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Visualization: Quartier Sander-Eck, Würzburg
Visualization: Quartier Sander-Eck, Würzburg © EWB Architekten

Sander-Eck quarter

Location: 
Würzburg

Completion:
2027

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Sander-Eck quarter

Location Randersackerer Straße 3-5 and 11A in Würzburg
The construction project comprises the erection of a residential building on the property at Randersackerer Straße 3-5 and an extension to the listed garden pavilion in the inner courtyard .

Another new residential building with a daycare center on the first floor is planned for the property at Randersackerer Straße 11a in the south of the plan area. The listed garden pavilion will be retained and will be renovated according to the architect/protection of historical monuments. The new buildings are planned with five or six full storeys and an underground car park.

Randersackerer Strasse No. 3 and No. 5
The planned building at Randersackerer Strasse 3-5 closes the corner to Felix-Dahn-Strasse with a continuous, staggered structure. This will define and enhance the space in accordance with its high urban significance.
The new building is planned with five or six full storeys and will form a harmonious transition to the neighbouring buildings by incorporating and continuing the existing eaves heights. At the corner of Randersackerer Strasse and Felix-Dahn-Strasse, the new building with six full storeys forms its high point, which frames the square situation with the "Ehehaltenhaus" stop with the existing surrounding buildings.

Randersackerer Strasse no. 11A
The project is completed at Randersackerer Strasse 11A with a further new building. With its cubature, storey height and roof shape, this blends seamlessly into the existing five-storey development and the roof landscape of predominantly hipped roofs. Due to the planned use as a day care center, the first floor has a larger footprint than the upper floors and extends in an L-shape to the rear of the property.

The project is aiming for DGNB "Sustainable Building Site" certification from the German Sustainable Building Council.

  • Construction site camera
  • Characteristics
    • Plot area (GF):
      R11: 1,018 m²
      Pavilion +R35: 3,517 m²
      Total: 4,535 m²
    • Built-up area (BF):
      R11: 359 m²
      Paillon +R35: 1,897 m²
      Total: 2,256 m²
    • Gross cubic capacity (BRI):
      R11: 5,632 m³
      R35: 33,383 m³ (+ 901 m³ pavilion)
      Total: 39,015 m³
    • Gross floor area (GFA):
      R11: 1,756 m²
      R35: 9,958 m²
      Total: 11,714 m²
  • Construction time
    • R35 Shell construction and expansion from 28.04.2025 to 15.01.2027, duration: 88 KW
    • Shell construction work from 28.04.2025 to 06.02.2026, duration: 40 KW
    • Expansion work from 29.09.2025 to 30.11.2026, duration: 60 KW
    • Commissioning from 02.11.2026 to 15.01.2027, duration: 10 KW
    • R11 Shell construction and expansion from 23.05.2025 to 30.11.2026, duration: 79 KW
    • Shell construction work from 23.05.2025 to 17.10.2025, duration: 21 KW
    • Expansion work from 29.09.2025 to 30.10.2026, duration: 56 KW
    • Commissioning from 01.10.2026 to 30.11.2026, duration: 8 KW
  • Construction site regular operation
    • Monday to Friday 06:00 to 19:00
    • Saturday 07:00 to 15:00
    • There is generally no work on Sundays and public holidays.

Certified by the German Sustainable Building Council (DGNB)

Ed. Züblin AG is pursuing several goals with this project: A sustainable construction site organization, the conservation of resources as well as the minimization of emissions, responsibility for the health and well-being of the builders, the cultivation of good neighbourliness and, of course, high-quality construction. For this, Ed. Züblin AG was the first company to be recognized by the German Sustainable Building Council (DGNB).

Here you can find more information about the DGNB system for sustainable construction sites: https://www.dgnb.de/en/certification/buildings/construction-site

Selected measures in the project

  • Finished parts

    The extensive use of prefabricated parts (filigree slabs, cavity walls, parapets, columns, balconies and stairs) means that a shorter construction time can be achieved. The prefabricated orders also reduce the amount of waste and shorten the construction time. This reduces possible noise and dust emissions from the construction process to a minimum.

  • Digital concrete call-off

    In order to be able to coordinate the concreting in the best possible way, call-offs are made using a digital application. Particularly in the case of large-scale concreting, the delivery quantities can be coordinated with the concrete pump, thus reducing the waiting times of the concrete mixers and the noise emissions caused by the mixing vehicles being switched on. Production times are optimized and noise emissions reduced.

  • Inner city location

    The project is in an inner-city location, which means that the impact of the construction site on the surrounding area is reduced to a minimum. Deliveries are timed just-in-time, limit values in accordance with the AVV construction noise regulations are adhered to and dust emissions are reduced to a minimum by means of designed measures.

  • Reuse of construction site equipment

    The construction site containers were taken from Würzburg construction projects instead of the central storage facility in Munich in order to reduce costs and distances. This reduces distances, speeds up processes, minimizes CO2 emissions and promotes reuse.

  • Regular information for the neighborhood

    The neighborhood is informed about upcoming process steps that may have an impact on everyday life in the surrounding area. For example, advance information on the construction of the one-way street, possible extensions to working hours on the construction site, work with temporarily increased noise emission potential, such as large-scale concreting or concrete smoothing. The information is mainly provided by means of postage slips per letterbox.

  • Photovoltaic system

    The flat roofs of the building will be fully covered with photovoltaic modules. In addition, the south-facing wall surface of the corner building will be covered with photovoltaic modules. This will ensure a largely self-sufficient supply structure.

  • Information mailing list for residents and people concerned about the construction project

    If you are interested in current and future work, please send an e-mail to the project e-mail address sandereck@zueblin.de is available. Residents and those with concerns will be added to the project's information mailing list so that updates can be provided quickly and digitally during the construction process. This will also give residents the opportunity to prepare for any short-term or extraordinary emissions from the construction site.

Project e-mail address sandereck@zueblin.de
Certification contact person Verena Schirmer
Project contact Jevgenijs Kozlovs, Karl Räth
Construction site address Randersackerer Straße 3-5 and 11A
97072 Würzburg

Phone +49 9305 889-0
ZÜBLIN Central Subdivision
Secretariat Würzburg unit
Download Press release
Link DGNB: Certification