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CarlO experimental space - sustainable living in Klarenthal

Information on the project

If not here, then where should an all-round beautiful quarter be created that is in harmony with all facets of sustainability?

Oblique aerial view of the former school grounds with a white dashed line around the property boundary. The colors grey and green dominate the photo. You can see the honeycomb-shaped school building and many trees around it. At the edge of the image section are multi-storey residential buildings and a parking deck in the foreground. It is sunny.
Oblique aerial view of the former school grounds

In the middle of Klarenthal, where there are already many things that people need to live, the former Carl von Ossietzky School site is being given a new lease of life. Diverse forms of housing that fit in with the surroundings will create a lively place and offer suitable homes for many needs.

There should be fresh air, relaxing and green open spaces for meeting and playing and affordable living space for everyone. People should be able to get by here without a car and enjoy more space for friendly neighborhoods.

Backgrounds

Aims of the project

We have set ourselves ambitious goals for the new quarter. We are striving for

  • The creation of around 300 new apartments, a daycare center and various other public uses and, if possible, the subsequent use of the existing building.
  • Central accommodation of stationary traffic and the possibility for future residents to do without their own car. We take into account the public transport connections, surrounding potential and alternative mobility options.
  • A climate-friendly energy supply through connection to the existing district heating network.
  • And a green and climate-resilient neighborhood through the preservation of important fresh and cold air axes, the careful treatment of local flora and fauna, as well as the creation of high-quality play areas and open spaces.
  • Where possible, these open spaces should be multi-coded, i.e. several functions should overlap in a meaningful way (e.g. recreation, natural space, water infiltration, CO2 storage, biodiversity, sports area, cooling of the environment, feeling at home, place of well-being, and many more).

Rules of the game for sustainable urban development at CarlO

- A yellow background with an irregular, artistic, brush-like shape. - In the center is the white text "LEBENDIGE STADT" in capital letters. - The design looks modern and creative.

Living city

Development of a lively district with various innovative forms of housing, exploration of densification potential, testing of flexible floor plans, linking with the surrounding residential development, creation of identity-forming district offers, design of socially and spatially permeable urban and open spaces as neighborhood meeting places and, if necessary, the establishment of a district management accompanying the process.

Here you can find the poster for the vibrant city as a PDF filePDF-File65,04 kB.

- An orange background with an irregular, organic shape, similar to a brushstroke. - In the middle is the white text "NEUE MOBILITÄT" in capital letters. - The design is dynamic and appealing.

New mobility

" .... you can manage without a car!": Development of a neighborhood that is as car-free as possible, creation and promotion of alternative mobility options, such as offers for networked mobility, mobility houses, creation of shared space and use of the principle of short distances with the aim of giving public pathways and traffic areas back to the people.

Here you can find the poster on new mobility as a PDF file.PDF-File67,26 kB

- A green background with an irregular, artistic shape reminiscent of a brushstroke. - In the middle is the white text "CLIMATE-OPTIMIZED CITY GREEN" in capital letters. - The design looks organic and natural, in keeping with the theme of sustainability and urban greening.

Climate-optimized urban greenery

Preservation and, if necessary, expansion of green spaces, open spaces, playgrounds and football pitches, strengthening of existing green connections and creation of new communal open spaces, unsealing of open spaces and climate-optimized design, strengthening of biodiversity through species-rich meadows, flowering and perennial areas and succession areas.

Here you can find the poster on climate-optimized urban greenery as a PDF file.PDF-File78,71 kB

Planning process

The image shows a schematic flow chart of a competition procedure. It consists of a horizontal arrow graphic that is divided into several color-coded sections. Each section represents a phase of the procedure, accompanied by symbols and short labels. Green phase (left): Includes "procedure preparation" and "call for competition" with symbols for participation, announcement and a selection committee. Yellow phase (center): Represents the "processing period" and includes an "award". Orange phase (right): Includes "preliminary review" and "further planning services", with symbols for participation and a jury. The graphic visualizes the structured sequence of a planning or competition process.
Competition schedule

Urban and open space planning competition January to April 2024

An urban development and open space planning competition was held from January to April 2024 as the basis for developing a framework plan. When drawing up the competition specifications, we were guided by the analysis of the existing situation, the rules of sustainable urban development, the suggestions of the citizens and formulated high requirements for the urban design.

The design process took place with the participation of experts, politicians and the public. The aim of the competition was to provide a basis for the future development of the former school site into a sustainable residential quarter. A total of 16 teams of urban and landscape planners submitted entries.

A jury with representatives from administration, politics and research made its decision on April 26, 2024. Further information can be found on the website of the Hessen Chamber of Architects (opens in a new tab).

