2,132
Plot size
10,386
Net floor area
Kasernenstraße 36,
40213 Düsseldorf
Location
Q2 2026
Completion

History Meets
Boutique Office

The boutique office concept, the spacious and elegant interior design and the state-of-the-art digital infrastructure all serve the same objective: to maximise flexibility and unlock all potential while working.

The space is important, but the people inside it are even more important. The WALZSTAHLHAUS offers the perfect environment for collaboration and concentration, for conferences and creative workshops, for chit-chat and relaxation. It represents a new and holistic iteration of the open space philosophy.

Between the historic district and Königsallee

THE LOCATION
IN THE BEST OF COMPANY

The usage Concept
Work – Share – Health

work

The work units can be used as office, workshop or conference space. The open-plan look of the modern and flexible office space is complemented by a high-end interior design concept.

Share

The flexible-use shared space on the ground floor includes open-plan reception areas, meeting points, a coffee corner and a communal kitchen.

Health

The health zone in the south rental unit also embraces the hours before and after work. A separate sports zone will be created on the ground floor as a rental unit.

Art Invest Nachhaltigkeits Bericht

Art Invest
Real Estate

SUSTAINABILITY GUIDELINES 

Unsere Nachhaltigkeits-richtlinien

Changing times demand a new way of thinking: Art-Invest Real Estate is taking a new approach to Environmental, Social and Governance (ESG) with its sustainability policy.

ECONOMY

Long-term business success is founded on fairness, transparency and responsibility.

ECOLOGY

Ideas and actions that embrace the concept of climate protection to reduce and compensate negative impacts on the environment.

SOCIETY

Responsibility towards society with consideration of its needs and requirements.

SOCIAL

Accountability for actions and respectful interaction in a social corporate culture.

G-I-N
STRATEGY

New work needs “new places to work”. The classic office has had its day. This places completely new demands on working environments with people at the centre.

HEALTH

Buildings that take the needs of the people in them into account.

Well-being

Hygiene

Community

INTELLIGENT

Buildings that take the needs of their tenants into account.

SERVICES

EFFICIENCY

CONNECTIVITY

SUSTAINABILITY

Buildings that take the needs of their environment into account.

RESOURCE CONSUMPTION

SOCIAL

FLEXIBILITY

A MONUMENT  IN A STATE OF FLUX

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Stable yet dynamic. Historic yet digital. Work and life-balance.

A pioneering boutique office concept brings change to the Walzstahlhaus: forward-looking and sustainable. A new era is dawning for this architectural landmark in the centre of Düsseldorf. 

Hello Walzstahlhaus.

Impressions

Stacking Plan

Rental Unit North
Rental Unit East
Rental Unit South
Stacking Plan Walzstahlhaus
Stacking Plan Walzstahlhaus

Layouts
(MF-G*)

Ground floor

Rental Unit NORTH I 330 m2
Rental Unit EAST I 300 m2
Rental Unit SOUTH I 205 m2
Rental Unit FITNESS I 265 m2
*The information provided is approximate

3rd floor

Variant with 1 rental unit per floor
Rental Unit TOTAL I 1,380 m²
*The information provided is approximate

4th floor

Variant with 2 rental units per floor
Rental Unit NORTH & EAST I 770 m²
Rental Unit SOUTH I 615 m²
*The information provided is approximate

6th floor

Variant with 3 rental units per floor
Rental Unit NORTH I 425 m²
Rental Unit EAST I 325 m²
Rental Unit SOUTH I 475 m²
*The information provided is approximate

EQUIPMENT
QUALITY

Mechanical ventilation of all office and meeting rooms
Room and zone thermostats for individual temperature adjustment
Acoustic heating/cooling ceiling sails in offices and meeting rooms
Linear luminaires integrated into the ceiling sails for office and meeting room lighting
Photovoltaic system set-up
Rental unit doors are pre-equipped for electric door opener and card reader installation
Fibre optic for high-speed Internet available
Contactless ID card readers at public entrances
Rental unit doors are pre-equipped for electric door opener and card reader installation
Contactless ID card readers at public entrances
Fibre optic for high-speed Internet available
Preservation of the protected building’s distinctive natural stone façade and portal figures
New, modern mullion and transom façade with a high proportion of glass on the 6th floor
Fully opening window elements on all floors
Façade grid width approx. 1,375 m
Design architect: Graf + Graf Architekten 
Modern office building with high quality standards and DGNB Gold certification
Gym unit on the first floor as an additional amenity for Walzstahlhaus tenants as well as nearby office and residential users
Goal of EU taxonomy conformity
7 above-ground floors
Approx. 1,200 m² of contiguous rental space on each standard floor
Standard floors can be divided into up to 3 rental units
Gross above-ground floor area: approx. 10,250 m²
Bicycle parking facilities with showers and changing rooms
Gross above-ground floor area: approx. 10,250 m²
Approx. 1,200 m² of contiguous rental space on each standard floor
Standard floors can be divided into up to 3 rental units
Bicycle parking facilities with showers and changing rooms
Prestigious, listed foyer
Communal reception area
Open and light-flooded stairwell
Protected natural stone flooring (Nero Marquina)
Refurbishment of the historic stone benches and torches that form part of the building’s identity
Space for flexible, modern office concepts
Light, high-quality furnishings
Two-storey listed conference room 
Wall sound insulation: office areas 37 dB, conference rooms 42 dB
Mechanical ventilation and cooling via ceiling sails featuring the Art-Invest standard
Smart building technology (comprehensive sensor technology, intelligent building automation)
Redesigned inner courtyard with landscaping elements
Construction of an external escape staircase for enhanced safety
Development of barrier-free access ways
Construction of bicycle stands under a green pergola
All parking spaces are pre-equipped for
electric charging stations
Large-scale refurbishment and redesign of the underground car park
Technical building equipment
Façade
Design
Foyer
Office areas
Courtyard and underground car park

HOW to spot a
True Classic?

