materials smooth traditional white plaster fa ades all exterior painted woodwork must have exactly the same colour shutters window frames window sashes window mullions timber surrounds fascia boards exposed timber the left entrance door all of these elements must be painted in a very dark wagon green ral 6009 equivalent almost black this colour is mandatory the green must appear almost black from a distance it must never appear light green olive green sage green pastel green grey green or natural wood windows must not be brown window frames must not be natural timber window frames must be painted the exact same dark wagon green as the shutters the only natural wood element is the right entrance door every other exterior wooden element is painted dark wagon green preserve exactly every existing timber surround around the left entrance door preserve exactly every existing stone surround around the right entrance door never replace timber with stone never replace stone with timber never invent new architectural details