Construction of the $1.2bn skyscraper is set to start on 27 April and will be overseen by joint UK project managers EC Harris and Mace.
Once complete the tower will be the world’s tallest, beating current record holder the 828m-tall Burj Khalifa in Dubai.
source: http://www.building.co.uk/construction-to-start-on-%C2%A3800m-kingdom-tower/5067317.article