4 · Model P1
One shell. Ten to twelve square metres.
Target occupancy is one person. Target shell is about 3 m in diameter and 4 m long. The planning fit-out is ₹3,62,000. Rental first.
Figures are design and financial targets, not supplier quotations. No unit of Model P1 has been built.
Bill of materials
Planning estimate. Recommended allowance before site works: ₹4,50,000–₹5,00,000.
| Item | Amount |
|---|---|
| Main shell (RCC pipe or precast) | ₹70,000 |
| Door, openings, and reinforcement | ₹30,000 |
| Floor, lining, and insulation | ₹35,000 |
| Bed, desk, and shelves | ₹20,000 |
| Bathroom fixtures and waterproofing | ₹35,000 |
| Plumbing and drainage | ₹20,000 |
| AC, fan, and exhaust | ₹35,000 |
| Mini fridge | ₹12,000 |
| Electrical | ₹15,000 |
| Water heater, sink, and microwave | ₹15,000 |
| Labour and assembly | ₹35,000 |
| Design, testing, and contingency | ₹40,000 |
| Total | ₹3,62,000 |
ROI calculator
Hourly or overnight price, occupied nights, operating cost, and a monthly or yearly view. Simple payback only.
Monthly view
- Revenue
- ₹20,000
- Operating surplus
- ₹13,500
- Simple payback
- 2.8 yrs
Simple payback is the investment divided by twelve months of operating surplus. Defaults for an overnight case are ₹1,000, 20 nights, ₹6,500 opex, and ₹4,50,000, which read ₹20,000, ₹13,500, and 2.8 yrs. This is not a quotation.