"Who knows what the future holds but I shall always have great memories of the past 16 years."
Keith is also Vice Chairman of Group Lending at The Northview Group, the parent company of Kensington.
In a message on his LinkedIn profile, he said: "After what will be nearly 16 years with Kensington I shall be leaving at the end of this year.
"I will be sad to depart as I have enjoyed my time and it's been a pleasure to work with so many good people, and achieve so much. Who knows what the future holds but I shall always have great memories of the past 16 years."
A Northview Group spokesperson confirmed the departure, stating: “Keith Street, Vice Chairman, Group Lending, The Northview Group has decided to retire at the end of 2017 from his full time operational role, after 15 years with the company.
"The Group has initiated a search for a Head of Sales and Marketing to take on the strategy and management of the sales and marketing functions covering both the Kensington and New Street brands.”