An English Haunting (2020)

In 1960s England, Blake Cunningham and his alcoholic mother are forced to move into the mysterious Clemonte Hall, a vast isolated manor house, to care for his dying Grandfather who resides in the attic room. Soon, ghostly goings-on fill the house with dread, as it becomes apparent Grandfather's illness may have a supernatural cause that can only be cured by uncovering the terrifying secrets of the house and its dark history.

Unfortunately the movie An English Haunting is not yet available on HBO Max.