# Retail Construction Cost Planning: Wong Tai Sin, Hong Kong SAR, China > Wong Tai Sin retail cost planning using the World Bank ICP 2021 national construction price-level index of 141.8, plus a GeoNames-based local comparable-search shortlist. - Canonical: https://harth.build/resources/construction-costs/retail-construction-cost-wong-tai-sin-hk/ - Last updated: 2026-09-15 - Data source: National screening observation from the [World Bank ICP 2021 API](https://api.worldbank.org/v2/sources/90/country/HKG/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 HK dump](https://download.geonames.org/export/dump/HK.zip) (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 1818304). The PLI is not a city cost/m² rate, current escalation series or tender estimate. ## Key facts | Fact | Value | | --- | --- | | National construction PLI | 141.8 (World Bank ICP 2021; World = 100) | | Screening ratio to world | 1.418 (dimensionless PLI ÷ 100; not a city location factor) | | Locality reference | 22.3500, 114.1833 (GeoNames ID 1818304) | | Snapshot population | 425,235 (9 of 50 listed Hong Kong SAR, China places) | | Nearest listed peer | Tsz Wan Shan · 2 km (great-circle distance between GeoNames reference points) | | Estimate currency | HKD (obtain a current local rate and named base date) | ## Direct answer For early retail construction cost planning in Wong Tai Sin, the World Bank ICP reports a 2021 Hong Kong SAR, China construction price-level index of 141.8, with the world equal to 100. This is a national comparison—not a Wong Tai Sin HKD/m² rate or tender estimate—so replace it with current local evidence before budgeting or procurement. The observation covers construction across Hong Kong SAR, China in 2021; it does not measure a Wong Tai Sin market basket or current retail tenders. GeoNames 1818304 records the locality at 22.3500, 114.1833, with snapshot population 425,235. That ranks Wong Tai Sin 9 of 50 listed places, while Tsz Wan Shan is the nearest listed peer at about 2 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](https://nz.linkedin.com/in/barrington), Harth founder and architectural technology specialist · Published 2026-08-26 · Updated 2026-09-15.* ## What does the 141.8 construction index mean? The World Bank ICP 2021 construction PLI for **Hong Kong SAR, China is 141.8**, 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 retail work in Wong Tai Sin costs 1.418 times a current world rate. ## Which Wong Tai Sin inputs are known? The reproducible locality point is **22.3500, 114.1833** (GeoNames 1818304). Its snapshot population is **425,235**, ranked 9 of 50 listed places; GeoNames classifies it as a first-order administrative seat in administrative area KWT. These facts shape the local comparable search, not the price. ## What must a project estimate add? For a Wong Tai Sin retail project, reconcile shell condition, tenant fit-out, servicing, trading constraints and landlord 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 141.8 | Retain only as dated cross-country context | | Local HKD/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 | ## Wong Tai Sin 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 Wong Tai Sin | Snapshot population | Admin area | | --- | ---: | ---: | --- | | Tsz Wan Shan | 2 | 37,242 | KWT | | Kowloon City Centre | 2 | 194,290 | KKC | | Kowloon City | 2 | 418,732 | KKC | | Kowloon West End | 2 | 74,710 | KKC | | Kai Tak | 3 | 42,552 | KKC | | Sham Shui Po | 3 | 431,090 | KSS | | Tseung Kwan O | 7 | 412,900 | NSK | | Sha Tin | 4 | 495,200 | NST | ## Price-level normalization worksheet For a validated reference rate **R** from a country with construction PLI **P**, the transparent screening calculation is **R × (141.8 ÷ P)**. At P = 100 the dimensionless ratio is 1.418; 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 | 141.8 (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 Wong Tai Sin 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](https://harth.build/resources/construction-costs.md) - [Office Construction Cost Planning: Wong Tai Sin, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-wong-tai-sin-hk.md) - [House Construction Cost Planning: Wong Tai Sin, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-wong-tai-sin-hk.md) - 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[Retail Construction Cost Planning: Kai Tak, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-kai-tak-hk.md) - [Office Construction Cost Planning: Jordan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-jordan-hk.md) - [House Construction Cost Planning: Jordan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-jordan-hk.md) - [School Construction Cost Planning: Jordan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-jordan-hk.md) - [Retail Construction Cost Planning: Jordan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-jordan-hk.md) - [Office Construction Cost Planning: Pat Heung, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-pat-heung-hk.md) - [House Construction Cost Planning: Pat Heung, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-pat-heung-hk.md) - [School Construction Cost Planning: Pat Heung, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-pat-heung-hk.md) - [Retail Construction Cost Planning: Pat Heung, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-pat-heung-hk.md) - [Office Construction Cost Planning: Whampoa, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-whampoa-hk.md) - [House Construction Cost Planning: Whampoa, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-whampoa-hk.md) - [School Construction Cost Planning: Whampoa, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-whampoa-hk.md) - [Retail Construction Cost Planning: Whampoa, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-whampoa-hk.md) - [Office Construction Cost Planning: Choi Wan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-choi-wan-hk.md) - [House Construction Cost Planning: Choi Wan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-choi-wan-hk.md) - [School Construction Cost Planning: Choi Wan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-choi-wan-hk.md) - [Retail Construction Cost Planning: Choi Wan, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-choi-wan-hk.md) - [Office Construction Cost Planning: Kennedy Town, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-kennedy-town-hk.md) - [House Construction Cost Planning: Kennedy Town, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-kennedy-town-hk.md) - [School Construction Cost Planning: Kennedy Town, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-kennedy-town-hk.md) - [Retail Construction Cost Planning: Kennedy