Construction Costs
School Construction Cost Planning: Iligan, Philippines
Iligan school cost planning using the World Bank ICP 2021 national construction price-level index of 49.3, 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/PHL/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 PH dump](https://download.geonames.org/export/dump/PH.zip) (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 1711084). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Direct answer
For early school construction cost planning in Iligan, the World Bank ICP reports a 2021 Philippines construction price-level index of 49.3, with the world equal to 100. This is a national comparison—not a Iligan PHP/m² rate or tender estimate—so replace it with current local evidence before budgeting or procurement. The observation covers construction across Philippines in 2021; it does not measure a Iligan market basket or current school tenders. GeoNames 1711084 records the locality at 8.2289, 124.2434, with snapshot population 342,618. That ranks Iligan 38 of 50 listed places, while Mantampay is the nearest listed peer at about 8 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 49.3 construction index mean?
The World Bank ICP 2021 construction PLI for Philippines is 49.3, 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 school work in Iligan costs 0.493 times a current world rate.
Which Iligan inputs are known?
The reproducible locality point is 8.2289, 124.2434 (GeoNames 1711084). Its snapshot population is 342,618, ranked 38 of 50 listed places; GeoNames classifies it as a third-order administrative seat in administrative area 10. These facts shape the local comparable search, not the price.
What must a project estimate add?
For a Iligan school project, reconcile teaching spaces, specialist rooms, safeguarding, sports provision and external works. Use a consistent gross-floor-area basis and record the following before reliance.
| Estimate field | Screening record | Project requirement |
|---|---|---|
| National context | ICP 2021 PLI 49.3 | Retain only as dated cross-country context |
| Local PHP/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 |
Iligan 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 Iligan | Snapshot population | Admin area |
|---|---|---|---|
| Mantampay | 8 | 265,032 | 10 |
| Iligan City | 17 | 312,323 | 12 |
| Cagayan de Oro | 53 | 741,617 | 10 |
| Cotabato | 112 | 383,383 | 14 |
| Budta | 116 | 1,273,715 | 14 |
| Cabanatuan City | 882 | 343,672 | 03 |
| San Pedro | 766 | 348,968 | 40 |
| Mandaue City | 236 | 331,320 | 07 |
Price-level normalization worksheet
For a validated reference rate R from a country with construction PLI P, the transparent screening calculation is R × (49.3 ÷ P). At P = 100 the dimensionless ratio is 0.493; 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 | 49.3 (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 Iligan 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: Iligan, Philippines
- House Construction Cost Planning: Iligan, Philippines
- Retail Construction Cost Planning: Iligan, Philippines
- School Construction Cost Planning: Iligan City, Philippines
- All construction costs guidance for Philippines
- Climate Design Data: Iligan, Philippines
- Sun Path: Iligan, Philippines
Sources and method
National screening observation from the World Bank ICP 2021 API and ICP data documentation; locality and population from the GeoNames PH dump (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 1711084). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Source links
Frequently asked questions
Does the 49.3 index give a school cost per m² for Iligan?
No. 49.3 is the World Bank ICP 2021 national construction price-level index for Philippines, with the world equal to 100. It is a cross-country screening statistic, not a Iligan PHP/m² rate, escalation index, quote or tender estimate.
How should a Iligan school estimate replace this screening benchmark?
Collect current Iligan comparables on a consistent gross-floor-area basis, reconcile teaching spaces, specialist rooms, safeguarding, sports provision and external works, 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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