Variation of conditions 2 (plan numbers) and 3 (materials) attached to PP 17/06429/FUL (Construction of two storey rear extension, rear balcony and steps, hip to gable end roof extension, 1 x rear dormer window and 2 x rooflights to front in connection with loft conversion, new front steps with lightwell and conversion of basement into 1 x 2 bed self contained flat) to allow for a different internal configuration, a different number of roof lights to be installed and alternative materials to be used