[4] 13 hectares (32 acres) of area in the Tamachi Depot will be repurposed and redeveloped, for an estimated cost of 500 billion Japanese yen.

The Yamanote and Keihin-Tōhoku Line tracks were moved east by 120 meters (393 ft 8 in), such that office buildings, hotels, commercial buildings and high-rise skyscrapers could be built around the area, which is scheduled to open in 2024.

[9] From 5 to 30 June 2018, JR East publicly invited citizens to submit ideas of names for the new station, via mail or online submission.

[11] The station opened on 14 March 2020, ten days before the summer Olympics were postponed to 2021 as a result of the COVID-19 pandemic.

[12] Yuji Fukasawa, president of JR East, has justified the naming with Takanawa's historical status of being a "gateway to Edo", while also serving as the site for the development of an international hub in the future.

[13] (In the 1800s, the official southern entrance to Edo, as Tokyo was then called, was the Takanawa Great Wooden Gate directly to the west of the station.)