaces a comprehensive air-conditioning system with high energy consumption.

The basis for the sustainable energy concept is formed by the use of local conditions: water from the neighbouring tributary of the river Pader is used to generate energy by means of a heat pump. For cooling in summer, the concrete ceilings are activated; in winter, heat is supplied via an underfloor heating system. Both systems use the almost constant temperature of the river water throughout the year.

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Architects
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Design team
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Partners.- David Chipperfield, Martin Reichert. Thomas Benk, Thea Cheret, Dirk Gschwind, Elsa Pandozi, Franziska Rusch, Diana Schaffrannek, Eva-Maria Stadelmann, Amelie Wegner.
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Collaborators
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Preparation and brief to Developed Design - Design intent details - site design supervision.- Frithjof Kahl. Concept study.- Franziska Rusch. Design lead.- Alexander Schwarz. Graphics, Visualisation.- Dalia Liksaite. Structural engineer.- Gantert + Wiemeler Ingenieurplanung, Münster. Services engineer.- Köster Planung GmbH, Münster. Building physics, Acoustics, Lighting consultant.- Hansen Ingenieure, Münster. Fire consultant.- HHP West Beratende Ingenieure GmbH, Bielefeld. Landscape architect.- Wirtz International nv, Schoten, Peter Wirtz, Jan Grauwels. Project management.- Jochem Vieren. Construction documentation.- Schilling Architekten, Cologne. Construction management.- Michael Zinnkann.
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Client
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Jacoby GbR represented by Ellen Jacoby, Franz Jacoby, Yvonne Jacoby.
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Area
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Gross floor area.- 12,500 m² in total, 7,200 m² above-ground.
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Data set
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Floors.- 2 – 3 above-ground, 1 below-ground. Height.- 11.8 m above ground. Length x width 87 x 65 m.
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Dates
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Project start.- 2014. Construction start.- 2017. Completion.- 2020.
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Manufacturers
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Restoration.- Rochus Michnia, Königswinter. Timber windows.- Tischlerei Gehner, Osnabrück. Exposed concrete.- Läer + Rahenbrock, Georgsmarienhütte. Timber windows.- Becker 360, Medebach. Oak floorboards.- Fa. Wimmer, Töging am Inn. Office furnishings.- Vitra, Weil am Rhein, Michael Sans, Berlin. Furnishings.- Azucena, Novedrate, Italy, Michael Sans, Berlin.
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Location
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Kisau 8, 33098 Paderborn, Germany.
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Photography
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Simon Menges, David Chipperfield Architects, Ute Zscharnt für. 
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David Chipperfield was born in London in 1953 and studied architecture at the Kingston School of Art and the Architectural Association School of Architecture in London before working at the practices of Douglas Stephen, Richard Rogers and Norman Foster.

In 1985 he founded David Chipperfield Architects, which today has over 300 staff at its offices in London, Berlin, Milan and Shanghai.

David Chipperfield has taught and held conferences in Europe and the United States and has received honorary degrees from the universities of Kingston and Kent.

He is a member of the Royal Institute of British Architects (RIBA) and an honorary fellow of both the American Institute of Architects (AIA) and the Bund Deutscher Architekten (BDA). In 2009 he was awarded the Order of Merit of the Federal Republic of Germany and in 2010 he received a knighthood for services to architecture in the UK and Germany. In 2011 he received the RIBA Royal Gold Medal for Architecture and in 2013 the Praemium Imperiale from the Japan Art Association, while in 2021 he was appointed a member of the Order of the Companions of Honour in recognition of a lifetime’s work.

In 2012 he curated the 13th International Architecture Exhibition of the Venice Biennale.

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