Illustrative example — not a real site.

Every figure on this page is invented for demonstration and produced by the same deterministic engine from the stated assumptions. It is not a valuation, not a real transaction, and not advice. Your own analysis uses only your own inputs.

Sample decision report · version 1

Illustrative 2.4-acre residential site, peri-urban corridor

Should we buy this site at the ₹24 crore asking price, restructure it as an area-share JV, or walk away?

Verdict
Rework commercial terms
engine devpartner-engine@1.3.0
GDV
₹132.96 Cr
Total cost
₹109.98 Cr
Profit
₹22.98 Cr
Margin on revenue
17.3%

Decision criteria

CriterionThresholdResultStatus
Margin on revenue>= 20%17.3%
not met
Return on cost>= 20%20.9%
met
Project IRR>= 18%25.4%
met
Equity IRR>= 22%39.7%
met
NPV at 15.0% discount rate>= 082437096.9
met

Cost build-up

LineAmountBasis
Land consideration₹24.00 Crland cost × scenario multiplier
Transaction costs (stamp duty, registration)₹1.92 Crland × transaction%
Construction₹60.19 Crrate/sqft × built-up area
Approvals & statutory₹3.31 Crentered amount
Professional fees₹4.21 Crhard cost × professional%
Marketing & selling₹3.99 CrGDV × marketing%
Contingency₹3.59 Cr(hard + soft) × contingency%
Total cost₹101.21 Cr

Sensitivity — profit margin %

Sales rate across the top, construction cost down the side. Values are profit on cost.

Cost \ Rate₹5,940₹6,270₹6,600₹6,930₹7,260
₹2,695/sq ft0.2%6.1%10.9%15.7%20.0%
₹2,573/sq ft3.9%9.0%14.1%18.7%22.8%
₹2,450/sq ft6.9%12.3%17.3%21.7%25.6%
₹2,328/sq ft10.3%15.7%20.4%24.6%28.4%
₹2,205/sq ft13.9%19.0%23.5%27.5%31.0%

Assumptions and sources

Site extentStated by user
2.40 acres
Permissible FSIStated planning assumption
2.35
Constructed built-up areaCalculated: net developable × FSI, plus non-FSI
2,45,678 sq ft
RERA carpet areaCalculated from stated efficiency
1,65,128 sq ft
Quoted saleable areaCalculated: carpet + 22.0% disclosed commercial loading
2,01,456 sq ft
Pricing area basisStated by user
quoted saleable area
Achieved sales rateUser comparables set
₹6,600 /sq ft
Construction rateStated by user
₹2,450 /sq ft
Debt rateStated finance assumption
13.5% p.a.
Land consideration (asking price)Stated by user
₹24,00,00,000
Alternative — area share to landownerLandowner proposal
32.0%
Target margin on revenueHouse decision criterion
20.0%

Run this on your own site

Your workspace produces the same structure from your own assumptions, with a full calculation trace and an immutable report version for each run.