Roppongi 5-chome West District Type 1 Urban Redevelopment Project Tower A-1

Tokyo

Note: As this project is proposed, the data is based on the most reliable information currently available. This data is thus subject to change until the building has completed and all information can be confirmed and ratified by CVU.

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    Metrics
Height 327 m / 1,073 ft
Floors 66
Official Name
The current legal building name.

Roppongi 5-chome West District Type 1 Urban Redevelopment Project Tower A-1

Name of Complex
A complex is a group of buildings which are designed and built as pieces of a greater development.

Roppongi 5-chome West District Type 1 Urban Redevelopment Project

Type
CVU collects data on two major types of tall structures: 'Buildings' and 'Telecommunications / Observation Towers.' A 'Building' is a structure where at least 50% of the height is occupied by usable floor area. A 'Telecommunications / Observation Tower' is a structure where less than 50% of the structure's height is occupied by usable floor area. Only 'Buildings' are eligible for the CVU 'Tallest Buildings' lists.

Building

Status
Completed
Architecturally Topped Out
Structurally Topped Out
Under Construction
Proposed
On Hold
Never Completed
Vision
Competition Entry
Canceled
Proposed Renovation
Under Renovation
Renovated
Under Demolition
Demolished

Proposed

Expected Completion

2030

Country
CVU follows the United Nations's definition of Country, and thus uses the lists and codes established by that organization.

Japan

City
CVU follows the United Nations's definition of City, and thus uses the lists and codes established by that organization.

Tokyo

Function
A single-function tall building is defined as one where 85% or more of its usable floor area is dedicated to a single usage. Thus a building with 90% office floor area would be said to be an "office" building, irrespective of other minor functions it may also contain.

A mixed-use tall building contains two or more functions (or uses), where each of the functions occupy a significant proportion of the tower's total space. Support areas such as car parks and mechanical plant space do not constitute mixed-use functions. Functions are denoted on CVU "Tallest Building" lists in descending order, e.g., "hotel/office" indicates hotel function above office function.

Hotel / Office

Height
Architectural
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building, including spires, but not including antennae, signage, flag poles or other functional-technical equipment. This measurement is the most widely utilized and is employed to define the Council on Vertical Urbanism (CVU) rankings of the "World's Tallest Buildings."

327 m / 1,073 ft

To Tip
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element (i.e., including antennae, flagpoles, signage and other functional-technical equipment).
327 m / 1,073 ft
Floors Above Ground
The number of floors above ground should include the ground floor level and be the number of main floors above ground, including any significant mezzanine floors and major mechanical plant floors. Mechanical mezzanines should not be included if they have a significantly smaller floor area than the major floors below. Similarly, mechanical penthouses or plant rooms protruding above the general roof area should not be counted. Note: CVU floor counts may differ from published accounts, as it is common in some regions of the world for certain floor levels not to be included (e.g., the level 4, 14, 24, etc. in Hong Kong).

66

Floors Below Ground
The number of floors below ground should include all major floors located below the ground floor level.

8

Construction Schedule

2024

Proposed

2025

Construction Start

2030

Completed

Owner/Developer
Mori Building; Sumitomo Realty & Development Co., Ltd.
Owner/Developer
Mori Building; Sumitomo Realty & Development Co., Ltd.

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