Erection of side addition to existing single-storey rear extension and conversion of a Class C4 (House in Multiple Occupation) into 2 x two-bedroom self-contained flats - Variation of Condition No. 02 (Accordance with Approved Plans) of Appeal Reference: APP/B0230/W/20/3257980 dated 22nd December 2020 of Planning Permission No. 20/00450/FUL