Advice on drawing standards
Drawing standard – roof plan
These should show a scale bar or a measured dimension and be drawn to a scale of 1:50 or 1:100 and is used to show the shape of the roof particularly when development includes changes to its appearance and shape. Show the position of all ridges, valleys, dormer windows, roof lights and other features, such as chimneys or raised parapets. Details such as the roofing material and their location are typically specified on the roof plan.