Section 73 application to vary condition 2 (approved plans and documents) and 3 (materials) - alterations to the material and location of the doors and windows; external pipe work installation, attached to planning permission 16/00584/FUL dated 23rd May 2016 which granted full planning permission for: "Erection of 9 x self contained residential units comprising of 3 x 3 bed, 5 x 2 bed, 1 x 1 bed units including cycle and refuse storage on the ground floor."