Variation of condition 5 (approved plans) of PL/21/1817/FA (Part single storey/part two storey rear extension, first floor front/side extension, loft conversion with crown roof and installation of 2 front and 4 rear dormers and 6 side roof lights) to increase the depth of part of the rear extension by 500mm, with a flat roof for the whole extension and minor rear fenestration changes