The UK branch of Japanese property company Mitsubishi Estates bought the site with plans to develop it into a 'landmark project 'in an all cash deal.
In a statement, ITV said that completion of the sale is expected to occur by the end of November.
Part of net proceeds of the sale of the South Bank site, will be used to replace the asset security, and the remaining sale proceeds used to reduce ITV's net debt.
London property market – monthly update, November 2019
Land registry data (UK HPI)
Monthly change 12 month
England £250,667 -0.1% +1.0%
London £474,061 -0.1% -0.4%
Kensington and Chelsea £1,229,175 -1.6% -11.4%
City of Westminster £897,094 -0.7% -12.3%
• England house prices grew by 1.0% in the year to September 2019, up slightly from 0.9% in August 2019.
• The North West was the fastest growing region in the UK with annual growth of 2.8%.
• The lowest annual growth was in London, where prices fell by 0.4% over the year to September 2019.
• The average property price in Islington is now £661,003 representing an annual increase of 0.1%.
• In September 2019, the most expensive area to purchase a property was Kensington and Chelsea, where the average cost was £1.2 million. In contrast, the cheapest area to purchase a property was Burnley, where the average cost was £85,000.