Construction of rear extension at ground floor and first floor level of the existing house and the installation of 2 no. 'velux' (or sim.) rooflights in to the existing rear roof pitch of the existing 2-storey terraced house and the removal of the existing slated/cladded hipped dormer extension on rear roof and the removal of the existing single-storey toilet rear return at ground floor level. The upper roof of extension (first floor) to be a slated, hipped roof and the lower roof (ground floor) to be a flat roof with parapet and flat rooflight (lightwell).