Reports in Italy suggest that the Ghana international may make the deal permanent in the summer.
Once the subject of a transfer battle between Jose Mourinho and Manchester United's Alex Ferguson, the 31 year old has been in decline following a series of devastating injuries, which have seen him play fewer and fewer matches as the years have gone by. Essien had a brief resurgence last season on loan at Real Madrid in Mourniho's last season there as manager, but since both returned to West London, he has rarely featured.
The Chelsea manager is refreshing and re-balancing the side with the sale of Juan Mata and the arrivals of Matic and Salah. He has already told Essien he is free to leave and all that is left is for formal terms to be agreed for the player to join Clarence Seedorf's side.