Addition of conservatory to roof terrace (Application under Section 73 to vary condition 2 (approved drawings) of planning permission no. 18/02170/FUL (Demolition of existing buildings, including retention of facade on Bailey Lane, and erection of multi-storey mixed use development incorporating flexible commercial uses at ground floor level (use classes A1, A2, A3, A4 and D1), student accommodation comprising of 73 studio apartments and 88 cluster apartments (providing 618 bedspaces) and private residential accommodation comprising of 39 x 1 bedroom apartments and 32 x 2 bedroom apartments, with associated facilities and landscaping))