The Walzstahlhaus was originally called the “Erweiterungsbau des Stahlhofs. It was built according to plans by architects Karl Wach and Heinrich Rosskotten on behalf of the association of German rolled steel entrepreneurs, Stahlwerksverband AG, and completed in 1940.

The building was constructed with a pioneering steel skeleton in the monumental classicism style of the late 1930s. It is one of the few remaining examples of large-scale architecture from this period in Düsseldorf.

BY ITS TIMELESS
modernity

IN TIMES OF
Change

The building played an instrumental role in Germany’s post-war history when the British occupation authorities moved in to orchestrate peace.

It is the place where the federal state of North Rhine-Westphalia was officially created on 23 August 1946.

The Walzstahlhaus has always been a place of change and contradictions – yet it has never lost its distinctive architectural identity.

At the end of the 1950s, the Walzstahlhaus was refurbished for use by the iron and steel industry. In the decades that followed, it was modernised and repurposed many more times.

In 1998, the building was leased to the Handelsblatt Group as a publishing house.

SeitSince 2010, when the AOK medical insurance provider became its tenant, the building has been dedicated to health.

A UNique
CHARAcTER.

A new future that brings people and innovative concepts together is now dawning for the Walzstahlhaus.

Woran man Klassiker erkennt?
An ihrer zeitlosen Modernität.

Das Walzstahlhaus trug ursprünglich den Namen „Erweiterungsbau des Stahlhofs“.
Nach Plänen der Architekten Karl Wach und Heinrich Rosskotten wurde es im Auftrag der Stahlwerksverbands AG errichtet und 1940 fertiggestellt.
Das in zukunftsweisender Stahlskelettbauweise errichtete Gebäude zählt zum monumentalen Klassizismus der späten 30er Jahre.
Es ist einer der wenigen erhaltenen Großbauten in Düsseldorf aus dieser Zeit.
Im zweiten Weltkrieg trafen sich die Stahlkartelle hier zu ihren Absprachen.
Nach Kriegsende wurde das Gebäude für den Neuanfang genutzt: Die britischen Besatzungsbehörden zogen ein, um den Frieden zu gestalten.

IN ALLEN ZEITEN DES WANDELS
EIN UNVERWECHSELBARER CHARAKTER.

Das Walzstahlhaus war schon immer ein Ort des Wandels und auch der Widersprüche – ohne dabei seine prägnante architektonische Identität aufzugeben.
Ende der 1950er Jahren wurde das Walzstahlhaus umgebaut und von der Eisen- und Stahlindustrie genutzt.
In den folgenden Jahrzehnten wurde das Wahlstahlhaus immer wieder modernisiert und neuen Nutzungen zugeführt. So wurde es 19xx von der Handelsblatt-Gruppe als Verlagsgebäude angemietet.
Seit 19xx stand das Haus durch den Einzug der AOK ganz im Zeichen der Gesundheit.
Jetzt bricht für das Walzstahlhaus eine neue Zukunft an, die Menschen und neue Ideen zusammenführt.

Woran man Klassiker erkennt?
An ihrer zeitlosen Modernität.

Das Walzstahlhaus (ursprünglich „Erweiterungsbau des Stahlhofs“) wurde im Auftrag der Stahlwerksverbands AG nach Plänen der Architekten Karl Wach und Heinrich Rosskotten errichtet und 1940 fertiggestellt.

Das in zukunftsweisender Stahlskelettbauweise errichtete Gebäude zählt zum monumentalen Klassizismus der späten 30er Jahre und ist eine der wenigen erhaltenen Großbauten in Düsseldorf aus dieser Zeit.

Das Walzstahlhaus war schon immer ein Ort des Wandels und auch der Widersprüche – ohne dabei seine prägnante architektonische Identität aufzugeben.

Im zweiten Weltkrieg trafen sich die Stahlkartelle im Walzstahlhaus zu ihren Absprachen. Doch unmittelbar nach Kriegsende wurde das Gebäude für den Neuanfang genutzt: Die britischen Besatzungsbehörden zogen ein, um den Frieden zu gestalten.

Ende der 1950er Jahren wurde das Walzstahlhaus umgebaut und von der Eisen- und Stahlindustrie genutzt.

In den folgenden Jahrzehnten wurde das Wahlstahlhaus immer wieder modernisiert und neuen Nutzungen zugeführt.

Heute steht das Walzstahlhaus vor einer neuen Zukunft, die Menschen und neue Ideen zusammenführt.

ContaCt

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Thank you for your interest. We will be happy to advise and inform you in person. Please contact one of our offices near you.

Am Kabellager 11–13
51063 Köln
Deutschland
T +49 221 270579-00
F +49 221 270579-01
Art-Invest Real Estate Management GmbH & Co. KG
koeln@art-invest.de
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