Passive Design Before BASIX in NSW 2026: Orientation, Glazing and Thermal Mass That Cut Certification Risk Lock orientation, living-room aspect, glazing ratios by façade, external shading, thermal mass, cross-ventilation and insulation continuity before NatHERS modelling and BASIX thermal commitments. In N... BASIX NSW Planning Passive House Sustainable Building Ventilation architectural-design basix-certification nathers Sep 7, 2026