Variation of condition 7 (approved plans) of planning permission DOV/21/01668 to vary plans as approved under DOV/21/01035 (application under Section 73) (conversion of 4no. flats to create 2no. attached dwellings to include erection of a second-floor extension, alterations to windows/doors, balconies with balustrade to first and second floor east elevations, 2no. openings to front wall and associated parking)