Does anyone know anything about gardening?

didn't sound best pleased

Tell them to shove up their busybody moany arses.

General Permitted Development Order Article 2

(2) Unless the context otherwise requires, any reference in this Order to the height of a building or of plant or machinery is to be construed as a reference to its height when measured from ground level; and for the purposes of this paragraph “ground level” means the level of the surface of the ground immediately adjacent to the building or plant or machinery in question or, where the level of the surface of the ground on which it is situated or is to be situated is not uniform, the level of the highest part of the surface of the ground adjacent to it.

(Oblig. I am not a planning officer, don't any advice I offer as gospel etc.)