Nakagin Capsule Tower

A 1972 Metabolism landmark in Ginza designed by Kisho Kurokawa, built from 140 interchangeable capsules attached to two concrete cores. Demolished in 2022, it remains the defining realization of Metabolism architecture worldwide.

Use

Office tower

Area

Chuo City

Completed

1972

Floors

13 above ground, 1 below

Height

54 m

Total floor area

approx. 3,091 m²

Architect

Kisho Kurokawa

A Spacecraft in Ginza

In 1972, an unmistakably alien presence appeared on a street in Ginza, Tokyo’s most polished district. The Nakagin Capsule Tower Building, designed by Kisho Kurokawa, rose 13 stories above ground with one basement floor to a height of approximately 54 meters — modest by skyscraper standards, yet immediately arresting. Its two concrete cores bristled with 140 individual capsules, each a self-contained pod fixed to the structure with four high-strength bolts and fitted with a porthole window, a built-in desk, and sleeping space.

The capsules were designed as urban second homes for working professionals — a place to stay when late hours made the commute home impractical. Each unit measured roughly 10 square meters: a compressed world fitted with the essentials of a modern working life. The building’s total floor area was approximately 3,091 square meters. On that Ginza street, it looked like nothing else on Earth.

Metabolism’s Most Complete Statement

Kurokawa was a leading figure of Metabolism, an avant-garde Japanese architectural movement of the 1960s that envisioned buildings as living organisms capable of growth and renewal. The Nakagin Capsule Tower was its most complete built realization: each capsule was theoretically replaceable, allowing the building to metabolize — to shed worn components and absorb new ones — indefinitely. It was described at the time as the world’s first capsule architecture built for permanent practical use.

In practice, no capsule was ever replaced. Decades of deferred maintenance, asbestos contamination, and fragmented ownership made renovation impractical. Debate over preservation versus demolition stretched across years, drawing attention from architects and institutions worldwide. In April 2022, demolition began.

Before the building came down, 23 of the 140 capsules were rescued by the Nakagin Capsule Tower Building Preservation and Regeneration Project, cleared of hazardous materials, and sent to cultural destinations including the Museum of Modern Art in New York. The idea survived the structure.

Summary

The Nakagin Capsule Tower was completed in 1972, with 13 floors above ground and a height of approximately 54 meters. Kisho Kurokawa’s design — 140 replaceable capsules attached to two concrete cores in Ginza — became the defining statement of Metabolism architecture and a landmark of world architectural history. Demolished in 2022, it endures through the 23 preserved capsules now living on in institutions and collections around the globe.

Walk past the block on Ginza 8-chome where it once stood. The sky where it used to be is a quieter, stranger memorial than any plaque.

Related: Nihonbashi Mitsui Tower / Tokyo Square Garden

Exploring central Tokyo’s architectural history? Rakuten Travel offers hotels across the Ginza and Tsukiji area.