The total hours an interior designer spends on a project depends on project size, complexity, customization, and revisions. On average, interior designers spend 50 to 500+ hours per project.
1. Estimated Hours Based on Project Type
| Project Type | Basic Interiors (Hours) | Mid-Range Interiors (Hours) | Luxury Interiors (Hours) |
|---|---|---|---|
| 1BHK Home | 50 – 100 hrs | 100 – 200 hrs | 250 – 400 hrs |
| 2BHK Home | 100 – 150 hrs | 200 – 300 hrs | 350 – 500+ hrs |
| 3BHK Home | 150 – 250 hrs | 300 – 400 hrs | 500+ hrs |
| Villa/Independent House | 300 – 400 hrs | 500 – 700 hrs | 800+ hrs |
| Office Interiors | 100 – 200 hrs | 250 – 400 hrs | 500+ hrs |
| Retail/Commercial Space | 150 – 300 hrs | 350 – 600 hrs | 700+ hrs |
2. Breakdown of Hours Spent by an Interior Designer
A. Concept Development & Planning (10 – 50 Hours)
✔ Understanding client needs, lifestyle, and budget
✔ Mood boards, color schemes, and theme selection
✔ Initial layout sketches and space planning
B. 3D Renders & Design Finalization (20 – 100 Hours)
✔ 2D CAD drawings and 3D visualizations
✔ Multiple design revisions based on client feedback
✔ Finalizing material selection, textures, and colors
C. Material & Furniture Selection (30 – 150 Hours)
✔ Choosing furniture, upholstery, lighting, flooring, and decor
✔ Coordinating with vendors for quotations and availability
D. Execution & Supervision (50 – 300+ Hours, if included)
✔ Overseeing carpentry, painting, electrical, and installation
✔ Site visits to ensure proper execution of design
✔ Final styling and finishing touches
3. Factors That Affect the Number of Hours
✅ Size of the Space – Larger spaces require more design and execution time.
✅ Level of Customization – Custom furniture and luxury elements increase hours.
✅ Client Revisions – More changes lead to longer work hours.
✅ Availability of Materials – Imported or custom materials may cause delays.
✅ Project Complexity – Smart home features, false ceilings, and detailed woodwork take extra time.
How to Reduce the Time Spent on an Interior Project?
✔ Define your style & budget early to minimize revisions.
✔ Pre-select materials & furniture to avoid decision delays.
✔ Work with an experienced designer for efficient execution.
✔ Use ready-made modular furniture instead of custom carpentry.
Would you like a custom estimate for your interior project timeline? 😊