Providing A Professional One Stop Design And Documentation Service. Building Designers - Maitland, NSW . Service: Alterations, Basix Reports, Customising, Design, Renovations. Specialty: Energy Efficiency. Place: Bathrooms, Exteriors, Interiors, Kitchens. Brand: NatHERS. Trade: Architects. Method: CAD. Assurance: Accredited, Greensmart