Wahroonga Preparatory School is nestled between the St Johns University Church Group (NSW), a highly signify cant State Heritage listed group of buildings all original and well maintained, screen the school building along both street frontages. The commonwealth government’s Building the Education on Revolution on (BER) programme’ motivated the School to move forward its plans for expansion, fulfilling crucial needs for additional classrooms, library, music and art room.A number options for expansion of the school building and playgrounds were considered well before theadvent of the BER program, including options to purchase adjoining parcels of land; reconfiguration on of areas and uses within the current curtiliage amongst others. It was resolved to increase the bulk on the upper levels within the ‘L’ shaped footprint to accommodate additional classrooms, library, music room and ancillary facilities. Other core elements of the brief included accessibility and refurbished ground floor including lobby and main entry.The aims and objectives of the design brief included needs to ameliorate and enrich the school environmentprimarily for the children that inhabit the space; to adaptively reuse the school building while having minimal or no impact on the heritage significance of the Church and hall complex and its se