As an Interior Architect, you will need to master following:

• advise clients on interior design options
• architectural design
• architectural theory
• architecture regulations
• assist in interior plant projects
• develop architectural plans
• estimate budget for interior design plans
• furniture trends
• identify customer's needs
• integrated design
• materials for interior design
• measure interior space
• monitor trends in interior design
• prepare detailed working drawings for interior design
• project management
• satisfy aesthetic requirements

More generally, an interior architect is also versed in:

• aesthetics
• build business relationships
• communicate with customers
• design principles
• draw blueprints
• ensure infrastructure accessibility
• furniture wood types
• integrate measures in architectural designs
• meet building regulations
• promote sustainable interior design
• technical drawings
• write work-related reports

It also helps to know the following:

• advise on architectural matters
• create architectural sketches
• design microclimates in buildings
• evaluate integrated design of buildings
• CAD software
• CADD software
• building codes
• design space for religious needs
• ecology
• energy performance of buildings
• engineering principles
• green space strategies
• mathematics
• physics
• urban planning
• use technical drawing software
• zoning codes