Hi,
Grove Park Hospital was built as a workhouse for the poor of Greenwich in 1902. It was taken over by the Army Service Corps in the First World War, and then became a hospital. It is now a housing estate. Some of the hospital buildings have been preserved.
Just google Grove Park Hospital there are some images, perhaps the local studies centre at Lewisam may be able to help!
I remember the hospital from the outside it gave me the creeps. Some people said " if you went in there you wouldnt come out".