Yoshinogawa Valley Àtúnṣe Ilé Olú-iléṣẹ́ láti ọwọ́ Wataru Sato jẹ́ aṣẹ́gun olókìkí púpọ̀ ti 2026 Àmì-ẹ̀yẹ Idẹ A' Design Award nínú Ẹ̀ka Ìdíje Àpẹẹrẹ Ìkọ́lé, Ilé àti Ètò.
IdẹÌkọ́lé· 2026
Yoshinogawa Valley Àtúnṣe Ilé Olú-iléṣẹ́
látọ̀wọ́ Wataru Sato
Oníbàárà: KITAOKA Group
Aṣẹ́gun Àmì-ẹ̀yẹ Idẹ A' Design Award nínú Ẹ̀ka Ìkọ́lé
Aṣẹ́gun Àmì Ẹ̀yẹ Tí a Jẹ́rìísí
Jẹ́rìísí Ipò Àmì Ẹ̀yẹ fún #175868Àpẹrẹ Náà
Nípa Yoshinogawa Valley Àtúnṣe Ilé Olú-iléṣẹ́
Iṣẹ́ àgbékalẹ̀ yìí jẹ́ àtúnṣe ilé ọ́fíìsì tí a fi àwọn ẹ̀yà tí a ti kọ́ tẹ́lẹ̀ ṣe, tí ó ti pé ogójì ọdún, láìsí wíwó o palẹ̀. A fi àlàfo tí ó gùn tó àádọ́ta mítà sí àárín ìkọ́lé tí ó wà tẹ́lẹ̀, tí ó bá ìlà ìlà-oòrùn sí ìwọ̀-oòrùn ti Odò Yoshino mu, èyí tí ó tún ilé náà ṣe sí apá méjì, ìhà àríwá àti gúúsù. A pè é ní Àfonífojì Odò Yoshino, iṣẹ́ àlàfo yìí ni ó jẹ́ ẹ̀yìn-ọ̀pá ti iṣẹ́ ìkọ́lé náà. Fèrèsé òrùlé tí ó dojúkọ ìhà àríwá ń pèsè ìmọ́lẹ̀ ọ̀sán tí ó dúró ṣinṣin, nígbà tí atẹ́gùn àdánidá ń wọlé nípasẹ̀ ìyàtọ̀ gíga àti ìfúnpá. Nípa títún ilé náà ṣe, iṣẹ́ àgbékalẹ̀ yìí yẹra fún pípín àwọn iye tí ó ń gbé ró.
Ìdánimọ̀ Náà
Nípa Àmì-ẹ̀yẹ Idẹ A' Design Award
Yoshinogawa Valley Àtúnṣe Ilé Olú-iléṣẹ́ jẹ́ olùborí Àmì-ẹ̀yẹ Idẹ A' Design Award, ìdánimọ̀ olókìkí gan-an tí a fún àwọn àwòṣe tó tayọ tí wọ́n yàtọ̀ nípasẹ̀ ìṣẹ̀dá, àrékérekè àti ọgbọ́n inú. Àwọn olùborí Idẹ jẹ́ àwọn ohun èlò tó ní ìjáfáfá gan-an tí wọ́n sì ní ìṣẹ̀dá tó yani lẹ́nu tí wọ́n ń ṣe ẹ̀rí ìrírí gbígbòòrò, ìrònú àti ọgbọ́n àwọn olùṣàwòṣe wọn. A retí pé Yoshinogawa Valley Àtúnṣe Ilé Olú-iléṣẹ́ yóò jẹ́ ohun tí a kà sí gidigidi, tí a gbóríyìn fún tí a sì nífẹ̀ẹ́, tó jẹ́ ti ọ̀jáfáfá lọ́nà tó ṣe pàtàkì tó sì ní ìmúṣẹ̀dá tuntun. Àwòṣe tó borí Àmì-ẹ̀yẹ Idẹ A' Design Award yìí ń kó àwọn ọ̀nà tó dára jùlọ nínú iṣẹ́ ọnà, sáyẹ́ǹsì, àwòṣe àti ìmọ̀-ẹ̀rọ jọ, ó sì tayọ nítorí àfiyèsí rẹ̀ sí àwọn àlàyé kékeré. Yoshinogawa Valley Àtúnṣe Ilé Olú-iléṣẹ́ ń tẹ́ àwọn ohun tí a nílò lọ́rùn lọ́nà àgbàyanu, ó ń fọwọ́ kan àwọn ìfẹ́ inú, ó ń gbà ọkàn ó sì ń fa ìfẹ́ láti mọ̀ mọ́ra.