The works of the following office consortia were awarded prizes

1st prize: hartlockstädtebau (Essen), qla Simon Quindel (Essen), Molestina Architekten + Stadtplaner GmbH (Cologne)

2nd prize: CYRUS.ARCHITEKTEN cyrus westphal blank (Frankfurt am Main), GDLA | gornik denkel landschaftsarchitektur (Heidelberg)

3rd prize: raumwerk (Frankfurt am Main), BIERBAUM.AICHELE.landschaftsarchitekten Part.GmbB (Mainz)

4th prize: BeL Sozietät für Architektur (Cologne), rabe landschaften (Hamburg)

Recognition: steidle architekten (Munich), Bialucha Architektur (Darmstadt), bauchplan ).( (Munich)

Various illustrations of the plan area. Here: a framework plan with the new buildings and the modified school building. The development proposal is embedded in the extended surroundings and superordinate routes are shown. The color green dominates. The title above it reads "Green wins! Climate-friendly living in Klarenthal". On the left is a large text block with explanations. Below this is an overview map in which the plan area is located in the west of Wiesbaden.
Various illustrations of the plan area. Here: two colorful schematic drawings on various topics of the task with short texts. as well as a framework plan with the new buildings and the modified school building. The color green dominates. The title above it reads "Green wins! Climate-friendly living in Klarenthal"
Various illustrations of the plan area. Here: Several floor plan drawings of the various storeys
Various representations of the plan area. Here: two photorealistic visualizations, two schematic drawings on different topics and two views showing the plan area with the development proposal from different directions.
Various illustrations of the plan area. Here: a vanishing point perspective showing the ten new buildings and the modified school building, with a short text and a longer explanatory text to the side.
Various representations of the plan area. Here: a photorealistic visualization, a text block, several floor plan diagrams and a section through the entire plan area.
Various illustrations of the plan area. Here: a framework plan that embeds the development proposal in the extended surroundings and several schematic drawings on various topics
Various representations of the plan area. Here: three photorealistic visualizations, several sections through individual buildings and the entire area, a framework plan that embeds the development proposal for the entire area in the surroundings, several floor plans and colorful schematic drawings on various topics of the task, each with a short text below.
Various representations of the plan area. Here: A text block, a black plan with the development proposal in red, several schematic floor plans, a visualization and a framework plan in which the snake-shaped building form is shown embedded in the surroundings.
Various representations of the plan area. Here: a visualization, several floor plan drawings and several schematic drawings on various topics
Various illustrations of the plan area. Here: three sections through the plan area showing the proposed development from different directions. The number of storeys is clearly visible. Many trees can be seen.
Various illustrations of the plan area. Here: three sections through the plan area showing the proposed development from different directions. The number of storeys is clearly recognizable. Many trees are shown.
Various representations of the plan area. Here: a photorealistic visualization, a black plan of the district with the new development highlighted in red, a framework plan that embeds the development proposal in the extended surroundings and makes a superordinate route relationship clear and several schematic drawings on various topics
Various illustrations of the plan area. Here: two sections through the plan area showing the proposed development from different directions. The number of storeys is clearly visible. Below are several paragraphs of continuous text for explanation.
Various representations of the plan area. Here: a photorealistic visualization, several floor plan drawings and several schematic drawings on various topics. A text block on the side.
Various illustrations of the plan area. Here: a text block, several floor plan diagrams and two sectional views.
Various representations of the plan area. Here: a photorealistic visualization, a black plan of the district, a framework plan that embeds the development proposal in the extended surroundings and makes a superordinate route relationship clear and several schematic drawings on various topics. There is also a long text.
Various representations of the plan area. Here: a black and white vanishing point perspective showing the three new buildings and the partially preserved school building, a photorealistic visualization and six colourful schematic drawings on various key topics of the task, each with a short text below.
Various illustrations of the plan area. Here: several schematic and floor plan drawings on various focal points of the task, each with a short text or captions. In addition, several sections through individual buildings or the entire area, a view of the building façade and a framework plan showing the location of the buildings and the floor plans of a storey.
Various illustrations of the plan area. Here: an exploded view, several sections through individual buildings and one through the entire site as well as six colorful schematic drawings on various topics of the task, each with a short text below.

Framework planning - expected by the end of 2025

A detailed framework plan is currently being drawn up with the office consortium of the winning design. This will form the basis for the urban land-use planning.

Further information will follow.

Urban land-use planning - expected 2026/2027

Further information will follow.

General information on urban land-use planning can be found here.

Downloads

Further information

Urban planning office

Address

Gustav-Stresemann-Ring 15
65189 Wiesbaden

Postal address

P.O. Box 3920
65029 Wiesbaden

Arrival

Notes on public transport

Bus stop Statistisches Bundesamt; bus lines 16, 22, 27, 28, 37, 45, X26, x72, 262

e-mail

stadtplanungwiesbadende

Telephone

+49 611 316470

Opening hours

Please make an appointment.

Information on accessibility

  • Barrier-free access is available
  • The WC is barrier-free

Urban planning office

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Explanations and notes

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