Architectural and Interior Design for First Floor

Project Requirement – First Floor House Design + Interior I have an existing ground floor house already constructed and in use. I want to construct the first floor over the existing structure. Structural design is already available / will be handled by my local engineer... (Budget: ₹1500 - ₹12500 INR, Jobs: 3D Modelling, 3D Rendering, 3D Visualization, AutoCAD, Building Architecture, Building Design, Furniture Design, Interior Design)