Minimalist Sustainable Houses in Germany: Set Houses with One Pillar by Buero Wagner

In the foothills of the Bavarian Alps, just 20 kilometers from Munich, Buero Wagner has redefined the concept of minimalist sustainable houses in Germany with the Set Houses with One Pillar. Located in Söcking, near Lake Starnberg, these two homes exemplify a bold architectural strategy that balances minimal environmental impact, smart urban densification, and aesthetic clarity.

Urban Redensification Through Thoughtful Demolition

Originally, the plot housed a single, low-quality 1950s dwelling. As part of the "Vision Starnberg 2025" initiative, the plan aimed to densify existing plots rather than expand into undeveloped land. Though the broader urban strategy was halted in 2021, the architects at Buero Wagner embraced the spirit of redensification. Instead of refurbishing the structurally and materially weak original house, they opted for demolition. The building materials were carefully processed into recyclables on-site, supporting a circular construction approach.

Dual Homes with Distinct Interiors and Shared DNA

The two houses were designed for a multigenerational family: one for the father, the other for his son and family. Though visually similar from the outside, the interiors are uniquely tailored to the needs of each occupant. Aligned along the street and slightly recessed to allow for green front gardens, the houses open socially toward the street with kitchens positioned upfront, while living areas and private gardens nestle in the rear.

Designing from the Structure Inward

Each house measures just 90 square meters per floor, promoting compact living without compromise. The spatial heart of each home is the first floor: a singular open volume supported by one central column. There are no interior walls—only subtle level shifts in floors and ceilings that define zones for cooking, dining, and lounging. A custom oak box houses the kitchen, WC, and entry area, integrating built-in furniture like wardrobes and worktops directly into the architectural form.

Material Honesty and Structural Efficiency

The lower floors are constructed in sandblasted concrete, offering both robustness and tactile softness. The upper floors, made of solid wood, reference traditional regional construction and generate intimate, warm atmospheres. Materials remain exposed wherever possible: concrete walls are left bare, floors are monolithic, and oak elements double as functional fixtures. Steel is used selectively, crafted into railings, stair details, and fireplaces.

Sustainability Through Simplicity and Innovation

True to its ethos as a minimalist sustainable house, the project employs bio-based insulation and charred wood cladding that eliminates the need for chemical preservatives. The charred timber not only echoes the visual language of local barns but provides natural resistance to weather and pests. Energy efficiency is prioritized through air-source heat pumps, photovoltaic panels, and concrete core activation for radiant heating. With minimal cladding, no superfluous layers, and energy systems built into the structure, the architecture manifests a quiet yet powerful sustainability.

Architecture that Merges Heritage, Modernity, and Ecology

Buero Wagner’s Set Houses with One Pillar demonstrate how modern architecture in Germany can simultaneously honor tradition, push spatial boundaries, and serve future-forward ecological goals. By merging minimalist design principles with rigorous sustainability strategies and contextual sensitivity, these homes offer a blueprint for what minimalist sustainable housing in Germany can achieve—intimate, thoughtful, and resilient.