Matthew Prout, a director at selling agent CBRE, said there were several bids and the sales process was competitive.
He added: "This is a once in a lifetime opportunity to acquire such a significant land holding in one of London’s most sought after locations. The sale reinforces the vibrancy of the London market, the continued appetite for assets in the capital and the depth and breadth of opportunities available to investors.”
Heythrop was established in Louvain, Belgium, in 1614 and has been part of the University of London since 1970. It is used to educate those who are preparing for ordination for the priesthood and those already engaged in ministry in the Catholic Church and other religious institutions.
It was announce in 2015 that the college would close in 2018.
Funds raised from the sale will be used to support the future work of the Jesuits in higher education.