Gradwell Consulting specialises in energy rating and sustainability consulting throughout Australia. Services include: BASIX energy rating of homes and apartments in NSW NatHERS energy ratings throughout Australia Energy Efficiency Rating (EER) Certificates for the ACT BCA Section J reports using deemed-to-satisfy (DTS) methodology Advanced computer based modelling and simulation for all classes of building. Gradwell Consulting provide professional advice at affordable prices. Work is undertaken across Australia with clients including architects, developers, home owners and project managers in Sydney and other centres.