Originally Posted by
stevebt
Those cracks aren't along the line of the original plaster as if they were they would be straight
The plaster on the chimney breast was left like that, the plasterer said thats fine as its bonded strongly.
I'll have to double check tomorow but the lines follow a similar shape to that grey plaster on the chimney breast and the crack could just be above it or in a direct line with that grey plaster line.