The 69-year-old was found at a property on Sutton Way at 7.30pm on Sunday after officers received a report concerned for his safety.
After enquiries, a 46-year-old man from Shrewsbury was arrested on suspicion of murder in Gosport, Hampshire.
He remains in custody and no other suspects are being sought at this stage.
Officers remain at the scene and enquiries are ongoing.
Anyone who may have any information that could help officers is asked to please get in touch.
Call 101 or visit orlo.uk/rIyHe quoting incident 552 of 24 July, or Crimestoppers on 0800 555 111.