Clinic NK by 1-1 Architects

Spaces connected through an arch-shaped “boundary”

Project Specs


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The site is a long shape facing the 4-lane highway on the north side and 4 meters wide on the south side, giving void to the townscape along these roads. The plan described here is building a dental clinic specializing in aesthetic dentistry and pediatric dentistry here.

▼诊所外观,exterior view

▼后方立面,rear facade


Considering the empiric position of the patient, we feel that a dental clinic should be abele to contain various parts according to the different activities. For example, reception → waiting → tooth brushing corner → treatment room → X-ray → treatment room → waiting → payment. In order to translate the act of movement into the structure of architecture itself, we considered each rooms of the clinic as the destinations and transposed “→” into an aisle connecting them together. Specifically, in order to conform to the directionality of the site, a long aisle is set at the center of the building, and necessary rooms that become destinations are arranged on both sides of the building. In the aisle, processing was done on the ceiling surface by whitening the surface deceives the human perception of the real size of the room and ends as a door that allows us to feel the extensibility of the space. As a result, the whole planned as a sensory outside space where the state of light changes throughout the day. The sensory outside which changes according to the natural light installed in the center of the building has connection with each room, thereby preventing excessive consideration on privacy from which leads to a sense of limitation.

▼建筑的中央设置了一条狭长的走廊,其余的必要空间则布置在走廊的两侧,a long aisle is set at the center of the building, and necessary rooms that become destinations are arranged on both sides of the building

▼白色的天花板令原本狭窄的空间显得开阔起来,the white ceiling surface deceives the human perception of the real size of the room


▼走廊和每个房间之间设置了由拱形结构组成的“边界”,an arch shaped “boundary” connects the aisle and the rooms



The volume and setting of each room changes according to their destination. For both patients and staff, between rooms involve a change in perception as plants, intensity of light and architecture vary from room to room, and it waits. As buildings and external environments change, users will accumulate several different spatial experiences. We designed an arch shaped “boundary” between the aisle and the rooms. This shape, which is not symmetrical in the vertically direction, makes those who are in the aisle aware of the openings and accessibility of the rooms. Furthermore, the repeated arched shape homogeneity encourages the passage to be organized in the Gestalt principle. A metal coating covers the surface of the arch as a foreign object whose expression changes radically with the light. The passage of this “boundary” releases us from the aisle and reaches to the destination.

▼室内空间犹如一个感知性的外部空间,the interior is designed as a sensory outside space where the state of light changes throughout the day

▼治疗室,treatment room




From the outside, the part of the passage protrudes not only vertically but also horizontally, and guarantees the directional understanding of the site in relation to the city. The neighborhood does not fell any pressure or protrusion of the aisle thanks to the rooms that are attached to it. By positioning windows and plants differently between the inside and the outside, a feeling of privacy is guaranteed, while always giving a sense of openness of the outside.

▼走廊细部,detailed view

▼错落有致的窗户和贯穿室内外的植物,windows and plants are positioned differently between the inside and the outside

▼城市环境中的诊所,ruban context



Planning data
Title:Clinic NK Location: Aichi, Japan
Main use: Dental clinic
Structure: wooden
Site area: 808.91 m 2
Construction area: 192.37 m 2
Total floor area: 227.13 m 2
External finish
Roof / galvanized steal plate t = 0.35 mm
Exterior wall / spraying paint
Openings / waluminum sash, wooden sash,
Interior Finish
Floor: porcelain tile, Mortex, vinyl floor tile, cork tile
Wall / spraying paint
Ceiling / Japanese cypress plywood + structural wood + oil stein painting, Acrylic plate
Design period: October 2016 – August 2017
Construction period: September 2017 – April 2018
Design: 1-1 Architects[ichinoichi]
Structure design: Tatsumi Terado Structural Studio
Construction: MARUCHO HOME Co., Ltd.
Landscape design:ENZO. co.,ltd.

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