Variation of Condition 2 (Materials) and Condition 3 (Approved plans) attached to permission 21/01751/APP to enable a change in the materials used: from facing brick to render finish, from red clay tiles to dark grey interlocking concrete tiles and from white uPVC frames to dark grey aluminium frames for openings. Demolition of existing single storey rear conservatory erection of single storey rear extension (retrospective).