佐賀高橋設計室
Spiral Staircase|Introduction to Architecture Firms|A Sculptural Centerpiece at the Heart of the Space
Author: Qurasuki Editorial Department
Spiral staircases, while performing the functional role of connecting upper and lower levels, assert a sculptural presence that can become a spatial emblem. The choice of materials markedly alters their expression, testing the designer’s sensibility to harmonize with the interior’s tonal palette. At the same time, pursuing aesthetic refinement while complying with safety-related design standards—such as tread dimensions and handrail heights—reveals the designer’s technical competence. When combined with a double-height void, they create conduits for light and sightlines, imparting a rich sense of depth to the residence. We present architectural firms that have elevated the spiral staircase into a distinctive element of the home.
Kumi Inoue Architects
2-6-15 Kuwazu, Higashisumiyoshi-ku, Osaka City, Osaka Prefecture
Abax Architects
203 Higashi-Shin Building, 1-7-12 Awaza, Nishi-ku, Osaka City, Osaka Prefecture
Mitsuhiro Kojima Architects
426-1-101 Higashisin-machi, Ota City, Gunma Prefecture
Atelier Cotocoto
4 Sekimachiminami, Nerima-ku, Tokyo
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Opening the sliding door clad with the same material as the exterior reveals the motorcycle garage integrated with the entrance.
Atelier Cotocoto4 Sekimachiminami, Nerima-ku, Tokyo
e do design architects
3-7-7 Minatocho, Tsuchiura, Ibaraki Prefecture, Japan
In-Ex Design Co., Ltd.
4-59 Takanoizumicho, Sakyo Ward, Kyoto City, Kyoto Prefecture
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Inside, one is guided through the front court to the entrance and then to the living-dining-kitchen area.
In-Ex Design Co., Ltd.4-59 Takanoizumicho, Sakyo Ward, Kyoto City, Kyoto Prefecture -
Light from the atrium of the spiral staircase illuminates the north side of the living-dining-kitchen area.
In-Ex Design Co., Ltd.4-59 Takanoizumicho, Sakyo Ward, Kyoto City, Kyoto Prefecture -
The stepped floor on the second level functions to secure the high ceiling and views of the living room; it is movable and can be stored.
In-Ex Design Co., Ltd.4-59 Takanoizumicho, Sakyo Ward, Kyoto City, Kyoto Prefecture -
The south side faces the garden, offering distant views of Kobe city and the sea.
In-Ex Design Co., Ltd.4-59 Takanoizumicho, Sakyo Ward, Kyoto City, Kyoto Prefecture -
A multifunctional space accommodating household chores, family restroom, laundry, makeup room, and indoor drying area.
In-Ex Design Co., Ltd.4-59 Takanoizumicho, Sakyo Ward, Kyoto City, Kyoto Prefecture -
Kurashi no Jōzōsho
4-14-12 Honkugenuma, Fujisawa City, Kanagawa Prefecture
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View of deep verdant greenery from the bathroom
Kurashi no Jōzōsho4-14-12 Honkugenuma, Fujisawa City, Kanagawa Prefecture -
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An approach that delights in changing views along the stream toward the entrance
Kurashi no Jōzōsho4-14-12 Honkugenuma, Fujisawa City, Kanagawa Prefecture -
A residence quietly immersed in the natural landscape of Karuizawa
Kurashi no Jōzōsho4-14-12 Honkugenuma, Fujisawa City, Kanagawa Prefecture
Archiplace
502 Palm House Hatsudai, 1-20-2 Honmachi, Shibuya-ku, Tokyo
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The deck terrace features an olive tree carefully nurtured at the previous residence, adding a touch of greenery.
Archiplace502 Palm House Hatsudai, 1-20-2 Honmachi, Shibuya-ku, Tokyo -
A centrally located atrium gently connects the living quarters and the atelier.
Archiplace502 Palm House Hatsudai, 1-20-2 Honmachi, Shibuya-ku, Tokyo -
The second floor comprises a unified living and dining-kitchen area, separated by the staircase, creating a spacious one-room plan.
Archiplace502 Palm House Hatsudai, 1-20-2 Honmachi, Shibuya-ku, Tokyo -
Access to the loft is via box-shaped stairs with integrated storage large enough to accommodate futons.
Archiplace502 Palm House Hatsudai, 1-20-2 Honmachi, Shibuya-ku, Tokyo -
The ground floor features a pilotis space without side walls, maximizing the full width of the frontage by leveraging the strengths of the wooden metal-connector construction method.
Archiplace502 Palm House Hatsudai, 1-20-2 Honmachi, Shibuya-ku, Tokyo -
From the dining area, the window of the music room is visible, emphasizing the depth created by the elongated site.
Archiplace502 Palm House Hatsudai, 1-20-2 Honmachi, Shibuya-ku, Tokyo
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