Construction Costs
House Construction Cost Planning: Thāne, India
Thāne house cost planning using the World Bank ICP 2021 national construction price-level index of 37.7, plus a GeoNames-based local comparable-search shortlist.
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Last updated September 15, 2026 · National screening observation from the [World Bank ICP 2021 API](https://api.worldbank.org/v2/sources/90/country/IND/classification/PX.WL/series/1501200/time/YR2021/data?format=json) and [ICP data documentation](https://www.worldbank.org/en/programs/icp/data); locality and population from the [GeoNames IN dump](https://download.geonames.org/export/dump/IN.zip) (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 1254661). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Direct answer
For early house construction cost planning in Thāne, the World Bank ICP reports a 2021 India construction price-level index of 37.7, with the world equal to 100. This is a national comparison—not a Thāne INR/m² rate or tender estimate—so replace it with current local evidence before budgeting or procurement. The observation covers construction across India in 2021; it does not measure a Thāne market basket or current house tenders. GeoNames 1254661 records the locality at 19.1970, 72.9635, with snapshot population 1,841,488. That ranks Thāne 17 of 50 listed places, while Dombivali is the nearest listed peer at about 13 km. Use these facts only to plan the comparable search. Obtain current local rates on a consistent area basis, then reconcile scope, taxes, fees, contingency and escalation. Retain the source, base date and reviewer when local evidence replaces the screening ratio.
Content and cited inputs reviewed by Scott Barrington, Harth founder and architectural technology specialist · Published 2026-08-26 · Updated 2026-09-15.
What does the 37.7 construction index mean?
The World Bank ICP 2021 construction PLI for India is 37.7, compared with a world benchmark of 100. It is a national spatial price comparison assembled for the 2021 reference year. It does not say that house work in Thāne costs 0.377 times a current world rate.
Which Thāne inputs are known?
The reproducible locality point is 19.1970, 72.9635 (GeoNames 1254661). Its snapshot population is 1,841,488, ranked 17 of 50 listed places; GeoNames classifies it as a populated place in administrative area 16. These facts shape the local comparable search, not the price.
What must a project estimate add?
For a Thāne house project, reconcile dwelling size, structural system, envelope specification, kitchens and bathrooms. Use a consistent gross-floor-area basis and record the following before reliance.
| Estimate field | Screening record | Project requirement |
|---|---|---|
| National context | ICP 2021 PLI 37.7 | Retain only as dated cross-country context |
| Local INR/m² rate | Not supplied | Current comparable with named source and base date |
| Area and scope | Gross floor area; scope unresolved | Measurement standard, specification and procurement route |
| Additions | Not supplied | Taxes, fees, site work, contingency and escalation |
| Review | Automated source and arithmetic QA | Qualified local cost review |
Thāne comparable-location search screen
This shortlist is computed from the checked GeoNames snapshot. Distance and population help prioritize where to request comparables; neither is used as a cost multiplier.
| Listed place | Great-circle km from Thāne | Snapshot population | Admin area |
|---|---|---|---|
| Dombivali | 13 | 1,247,327 | 16 |
| Mumbai | 16 | 12,691,836 | 16 |
| Navi Mumbai | 19 | 2,600,000 | 16 |
| Kalyān | 19 | 1,262,255 | 16 |
| Virār | 33 | 1,222,390 | 16 |
| Vadodara | 346 | 1,822,221 | 09 |
| Bhopal | 644 | 1,798,218 | 35 |
| Rasapūdipalem | 1,104 | 1,728,128 | 02 |
Price-level normalization worksheet
For a validated reference rate R from a country with construction PLI P, the transparent screening calculation is R × (37.7 ÷ P). At P = 100 the dimensionless ratio is 0.377; no world cost rate is asserted. Keep the reference rate's currency, base date, area basis and scope attached.
| Input | Recorded value | Release condition |
|---|---|---|
| Target national PLI | 37.7 (World = 100, 2021) | Screening context only |
| Reference construction PLI P | User-supplied from the same ICP classification/year | Must match reference rate country |
| Validated reference rate R | User-supplied | Named source, currency, date, area and scope |
| Local Thāne adjustment | Not asserted | Replace with current local comparable evidence |
| Result status | Screening normalization | Not a budget, quote or tender estimate |
Where can you explore related guidance?
- Explore all construction costs guidance
- Office Construction Cost Planning: Thāne, India
- School Construction Cost Planning: Thāne, India
- Retail Construction Cost Planning: Thāne, India
- House Construction Cost Planning: Dombivali, India
- All construction costs guidance for India
- Climate Design Data: Thāne, India
- Daylight & Orientation: Thāne, India
- Solar Altitude & Azimuth: Thāne, India
- Solar Shading Design: Thāne, India
Sources and method
National screening observation from the World Bank ICP 2021 API and ICP data documentation; locality and population from the GeoNames IN dump (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 1254661). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Source links
Frequently asked questions
Does the 37.7 index give a house cost per m² for Thāne?
No. 37.7 is the World Bank ICP 2021 national construction price-level index for India, with the world equal to 100. It is a cross-country screening statistic, not a Thāne INR/m² rate, escalation index, quote or tender estimate.
How should a Thāne house estimate replace this screening benchmark?
Collect current Thāne comparables on a consistent gross-floor-area basis, reconcile dwelling size, structural system, envelope specification, kitchens and bathrooms, and state base date, currency, taxes, fees, site work, contingency and escalation. A qualified local cost professional should review the resulting project estimate.
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