BNP Paribas Real Estate has signed an agreement with Kings Cross Central Limited Partnership to purchase a site at Kings Cross, paving the way for its first office development in the UK. The property advisory arm of French bank BNP Paribas plans to build a 40,000 m[sup]2[/sup] office building at the Kings Cross development, which will have a total surface area of 800,000 m[sup]2[/sup].