Compact Urban Living in Heritage Contexts: A Smart Housing Model in Lviv

Nano Nest Situated in the architectural and cultural heart of Lviv, Ukraine, this innovative project serves as a benchmark in the evolution of compact urban housing. Designed with precision and empathy, the house accommodates a multi-generational family within a narrow historic plot. Architect Stanislav Bebko’s shortlisted entry for the Nano Nest 2020 competition presents a thoughtful and human-centric response to modern urban challenges while remaining sensitive to the site's historic and climatic context.

The urban site, defined by narrow lanes and heritage buildings, is located in a temperate zone with mild summers and snowy winters. Despite its constraints, the project successfully integrates modern living standards for a family of six—a mother, a father, two children, and elderly grandparents. The design carefully considers spatial segregation, generational needs, and privacy while occupying a minimal footprint.

Vertical Zoning for Privacy, Function, and Family Needs

The design solution stacks different zones vertically across five functional floors:

• First Floor: Accommodates elderly members with limited mobility. Features include a bedroom, bathroom, foyer, and a clever two-bike storage zone. Special attention is given to privacy through façade treatments and the use of solar tubes for daylight access.
• Second Floor: Serves as the social core with an open-plan living room, kitchen, dining area, and mechanical room. It uses transparent materials and partial enclosures to maintain connectivity while preserving intimate zones.
• Third Floor: Designed specifically for children, this level introduces wood batten partitions to form flexible zones—providing individual comfort while nurturing togetherness.
• Fourth Floor: Hosts the parents’ master suite. The walk-in-through wardrobe introduces a unique 'space within a space' that increases privacy while enabling uninterrupted flow.
• Roof Level: Equipped with metal sheet roofing, skylights, and solar tubes, this level maximizes natural lighting and ventilation, turning the roof into a passive energy collector.

Sustainable Spatial Strategies and Smart Design Tactics

The architecture draws from principles of space optimization, multifunctionality, and environmental responsiveness. Internal walls are minimized to expand usable volume, while solar tubes channel daylight into deeper floor areas. The rear ventilation shaft, coated with reflective paint, improves light diffusion and air circulation across levels. Zones without access to natural light are reserved for mechanical and storage functions, thereby maximizing space efficiency.

The structural frame—comprising reinforced concrete columns and flat slabs—uses standard, affordable construction methods. Materials like locally sourced white brick, gypsum board, white tiles, and laminate reinforce a light, airy aesthetic without adding cost. The most expensive features are the skylights and solar tubes, strategically used to enhance livability.

Anchoring the Design to Historic Urban Fabric

This project achieves a fine balance between innovation and preservation. By aligning new construction with the string course, window rhythms, and rooflines of surrounding buildings, the home visually integrates into the historic street front. The use of exposed brick façades and traditional detailing pays homage to the Austro-Polish architectural language of Lviv, while introducing modern expressions through fenestration and materials.

Elements like sunshades and overhangs ensure seasonal thermal performance—allowing winter sunlight to enter and summer heat to stay out. This passive strategy not only enhances comfort but also reduces reliance on active heating and cooling systems.

Redefining Urban Domesticity

This residence is not merely a spatial solution to urban congestion but a redefinition of domestic architecture in limited urban environments. It reflects how compact urban housing can be sensitively integrated into historic contexts without losing functionality, comfort, or cultural resonance. Every inch is considered, and every space tells a story—of adaptability, efficiency, and dignity in constrained living.

By merging architectural intelligence with environmental responsibility, this project presents a replicable model for dense urban centers around the world grappling with similar challenges.

Project by: Stanislav Bebko Competition: Nano Nest 2020 – Shortlisted Entry