Tuesday 5 May 2020

Opening of Otemachi's new large-scale mixed-use development Otemachi One

Overall perspective of Otemachi One
This May will see the opening of the new mixed-use complex, Otemachi One. Comprising office space, a hall, conference facilities, shops and restaurants, a hotel, and extensive green areas, it is one of the biggest development projects ever untaken in the Otemachi area. 

The complex is home to excellent MICE facilities suitable for a range of business events, such as international conferences and sales presentations, live music performances and other types of entertainment.

This large-scale integrated development embodies the knowledge and experience accumulated by Mitsui & Co. through its diverse global business operations, and by Mitsui Fudosan through its innovative urban development projects. 

Comprising office space, a hall, conference facilities, shops and restaurants, a hotel, and extensive green areas, it is one of the biggest development projects ever untaken in the Otemachi area. For Mitsui & Co., the project combines the construction of a new Head Office building with one of Japan’s biggest urban development. For Mitsui Fudosan, Otemachi One is a flagship project as its first large-scale mixed-use development in the Otemachi area.

The Cabinet Office has designated Otemachi One as a National Strategic Special Zone project because of its capacity to attract foreign businesses and promote business interaction through its enhanced MICE (meetings, incentives, conferences, and exhibitions/events) functions. The project is seen as a development initiative that will help to enhance Tokyo’s international competitiveness.

About “Otemachi One”

The name “Otemachi One” will apply to the entire area. The two buildings in the area are the Otemachi One Tower, a building on the Hibiya-dori Avenue side of the development, in the top floors of which the Four Seasons Hotel will be located, and the Mitsui & CO. Building located on the Imperial Palace side of the area, which will serve as the new Head Office for Mitsui & Co., Ltd. The names of facilities for other purposes are as shown in the following diagram.

Main Features of “Otemachi One”

This large-scale integrated development covers a site area of approximately 20,900m2 and encompasses buildings with a total floor area of approximately 358,700m2, including the 200-meter Otemachi One Tower with 39 above-ground levels and five basement levels, and the 160m Mitsui & CO. Building with 31 above-ground levels and five basement levels.

The second basement level will be directly connected to the Otemachi Station on the Tokyo Metro Chiyoda Line. A total of five subway lines are accessible from Otemachi Station, including Tokyo Metro’s Marunouchi Line, Tozai Line and Hanzomon Line, as well as the Mita Line on the Toei Subway network.

Located on the west side of the area, the Otemachi One Garden (to be completed in 2022) will provide an expansive green area of approximately 6,000m2 that will also link to Imperial Palace gardens and the Masakado-zuka. Planted with trees indigenous to the region, the Otemachi One Garden also feature waterside areas and will be an attractive space for relaxation and social interaction. It will also be used as a venue for various outdoor events.

The Otemachi One Tower has one of the biggest floor plates in the area. Standard floors will offer approximately 3,730m2 of dedicated office space, allowing tenants to create efficient work layouts. The entrance lobby will have a ceiling height of approximately 10 meters and space for up to eight dedicated reception and lobby areas. The building will also feature the biggest above-ground pick-up/drop-off zone in the area.

The top floors of the Otemachi One Tower will house the luxury Four Seasons Tokyo at Otemachi(193 rooms). The top level of the hotel on the 39th floor will offer panoramic views from a height of approximately 180 meters and will feature restaurants, as well as a spa and pool. On the third floor there will be a ballroom and conference facilities with capacity for weddings and major conferences.

The Otemachi Mitsui Hall will occupy the lower floors of the Mitsui & CO. Building. There will also be eight conference rooms capable of accommodating events & CO. with 200 attendees. These facilities will further enhance the area’s capacity to accommodate a variety of interaction and communication activities.

Mitsui & Co., Ltd. will relocate its headquarters to the Mitsui & CO. Building. Space in the building will also be available for tenanting.

Around 30 retail outlets will open in Otemachi One Avenue, a shopping area that will link directly to the subway concourse. This will create a new area for relaxation and lively activity. A full line-up of worker support facilities, including a childcare center and clinic mall, will also be provided.

Otemachi Mitsui Hall and 30-Store Retail Zone Area—Grand Opening in May 2020

Perspective of Otemachi Mitsui Hall (Theater style)
(1)Multipurpose Otemachi Mitsui Hall
With a glass wall approximately seven meters high, the Otemachi Mitsui Hall provides superb views of the greenery surrounding the Imperial Palace. It consists of a hall with an area of approximately 700m2, and a 380m2 foyer. The facility is ideal for uses ranging from business events, such as international conferences and sales presentations, to live music performances and other types of entertainment. It will be an important new hub for the promotion of business interaction, international exchange, and access to culture and art.

For detailed information, visit the website (https://www.otemachi-hall.jp/).

(2) Varied Selection of Retail Outlets to Meet a Wide Range of Worker Needs
Located beneath Otemachi One, the Otemachi One Avenue, lined with retail outlets and directly linked to the subway concourse, will open. In addition to a selection of restaurants offering lunches, takeaways, and various dinner options, the approximately 30 outlets will also include a clinic mall and a convenient running station for those wishing to enjoy a run around the Imperial Palace grounds. 

Perspective of the two level atrium area
The two-level atrium area on the second basement level will feature seating on the front side of the retail area and will become a new focus of activity in the Otemachi district. A restaurant on the ground floor (opening date to be determined) will feature terrace seating facing the green area on the Imperial Palace side and will be an ideal venue for wedding after-parties and similar events.

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