Variation of condition 2 (Develop in accordance with approved plans) of planning permission 17/02419/FUL (Erection of new Music School, construction of link to Lynam Hall, landscaping including the formation of a new courtyard, garden area to Lane House and entrance courtyard.) to allow an extension to the north west staircase and plant room, the provision of air-source heat pumps and alterations to fenestration. Increase in height of parapet wall, removal of fire escape and seating box to the north elevation. Alterations to the fire escape ramp to the south elevation and alterations to the link structure to Lynam Hall. Reduction in roof mounted PV solar panels and rooflights. (amended description)