Lẹ́yìn Àpẹrẹ Náà
Àkójọ Ìròyìn
Àwọn ẹ̀tọ́, àwọn ọmọ ẹgbẹ́ àti àlàyé ìmọ̀ ẹ̀rọ tí olùṣàpẹrẹ pèsè.
- Àwọn Ohun Àkànṣe
- Inspired by the Yoshinogawa River, the design translates the structure of a valley into architecture. By dividing the existing building into two volumes and inserting a linear void, a valley-like interior is created.
A 50-meter skylight brings daylight inside, while the void enables ventilation, greenery, and social interaction. This configuration integrates environmental elements into the workplace.
Through renovation, the design reinterprets an existing office and proposes a new spatial model. - Ìwọ̀n àti Àpò
- A valley-like void and continuous skylight are introduced at the center of a 50-meter prefabricated office building. The two-story void brings daylight to the ground floor and enhances natural ventilation.
A 7-meter Benjamin fig tree is placed at the center, visible from both levels. Planting along the void forms a layered green environment connected to the exterior.
Existing structure and finishes are retained, creating a composition where old and new materials coexist. - Àwọn Àkọlé
- Prefabricated office renovation, open lounge, atrium and skylight, regional architecture, nature-inspired workspace, Yoshino River
- Ìmọ̀-ẹ̀rọ Ìṣelọ́pọ̀
- The project renovates an existing prefabricated office building without demolition.
A central valley-like void integrates daylight, ventilation, and greenery. Continuous skylights provide stable north light, while passive ventilation is driven by height and pressure differences.
Spatial organization is redefined as an environmental system, reducing reliance on mechanical equipment. Existing structure and finishes are retained, forming a layered expression and a sustainable model for reuse. - Ìpèníjà Àpèsè
- The primary challenge was to renew the environmental and social value of a deteriorated prefabricated office without demolition or new construction.
Introducing a skylight and central void into an enclosed structure required coordination of structural, safety, and cost constraints.
Rather than relying on equipment, the design redefines spatial organization as an environmental system.
The project shows that architectural operations can generate new value within existing buildings. - Ìwádìí
- This research examines how renovation can achieve environmental performance comparable to new construction.
A skylight and central void introduce daylight and passive ventilation, reducing reliance on mechanical systems.
Monitoring shows that artificial lighting is unnecessary during daytime and HVAC demand is reduced. Annual energy decreased by about 73,000 kWh, with savings of 65% in lighting and 30% in air conditioning.
The project presents a replicable model for sustainable renovation. - Ìmísí
- The project draws inspiration from the Yoshinogawa River, known as the Mother River of Tokushima.
Rather than referencing its form directly, the design interprets the river as a spatial structure.
By inserting a linear void through the existing building, the architecture transforms the logic of a valley into an interior condition, bringing light, wind, and greenery deep into the space, while also inviting relationships among people, families, and the local community. - Àkókò Iṣẹ́ Àkànṣe
- The project started in January 2023 in Miyoshi Town, Tokushima Prefecture, Japan, and was completed in August 2024.
- Ìlànà Ìṣiṣẹ́
- The building transforms a closed office into an open environment accessible to families and the local community.
The central valley acts as a social axis supporting movement, staying, and interaction. The ground floor serves as a shared space, while the upper floor provides flexible work areas.
Users are not assigned fixed workplaces but choose spaces as needed. Through everyday use, the project encourages informal encounters and redefines how work and social life coexist. - Ìfọwọ́sí Àwòrán
- Image #1: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #2: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #3: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #4: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
Image #5: Photographer Keita Yamamoto (Architectural Photography), Kitaoka Group Headquarters Renovation, 2024.
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