43 Passivhaus Housing by AMMA: Sustainable Residential Design in Mons-en-Barœul

The 43 Passivhaus Housing project by AMMA Agence Matthieu Merlier Architecture addresses one of today’s most pressing architectural challenges: creating sustainable, passive residential buildings that balance ecological responsibility with economic efficiency. The project focuses on compact design, ensuring thermal performance, natural lighting, and long-term comfort for all residents.

The architects implemented a rational yet poetic approach, using an intelligent building layout that maximizes living space while integrating outdoor extensions. By connecting interiors with balconies, terraces, and planted areas, the design enhances year-round usability, natural ventilation, and daylight penetration, ensuring both comfort and energy efficiency.

Architectural Expression and Façade Innovation

The project’s facade system conveys both rationality and visual impact. The curtain system punctuates the building envelope, responding dynamically to seasonal needs. This approach creates a living, adaptable architecture where light, shade, and ventilation interact with user requirements throughout the year.

The buildings’ composition consists of two inhabited volumes arranged along plot boundaries, forming three open spaces at the ground level. This spatial configuration prioritizes communal outdoor areas, enhancing social interaction while providing privacy and visual permeability.

Landscape Integration and Community Spaces

A central planted garden connects all accommodations and forms the heart of the community. Trees and greenery soften visual lines, separate the two main structures, and encourage social engagement among residents. The north-facing car park and south-facing private gardens and balconies strategically orient the living spaces to optimize sunlight exposure, comfort, and energy efficiency.

By varying building heights, the project ensures maximum daylight access for each unit while preserving views and integrating with the surrounding urban context. This thoughtful planning promotes a sense of urban courtesy, where new developments respect existing residential operations.

Sustainable Passive Strategies

The design fully leverages passive solar principles:

• South-facing living areas capture winter sunlight to naturally heat interiors.
• North-facing night rooms remain cool, maintaining thermal comfort.
• Balconies function as horizontal sunshades, minimizing summer overheating.
• Carefully measured balcony depths allow controlled solar gain in winter, reducing energy consumption.

Through these measures, 43 Passivhaus Housing achieves sustainable, high-performance living without compromising on aesthetics or resident experience. The project stands as a model for eco-conscious urban housing, combining architectural clarity, passive design, and community-oriented planning.

All photographs are works of  Julien Lanoo, Thomas Duhamel, AMMA