Thermal improvements to existing terraced property including rear external wall insulation system with light coloured render. Replacement windows to the whole house, PV panels located on the SW and NE facade of the roof pitch, and air source heat pump located to the rear garden level. New glazed doors to the rear external facade, including the addition of a rear balcony and a loft level juliet balcony. New rooflights located in position of existing bespoke rooflights on northern pitch.