The Gateway building comprises two six-storey blocks and one five-storey block interconnected and arranged around a central courtyard. The total building comprises c148,000 ft2 and includes c113 basement parking spaces. The building is fully let to CitiBank.

Planning for the building was permitted under Z/2002/2417/O (submitted Oct 2002 / approved June 2005) and Z/2005/1720/RM (submitted Aug 2005 / approved April 2006).

The building was placed on the market in January 2016 with a guide price of £29m but later withdrawn.

CBRE placed the building on the market again in November 2018 with offers invited in excess of £34m.

Citigroup acquired the building in April 2019.