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Shibuya, Tokyo

Kairyoyu — a storeroom under the stairs becomes a sento's open-air rest area

Kairyoyu is a sento (public bathhouse) near Shibuya and Ebisu stations. After a 2018 renovation it became so popular for its sauna that entry had to be limited, so in 2022 the men's side was enlarged to ease the crowding. Both renovations were designed by Kentaro Imai Architects. Everything below is based on the architects' project page and the official website.

A sauna room with stepped benches
A dark room with a clock on the wall
The open-air rest area enclosed by vertical slats
Vertical slats and chairs
A corridor-like rest spot with chairs

6 photos · © Kentaro Imai Architects (Kairyoyu 2022 renovation) · Tap any photo to view it full size

LocationHigashi, Shibuya, TokyoRenovated2022 (men's side enlarged; also renovated in 2018)DesignKentaro Imai ArchitectsSaunaGas stove designed for löylyOutdoor restA dedicated open-air rest area on the men's side

Introduction

A second renovation to ease the crowds

In 2021 the owner asked whether the men's side could be enlarged using spare space such as the area under the stairs and a storeroom. It was the first time the architects had renovated the same sento twice.

The 2022 work covered only the men's side: the storeroom under the stairs became an open-air rest area, and the cold bath was moved so the sauna could grow. In exchange, the washing taps (karan) went from 16 to 11.

01 · Sauna room

Only the floor is lit

The stove is a gas model designed for löyly; it was chosen because raising the electrical capacity was difficult.

Only the floor is lit, so bathers are not aware of each other's faces.

A dark room with a clock on the wall
A dark room with a clock on the wall

02 · Open-air rest area

A storeroom under the stairs, now outdoors

The storeroom under the stairs next to the men's bath was turned into an open-air rest area.

A dedicated open-air rest area is still rare at a sento.

The open-air rest area enclosed by vertical slats
The open-air rest area enclosed by vertical slats
Vertical slats and chairs
Vertical slats and chairs

03 · Bathroom

A rest spot lined with chairs

A corner of the bathroom also has chairs lined up for resting.

A corridor-like rest spot with chairs
A corridor-like rest spot with chairs
A bath of dark tiles
A bath of dark tiles

What is a karan?

The hot and cold taps in a sento's washing area.

In the 2022 renovation Kairyoyu reduced its karan from 16 to 11 to make room for a bigger sauna and the open-air rest area.

OperatorKairyoyu
DesignKentaro Imai Architects
Photos© Kentaro Imai Architects (Kairyoyu 2022 renovation)
SourcesKentaro Imai Architects: “Kairyoyu 2022 renovation” / Kairyoyu official website

この住所までお願いします。

東京都渋谷区東2-19-9
改良湯

Kairyoyu — Shibuya, Tokyo, Japan

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