Construction Costs
Office Construction Cost Planning: Kisii, Kenya
Kisii office cost planning using the World Bank ICP 2021 national construction price-level index of 64.9, 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/KEN/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 KE dump](https://download.geonames.org/export/dump/KE.zip) (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 191299). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Direct answer
For early office construction cost planning in Kisii, the World Bank ICP reports a 2021 Kenya construction price-level index of 64.9, with the world equal to 100. This is a national comparison—not a Kisii KES/m² rate or tender estimate—so replace it with current local evidence before budgeting or procurement. The observation covers construction across Kenya in 2021; it does not measure a Kisii market basket or current office tenders. GeoNames 191299 records the locality at -0.6817, 34.7667, with snapshot population 112,417. That ranks Kisii 27 of 50 listed places, while Migori is the nearest listed peer at about 54 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 64.9 construction index mean?
The World Bank ICP 2021 construction PLI for Kenya is 64.9, 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 office work in Kisii costs 0.649 times a current world rate.
Which Kisii inputs are known?
The reproducible locality point is -0.6817, 34.7667 (GeoNames 191299). Its snapshot population is 112,417, ranked 27 of 50 listed places; GeoNames classifies it as a first-order administrative seat in administrative area 25. These facts shape the local comparable search, not the price.
What must a project estimate add?
For a Kisii office project, reconcile workplace fit-out grade, services density, floorplate efficiency and vertical transport. Use a consistent gross-floor-area basis and record the following before reliance.
| Estimate field | Screening record | Project requirement |
|---|---|---|
| National context | ICP 2021 PLI 64.9 | Retain only as dated cross-country context |
| Local KES/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 |
Kisii 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 Kisii | Snapshot population | Admin area |
|---|---|---|---|
| Migori | 54 | 71,668 | 36 |
| Kisumu | 64 | 397,957 | 26 |
| Mbale | 85 | 60,000 | 53 |
| Khwisero | 97 | 113,294 | 20 |
| Kakamega | 107 | 1,867,579 | 20 |
| Mandera | 940 | 114,718 | 33 |
| Malindi | 658 | 119,859 | 23 |
| Ngong | 224 | 102,323 | 19 |
Price-level normalization worksheet
For a validated reference rate R from a country with construction PLI P, the transparent screening calculation is R × (64.9 ÷ P). At P = 100 the dimensionless ratio is 0.649; 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 | 64.9 (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 Kisii 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
- House Construction Cost Planning: Kisii, Kenya
- School Construction Cost Planning: Kisii, Kenya
- Retail Construction Cost Planning: Kisii, Kenya
- Office Construction Cost Planning: Migori, Kenya
- All construction costs guidance for Kenya
- Climate Design Data: Kisii, Kenya
- Daylight & Orientation: Kisii, Kenya
- Solar Altitude & Azimuth: Kisii, Kenya
- Solar Shading Design: Kisii, Kenya
Sources and method
National screening observation from the World Bank ICP 2021 API and ICP data documentation; locality and population from the GeoNames KE dump (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 191299). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Source links
Frequently asked questions
Does the 64.9 index give a office cost per m² for Kisii?
No. 64.9 is the World Bank ICP 2021 national construction price-level index for Kenya, with the world equal to 100. It is a cross-country screening statistic, not a Kisii KES/m² rate, escalation index, quote or tender estimate.
How should a Kisii office estimate replace this screening benchmark?
Collect current Kisii comparables on a consistent gross-floor-area basis, reconcile workplace fit-out grade, services density, floorplate efficiency and vertical transport, 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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