Paragraph E.5 Interpretation of Class E
In determining the height of the eaves for the purposes of paragraph E.1(g)—
(a)
the determination is to be made by reference to the point where the external walls or other structure supporting the roof meet, or would meet if projected upwards, the lowest point of the upper surface of the roof; but
(b)
no account is to be taken of any parapet wall or any part of the roof slope which overhangs the external walls or other structure supporting the roof.