Non Material Amendment pursuant to planning permission SU/16/0875 (relating to erection of first/second floor rear extension and associated alterations to facilitate conversion of first and second floor to provide 4 No. one bedroom flats with external stair access and roof terrace), to allow the provision of the rear extension, which would provide 2 No. one bedroom flats, and retain the upper floor of the existing building as 1 No. two bedroom flat (instead of converting into 2 No. one bedroom flats).