HospitalityTreehouses at Sabroter See

Treehouses at Sabroter See

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LOCATION
Lausitz, Germany
TYPE
Residential, Hotel
SERVICES
Design concept

The Treehouse: Between Reality and Childhood Dreams

CONCEPT

The project involves the design of a hotel complex featuring 24 treehouses on the shores of Lake Sabroter in Lusatia. The complex is complemented by a recreational marina, an event arena, and a climbing park. The development blends into the characteristic landscape of the Lake Sabroter area—defined by sparse tree cover, the adjacent body of water, and the stream running along the edge of the site. The conceptual starting point is the treehouse as an archetypal form: a place associated in the collective memory with childhood, freedom, and the desire for one’s own elevated retreat. This idea is translated into a contemporary architectural language based equally on emotional resonance and integration into the landscape. The building forms are derived from the structures and morphologies of the surrounding nature. The floor plan features a shell-like configuration whose orientation and opening strategically frame the views of the lake landscape. The positioning of the houses on the lakeshore takes advantage of the site’s topography: the tree houses are elevated above the forest floor and oriented toward the open water. The connection between nature, landscape, and architecture is at the heart of the entire design.

ArchitekturPlanungLandschaft

PROJECT DATA

ClientPrivat
ServicesDesign
Year2015

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Berlin — International

Enduring through design.
Timelessly relevant.

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Our work

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Our services

€800M
Project scope of our largest ongoing project
International Experience
Projects in Europe, North Africa, the Middle East and China
2013
QM-certified in accordance with the ‘Planer am Bau’ scheme; TÜV Rheinland certificate registration no.: 01 355 000001/096
2024
EcoVadis Sustainability Rating, DEC 2025 in Silver

From the feasibility study through to detailed design and tendering, we support complex projects with an interdisciplinary team of architects and engineers.

Sustainability starts with Design

How sustainable a building will be is decided in its first design phases. Sustainability is therefore not an additional requirement for us but part of good architecture: we take the whole life cycle into our decisions and develop durable, adaptable solutions that spare resources and keep CO₂ emissions as low as possible.

Ecological, economic and social requirements are drawn together with the specialist disciplines involved into one integrated concept.

What we consider

Certification creates transparency

Not every sustainable building needs a certificate. Where one is wanted or required, we build its criteria into the design early and coordinate the evidence. Sustainability then becomes measurable, comparable and independently verifiable.

Depending on the project and the system, we take on the auditor or assessor services or guide clients and design teams through the whole process:

The standard we set ourselves

Sustainability shapes not only our projects but also the way we operate as a company. We have EcoVadis independently assess our performance across environment, labour and human rights, ethics, and sustainable procurement — in November 2025 we were awarded the EcoVadis silver medal.

"Planning sustainably means translating responsibility into concrete decisions — traceable, deliverable, and of lasting benefit to clients, to the people who use the buildings and to the built environment."

Precision through conviction

  • Balanced — Gender equality
  • 7 Years — Average tenure
  • 9 — Nationalities
  • 13 Years — Average experience
Our story
1996Milestone

Founded in Berlin

Bettina Dittemer and Fabian Zimmermann found atelier 4d in Berlin, for architecture of substance with a particular focus on infrastructure and on urban planning around railway stations.

Age structure
< 29 years10%
30 – 3950%
40 – 5430%
> 5510%

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Are you interested in exciting major projects and do you enjoy working in a great, international team? Then take a look at our current job openings – maybe there's something just right for you! No suitable position advertised at the moment? No problem – we are always happy to receive your speculative application including portfolio.

Why atelier 4d?

In short: because we stand for diversity, tolerance, and a healthy work environment. This includes flexible, mobile working and a strong, supportive team. We support our employees in a targeted manner – for example, by helping them enter the Chamber of Architects. We also offer you stability and perspectives through long-term, future-oriented projects.

Current Openings

Currently no positions available but we are always looking for talented and motivated individuals. Please feel free to send your speculative application!

Your Contact Person

Sandra Röhr
atelier 4d Planungs GmbH
Stuttgarter Platz 16, 10627 Berlin
E-Mail:bewerbungbot-protection-active [at] atelier4d-architekten.de

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