Lighthouse Tokyo by YSLA architects

Function transformation from hotel to apartment.

Project Specs


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Building use


Lighthouse Tokyo is a nine story building who was designed as a hotel in the neighborhood of Shinjuku, Tokyo, and has been delivered as a residence building due to the impact of the COVID-19 in the Tokyo tourism business.

▼项目外观,appearance © Munetaka Onodera


Ground floor and levitating façade


The building is in a crossing along Waseda street. The facade was conceived as concrete levitating sheet, who erase the boundaries between interior and exterior, public and private and opens to the street intersection trough two round cuts inviting people from every direction. The building was thought as a lighthouse for the travelers.The ground floor, reconverted into a co-working space for the residents is the expression of the new normality.

▼立面覆盖混凝土悬浮板 © Munetaka Onodera
facade covering concrete levitating sheet

▼底层的两个弧形开口向十字路口开放 © Munetaka Onodera
two round cuts open to the street intersection

▼入口,entrance © Munetaka Onodera

▼细节,details © Munetaka Onodera

▼公共办公空间,co-working space © Munetaka Onodera


Rooms and Doma space


▼轴测,空间灵活使用,axonometry,flexible use of space © YSLA architects

The building was planned as a series of open floors with a plan developed around the doma space 土間. The doma is in traditional Japanese buildings an area associated with the daily use and the entrance points, and it was the center of the socialization. In this space the guests are allowed to enter with shoes and is the place to gather. The doma is surrounded by a raised floor area that becomes a flexible platform for quiet activities and night use. In this shoeless space the futons are placed at night depending on the number of guests. The boundary between the doma and the raised floor can be close using light partitions, wooden blinds, or curtains.

▼室内空间开放,围绕土间展开,open floors with a plan developed around the doma space © Munetaka Onodera

▼帷幔隔断,curtains © Munetaka Onodera

▼木制卷帘隔断,wooden blinds © Munetaka Onodera

▼细节,details © Munetaka Onodera


Change of use


The flexibility of the space together with a plan which enhances the Covid-19 guideliness for ventilation, made possible a successful transformation into apartments. Although the building was plan as a hotel we envisioned the importance of the interior exterior spaces and we design the plan with two balconies per floor/room. In the new apartment layout one balcony is used for leisure and the other for BOH purposes. These spaces become even more valuable in the middle of the Covid pandemia.

▼一层平面,ground floor plan © YSLA architects

▼二层平面,first floor plan © YSLA architects




YSLA designed Miwa みわ as a modular and flexible furniture that can be assembled and use in different ways and remembers the spirit of the lighthouse in its shape.

▼模块化家具,modular furniture © YSLA architects

▼细节,details © YSLA architects

▼以不同的方式组装,assemble in different ways © YSLA architects

Project Credits:
Architecture & Interior: YSLA architects
Curtains: Studio Onder de Linde
Structure: yAt Structure Design Office
Contractor: FUJIKEN
Photography: Munetaka Onodera

Project data:
Design period: 10/2018 – 03/2019
Construction period: 07/2019 – 07/2020
Building completion: 07/2020
Plot area: 108m2
Building footprint: 70m2
Building area: 554m2

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