KUHLIO Frankfurt cools Urban Heat Island (UHI)

10.03.25 08:58 AM - By Florian

References

The residential project is the first greenpass Gold certified building in Germany, contributing positively to a better urban climate and enhanced living comfort

Developing green, airy, and livable spaces

KUHLIO, developed by STRABAG Real Estate (SRE), is the first property in Germany to receive a greenpass Certification. For SRE, this first joint project served as a test run to evaluate the tasks and added value that greenpass brings to planning and certification for developers.
During the planning phase of the greenpass GOLD certified project, the use of buildings, materials, and greenery was given new priority. Through an iterative optimization process between the client, planning team, and greenpass, the project was successfully refined to ensure high living comfort while making a significant contribution to climate adaptation.

The project demonstrates that a high proportion of greenery can be effectively combined with climate-resilient architecture and building greening in residential construction.

DE-2020-004

KUHLIO

Kuhwaldstraße 55, 60486 Frankfurt am Main, Germany
Gold

Environmental certification for climate resilience and sustainability

In addition to intensive greenery to enhance thermal comfort in the courtyard and gardens, the planning process also focused on rainwater management and biodiversity. Large unsealed areas, combined with extensive green roofs and retention boxes, ensure that not a single drop of rainwater flows into the sewage system.


A diverse selection of plants and vegetation structures, along with the installation of a bee hotel on the roof, actively promote urban biodiversity. Furthermore, the targeted use of ground-based façade greening helps to reduce and improve thermal storage capacity.

1 Certificate

for climate resilience and sustainability in real estate and open space

40+ Trees

numerous perennials, green roofs to promote biodiversity, and much more

100% Retention

high degree of de-sealing and retention boxes to promote, store, and evaporate water

KUHLIO is literally COOL

Through the use of simulation-based analyses, the environmental impacts of the property were holistically optimized during the planning phase with greenpass. In particular, the qualities in the areas of climate and energy were significantly improved through a collaborative process. Simple measures, such as additional shrubs and trees, as well as their strategic placement, help reduce the air temperature on a typical hot day by up to -0.3°C. By reducing the thermal load score, the project also has a positive impact on the urban climate.


The project also demonstrates high thermal comfort, which was improved compared to previous designs, resulting in a temperature reduction of up to -16.9°C in perceived temperature. Additionally, the water demand for plants was reduced during the optimization phase, while CO₂ storage was increased. The approximately 0.4 hectares of green space and over 40 trees sum up to nearly one hectare of leaf surface.


In the bonus topics of biodiversity, resources, and social impact, the project also makes significant contributions, such as community areas, barrier-free outdoor spaces, smart lighting concepts, the prevention of animal traps, and the use of regional and ecological materials in garden and landscape design.

Green courtyard within KUHLIO © Strabag Real Estate

First greenpass Gold in Germany

Just as a passport serves as an official identification for people, the greenpass acts as an official confirmation document. The greenpass transparently summarizes the climate resilience and sustainability of real estate and their open spaces.


The climate-fit residential complex in Frankfurt am Main achieved a certification level of 76% after successful optimization, earning greenpass GOLD.

GOLD
KUHLIO 
Frankfurt am Main
DE-2020-004

Climate

Water

Air

Biodiversity

Energy

Cost

greenpass

Planted living comfort

A total of six urban challenges with a focus on open space were analyzed, optimized, and evaluated: climate, water, air, biodiversity, energy, and costs. The evaluation framework for a greenpass Certification is based on standardized and differently greened reference scenarios, ranging from fully sealed to fully greened (Worst Case – Moderate Case – Best Case). These factors should be considered as early as possible in the planning process to achieve the maximum level of climate resilience for the specific location and conditions.
KUHLIO courtyard bicycle parking © Strabag Real Estate

The globally applicable and scientifically developed Certification standard is synergistic and complementary to building certifications, enabling future-proof and climate-resilient properties for today and the future. The first greenpass Gold Certification in Germany is confirmed for this project with an overall fulfillment rate of 76%, highlighting the achievements of a sustainable flagship project in residential construction.

Conclusion

Not only for successful climate change adaptation are future-proof and sustainably designed developments essential, but also in the responsibility of developers to demonstrate the environmental impacts on the population, residents, and the city. Greenpass is consciously an active tool and communication medium during and after the planning process and implementation, showcasing the many contributions of buildings, materials, and plants to the environment and to us humans. With KUHLIO, SRE is taking a pioneering role in sustainability and demonstrating how contemporary, climate-active, and future-proof properties can be designed.

Project Team

Developer
Strabag Real Estate (SRE)
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Architecture
Ilter Architekten
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Landscape architecture
SHK Landschaftsarchitekten
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Climate resilience
greenpass

Further information

Strabag Real Estate - Project overview
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Kuhlio - Project website
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Contact
Florian

Florian

Co-Founder & CEO greenpass
https://www.linkedin.com/in/florian-kraus/

Ich bin internationaler Experte & Unternehmer mit jahrelanger Erfahrung in der Bewertung und Gestaltung von klimasicheren & nachhaltigen Immobilien und Freiräumen. Nach meinem Masterstudium für Landschaftsplanung & -architektur war ich an der BOKU als Forscher und der Green4Cities als Manager tätig.