Tokyo Sky Tree

Tokyo
Height
1
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).
634 m / 2,080 ft
2
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 Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."
634 m / 2,080 ft
3
Occupied:
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
451.2 m / 1,480 ft
1 2 3 Tokyo Sky Tree
  Floors
Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
3
Official Name
The current legal building name.

Tokyo Sky Tree

Type
CTBUH 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 CTBUH 'Tallest Buildings' lists.

Tower

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

Completed

Completion

2012

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

Japan

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

Tokyo

Address

Oshiage 1-1-1

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 CTBUH "Tallest Building" lists in descending order, e.g., "hotel/office" indicates hotel function above office function.

Telecommunications / Observation

Structural Material
All-Steel
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from steel. Note that a building of steel construction with a floor system of concrete planks or concrete slab on top of steel beams is still considered an “all-steel” structure as the concrete elements are not acting as the primary structure.

All-Concrete
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from concrete which has been cast in place and utilizes steel reinforcement bars and/or steel reinforced concrete which has been precast as individual components and assembled together on-site.

All-Timber
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from timber. An all-timber structure may include the use of localized non-timber connections between timber elements. Note that a building of timber construction with a floor system of concrete planks or concrete slab on top of timber beams is still considered an “all-timber” structure as the concrete elements are not acting as the primary structure.

Mixed-Structure
Utilizes distinct systems (e.g. all-steel, all-concrete, all-timber), one on top of the other. For example, a Steel Over Concrete indicates an all-steel structural system located on top of an all-concrete structural system, with the opposite true of Concrete Over Steel.

Composite
A combination of materials (e.g. steel, concrete, timber) are used together in the main structural elements. Examples include buildings which utilize: steel columns with a floor system of reinforced concrete beams; a steel frame system with a concrete core; concrete-encased steel columns; concrete-filled steel tubes; etc. Where known, the CTBUH database breaks out the materials used within a composite building’s primary structural elements.

All-Steel

Official Website

Tkyo Sky Tree

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 Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."

634 m / 2,080 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).
634 m / 2,080 ft
Occupied
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
451.2 m / 1,480 ft
Observatory
451.2 m / 1,480 ft
Floors Below Ground
The number of floors below ground should include all major floors located below the ground floor level.

3

# of Elevators
Number of Elevators refers to the total number of elevator cars (not shafts) contained within a particular building (including public, private and freight elevators).

13

Top Elevator Speed
Top Elevator Speed refers to the top speed capable of being achieved by an elevator within a particular building, measured in meters per second.

10 m/s

Construction Schedule

2006

Proposed

2008

Construction Start

2012

Completed

Architect
Design

Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.
NIKKEN SEKKEI LTD
Architect
Design

Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.
NIKKEN SEKKEI LTD
Contractor
Main Contractor

The main contractor is the supervisory contractor of all construction work on a project, management of sub-contractors and vendors, etc. May be referred to as "Construction Manager," however, for consistency CTBUH uses the term "Main Contractor" exclusively.
Obayashi Corporation
Material Supplier

Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Elevator
Toshiba Elevator and Building Systems Corporation (TELC)

CTBUH Initiatives

Vertical Transportation: Ascent & Acceleration

12 September 2017 - CTBUH Research

A New Leader for Telecom Towers

19 February 2012 - CTBUH Research

 

Research

05 July 2023

We All Love to Get High: Optimizing Observation Deck Design

Terri Meyer Boake

Height is aspirational, and having the best view from that height has become a driver in contemporary tall building design. Likewise, observation decks are a...

See more

Research

05 July 2023

We All Love to Get High: Optimizing Observation Deck Design

Terri Meyer Boake

Height is aspirational, and having the best view from that height has become a driver in contemporary tall building design. Likewise, observation decks are a...

01 December 2015

Structural Design and Construction of the Foundation of Tokyo Sky Tree

Atsuo Konishi, Nikken Sekkei; Masaru Emura, Obayahi Corporation

This paper introduces the structural design and construction method for the foundation of the TOKYO SKYTREE, a new digital broadcasting tower in Tokyo, which has...

20 May 2015

The Fire-Resistant Design of Tokyo Sky Tree

Tomoyuki Someya, Nikken Sekkei Ltd.

As a critical asset for the city of Tokyo and its international reputation, the Tokyo Sky Tree was required to incorporate fire safety strategies that...

01 June 2012

A New Leader for Telecom Towers

CTBUH Research

With the recent completion of two megatall telecommunication/observation towers it is perhaps time to review these structures and also explain why they are distinguished from...

10 October 2011

Robotic High-Rise Construction of Pagoda Concept: Innovative Earthquake-Proof Design for the Tokyo Sky Tree

Thomas Bock & Thomas Linner, Technische Universität München; Shino Miura, The University of Tokyo

The Tokyo Sky Tree was constructed by using techniques and components of its Automated Building Construction System (ABCS) which they have been developing since the...

10 October 2011

Structural Design of Tokyo Sky Tree

Atsuo Konishi, Structural Engineering Department, Nikken Sekkei Ltd.

Presented in this paper is an outline of a structural design of Tokyo Sky Tree which is a new core facility of digital broadcasting for...

CTBUH Initiatives

Filter by

12 September 2017

Vertical Transportation: Ascent & Acceleration

CTBUH partnered with Guinness World Records to identify the commercial building with the fastest elevator speeds and longest vertical runs.

19 February 2014

A New Leader for Telecom Towers

With the completion of two megatall telecommunication/observation towers it is perhaps time to review these structures and also explain why they are distinguished from other buildings.