Thanks for the prompt responses! It doesn't look too sinister then? It is the only thing niggling about the property but I'm sure the surveys will pick it up.
A house I am looking to buy has the following cracks (see pictures) one is to the side of a lintel and the other vertical crack is just to the left of the window. They are at top of the stair case and above is a further stair case to a converted loft (approx 30 years old). I have had look...