A Dynamic Steel Envelope Defines the House of Iron Doors
Located in the hillside district of Okrokana overlooking Tbilisi, the House of Iron Doors by TIMM Architecture explores the relationship between enclosure, light, and adaptability through a dynamic architectural envelope. The project reinterprets the typical residential condition of the area through introverted architecture and controlled openness. The surrounding neighborhood is characterized by individual houses hidden behind high perimeter fences, creating a fragmented streetscape defined more by walls than by architecture. Instead of replicating this condition, the project proposes a different strategy: the house itself becomes the perimeter.
The building forms a protective architectural envelope that encloses the site and generates a private interior landscape. The street facade appears as a continuous rusted steel surface punctuated by a sequence of large perforated iron doors. These pivoting panels function as a dynamic environmental and spatial filter. When closed, the facade reads as a monolithic metal screen, offering privacy and protection from the street. When opened, the panels transform the building into a porous structure that allows light, air, and views to penetrate the interior spaces. The perforations create constantly shifting patterns of light and shadow throughout the day, giving the otherwise solid envelope a sense of movement and temporal variation.
all images by Grigori Sokolinsky
An Indoor Courtyard Organizes the House by TIMM Architecture
Behind its outer layer, the house organizes its spaces around an inward-oriented courtyard. All primary living areas are directed toward this internal garden rather than toward the surrounding streets and neighboring plots. Through this strategy, TIMM Architecture Studio allows the interior to maintain openness and transparency while preserving privacy from the outside. The courtyard becomes the spatial and environmental center of the house, providing daylight, greenery, and visual continuity across different levels of the dwelling.
The ground level contains the main living spaces, including the living room, dining area, and kitchen, arranged in a linear sequence along the courtyard edge. Large sliding glass openings allow the interior to extend directly into the outdoor garden. Above, the private rooms continue the same spatial logic, maintaining visual connections to the internal landscape while remaining protected by the outer metal skin. A secondary layer of exterior panels functions as adjustable sun-shading devices for the interior rooms. These movable elements regulate daylight and reduce solar gain while simultaneously shaping the visual identity of the building. Their rhythmic placement along the facade establishes a strong architectural character that changes depending on their position and the angle of the sun.
the project explores enclosure, light, and adaptability through a dynamic architectural envelope
Weathered Steel Shell contrasts the Light-Filled Interior Spaces
Material choices reinforce the dual character of the project. The exterior is defined by weathered steel surfaces that emphasize solidity and durability, while the interior spaces are deliberately calm and minimal. White walls, light floors, and restrained detailing create bright, quiet environments where natural light becomes the primary architectural element. The filtered sunlight passing through the perforated screens produces soft patterns that animate the interior throughout the day. The lower level contains auxiliary functions, including parking and technical spaces, while the upper level incorporates additional amenities such as an indoor pool and terrace areas that extend the living environment vertically. These spaces maintain the same relationship with light and enclosure that defines the rest of the house.
By transforming the traditional boundary wall into an inhabitable architectural element, the House of Iron Doors challenges the typical relationship between house and enclosure in Tbilisi’s suburban districts. Rather than separating architecture from the street with fences, the building itself becomes the protective edge of the site, creating a controlled interior world where light, privacy, and landscape are carefully orchestrated.
a continuous rusted steel facade encloses the site along the street edge
large perforated iron doors punctuate the metal surface of the facade
perforations in the steel doors create shifting patterns of light and shadow
when closed, the facade reads as a solid metal screen
when opened, the iron panels allow light, air, and views into the house
the house replaces the typical perimeter fence by forming its own protective boundary
the building organizes its spaces around an inward-facing courtyard
living areas are arranged along the garden-facing edge of the courtyard
interior spaces contrast with light materials and minimal detailing
project info:
name: House of Iron Doors
architect: TIMM Architecture | @timmarchitecture
design team: Nutsa Kandelaki, Nikoloz Lekveishvili, Tamar Nepharidze, Nino Chkhartishvili, Nino Grigolashvili, Giorgi Pataridze, Beka Guldedava
location: Okrokana, Tbilisi, Georgia
photographer: Grigori Sokolinsky | @grigorysokolinsky
designboom has received this project from our DIY submissions feature, where we welcome our readers to submit their own work for publication. see more project submissions from our readers here.
edited by: christina vergopoulou | designboom
The post punctured iron doors shape kinetic facade by TIMM architecture in tbilisi appeared first on designboom | architecture & design magazine.

