[2] Grigg was educated at King Edward VI School, Southampton (where he was in Lawrence House),[1] and graduated from Trinity Hall, University of Cambridge with a first in Economics.
[3] Although there has been some criticism of his decision to sell 50% of British Land's City of London Broadgate development to Blackstone Group, as well as 50% of the Meadowhall Centre, Sheffield, Grigg has stated his belief that this was the right decision in the long term: "We aspire to outperform the market.
"[4] In January 2012, he said that the City of London's skyline needs to become more like Manhattan to attract companies to the capital, and that office spaces need to be larger and more flexible.
[5] In September 2020, Grigg announced he was stepping down as chief executive of British Land from December 2020.
[2][6] Grigg was appointed Commander of the Order of the British Empire (CBE) in the 2021 New Year Honours for services to business, particularly during the COVID-19 response.