BI-HESAR Residential Apartments by KARABON: A No-Wall Vision for Urban Living in Tehran

Located in the densely populated Hekmat (Dezashib) neighborhood of Tehran, BI-HESAR Residential Apartments by KARABON reimagines the role of residential architecture in urban fabric. Designed by lead architect Mehdi Panahi, the 1,500 m² project offers more than a place to live—it serves as a response to the spatial, social, and ecological deficits of the city.

Reclaiming Green Space in a Densely Built Context

Amidst the pressure for maximizing buildable land and parking infrastructure, BI-HESAR’s most defining gesture is its embrace of open and green spaces. Instead of following conventional high-density development patterns that often sacrifice courtyards and gardens, the design prioritizes permeable, plant-rich environments that are shared between residents and the surrounding neighborhood.

Situated at the intersection of three alleys, the site occupies a highly visible and central position within the local context. This prompted the design team to explore architecture as an urban connector, rather than an object closed off by boundaries. The result is a building that dissolves traditional borders—both physically and socially.

Architecture Without Walls: Strengthening Community Bonds

The project's name, "BI-HESAR" (translated as “No-Wall”), encapsulates its core philosophy: to remove physical and symbolic separations between the building and the city. The design team utilized semi-open spaces, permeable boundaries, and unfenced yards to create an architecture that encourages spontaneous interactions, visual continuity, and a stronger sense of community.

Rather than relegating green areas to decorative elements, landscape design was deeply integrated into the architecture. Leftover yard spaces were carefully sculpted to optimize openness and greenery, enhancing both ecological function and mental well-being. These green interventions not only benefit building occupants but also extend to neighbors and passersby, who experience a rare touch of nature in the urban sprawl.

Materiality and Contextual Harmony

Material selection played a pivotal role in integrating the building into its urban context. Indigenous and locally produced materials—including bricks from Namachin Brick and finishes from Tabriz Tile Group—were used to harmonize with the adjacent architecture and establish a visual dialogue with the neighborhood. This commitment to material authenticity contributes to a calm and cohesive urban identity, reinforcing the residents’ sense of belonging.

Beyond aesthetic considerations, materials also respond to climate and sustainability concerns, while reinforcing the project’s grounded, human-scale ethos.

 An Urban Micro-Oasis in Tehran

BI-HESAR Residential Apartments presents an alternative model for housing development—one that doesn’t isolate but rather invites and embraces. It navigates the challenges of urban density through thoughtful design, spatial generosity, and ecological sensitivity. By prioritizing openness, vegetation, and neighborhood connection, the project not only serves its immediate residents but becomes an active contributor to the public realm.

This is architecture not defined by its walls, but by its ability to dissolve them—both literally and metaphorically.

Project Details

• Architects: KARABON
• Lead Architect: Mehdi Panahi
• Location: Hekmat (Dezashib), Tehran, Iran
• Area: 1,500 m²
• Year Completed: 2016
• Photographer: Mehdi Panahi
• Collaborators & Manufacturers: Akhavan, NAMIKARAN WINDOWS, Namachin Brick, Nirvana, Nooran Lighting, ROST, SSS - Sang Safir Sepahan, Tabriz Tile Group, Taraghikhah
• Mechanical Consultant: Tochal