Roof alterations including replacement of 3no front rooflights; and concrete roof tiles to rear with clay tiles; installation of rear dormer window; 1no rear/side rooflight; and solar P/V array to rear/side roof-slope; raising of rear section of flat roof; and reinstallation of decorative finial to front gable end, with associated alterations. Removal of existing rear conservatory and erection of single storey rear extension with rooflight. Installation of new waste pipe on side elevation; 2no ventilation terminals on rear elevation; and air source heat pump to the side of the dwellinghouse, with associated alterations.