<span>Milton is referring to the Devil, disguised as a serpent, tempting Eve in the Garden of Eden. The serpent deceives her and Adam into eating the forbidden golden apples from the Tree of Life, and they are cast out of Eden forever.</span>
We can infer that the house is old and haunted because of the background color.
The conclusion we can draw would be that the house is about 70-100 years old because it is old.
A it gives just enough information to make the reader want to keep reading