"... to the extent necessary to ensure that the cubic content of all extensions carried out to the original dwellinghouse do not exceed 70 cubic metres..."
"B. Dismantle the rear facing dormer and reconstruct the dormer ... so that [it complies] with [the approved plans]."
"Where the court is of opinion that the decision appealed against was erroneous in point of law, it shall not set aside or vary that decision but shall remit the matter to the Secretary of State with the opinion of the court for re-hearing and determination by him."