Town, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-kennedy-town-hk.md) - [Office Construction Cost Planning: Mei Foo Sun Chuen, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-mei-foo-sun-chuen-hk.md) - [House Construction Cost Planning: Mei Foo Sun Chuen, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-mei-foo-sun-chuen-hk.md) - [School Construction Cost Planning: Mei Foo Sun Chuen, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-mei-foo-sun-chuen-hk.md) - [Retail Construction Cost Planning: Mei Foo Sun Chuen, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-mei-foo-sun-chuen-hk.md) - [Office Construction Cost Planning: Hong Kong, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-hong-kong-hk.md) - [House Construction Cost Planning: Hong Kong, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-hong-kong-hk.md) - [School Construction Cost Planning: Hong Kong, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-hong-kong-hk.md) - [Retail Construction Cost Planning: Hong Kong, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-hong-kong-hk.md) - [Office Construction Cost Planning: New Territories, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-new-territories-hk.md) - [House Construction Cost Planning: New Territories, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-new-territories-hk.md) - [School Construction Cost Planning: New Territories, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-new-territories-hk.md) - [Retail Construction Cost Planning: New Territories, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-new-territories-hk.md) - [Office Construction Cost Planning: Kowloon, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-kowloon-hk.md) - [House Construction Cost Planning: Kowloon, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-kowloon-hk.md) - [School Construction Cost Planning: Kowloon, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-kowloon-hk.md) - [Retail Construction Cost Planning: Kowloon, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-kowloon-hk.md) - [Office Construction Cost Planning: Hong Kong Island, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-hong-kong-island-hk.md) - [House Construction Cost Planning: Hong Kong Island, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-hong-kong-island-hk.md) - [School Construction Cost Planning: Hong Kong Island, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-hong-kong-island-hk.md) - [Retail Construction Cost Planning: Hong Kong Island, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-hong-kong-island-hk.md) - [Office Construction Cost Planning: Victoria, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-victoria-hk.md) - [House Construction Cost Planning: Victoria, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-victoria-hk.md) - [School Construction Cost Planning: Victoria, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-victoria-hk.md) - [Retail Construction Cost Planning: Victoria, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-victoria-hk.md) - [Office Construction Cost Planning: Tuen Mun, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-tuen-mun-hk.md) - [House Construction Cost Planning: Tuen Mun, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-tuen-mun-hk.md) - [School Construction Cost Planning: Tuen Mun, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-tuen-mun-hk.md) - [Retail Construction Cost Planning: Tuen Mun, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-tuen-mun-hk.md) - [Office Construction Cost Planning: Sha Tin, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-sha-tin-hk.md) - [House Construction Cost Planning: Sha Tin, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-sha-tin-hk.md) - [School Construction Cost Planning: Sha Tin, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-sha-tin-hk.md) - [Retail Construction Cost Planning: Sha Tin, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-sha-tin-hk.md) - [Office Construction Cost Planning: Sham Shui Po, Hong Kong SAR, China](https://harth.build/resources/construction-costs/office-construction-cost-sham-shui-po-hk.md) - [House Construction Cost Planning: Sham Shui Po, Hong Kong SAR, China](https://harth.build/resources/construction-costs/house-construction-cost-sham-shui-po-hk.md) - [School Construction Cost Planning: Sham Shui Po, Hong Kong SAR, China](https://harth.build/resources/construction-costs/school-construction-cost-sham-shui-po-hk.md) - [Retail Construction Cost Planning: Sham Shui Po, Hong Kong SAR, China](https://harth.build/resources/construction-costs/retail-construction-cost-sham-shui-po-hk.md) - [All construction costs guidance for Hong Kong](https://harth.build/resources/construction-costs/hong-kong.md) - [Daylight & Orientation: Wong Tai Sin, Hong Kong](https://harth.build/resources/solar-data/daylight-orientation-wong-tai-sin-hk.md) - [Solar Altitude & Azimuth: Wong Tai Sin, Hong Kong](https://harth.build/resources/solar-data/solar-altitude-azimuth-wong-tai-sin-hk.md) - [Solar Shading Design: Wong Tai Sin, Hong Kong](https://harth.build/resources/solar-data/solar-shading-design-wong-tai-sin-hk.md) - [Sun Path: Wong Tai Sin, Hong Kong](https://harth.build/resources/solar-data/sun-path-wong-tai-sin-hk.md) ## Sources and method National screening observation from the [World Bank ICP 2021 API](https://api.worldbank.org/v2/sources/90/country/HKG/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 HK dump](https://download.geonames.org/export/dump/HK.zip) (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 1818304). The PLI is not a city cost/m² rate, current escalation series or tender estimate. ### Source links - [api.worldbank.org](https://api.worldbank.org/v2/sources/90/country/HKG/classification/PX.WL/series/1501200/time/YR2021/data?format=json) - [worldbank.org](https://www.worldbank.org/en/programs/icp/data) - [download.geonames.org](https://download.geonames.org/export/dump/HK.zip) ## Frequently asked questions ### Does the 141.8 index give a retail cost per m² for Wong Tai Sin? No. 141.8 is the World Bank ICP 2021 national construction price-level index for Hong Kong SAR, China, with the world equal to 100. It is a cross-country screening statistic, not a Wong Tai Sin HKD/m² rate, escalation index, quote or tender estimate. ### How should a Wong Tai Sin retail estimate replace this screening benchmark? Collect current Wong Tai Sin comparables on a consistent gross-floor-area basis, reconcile shell condition, tenant fit-out, servicing, trading constraints and landlord works, and state base date, currency, taxes, fees, site work, contingency and escalation. A qualified local cost professional should review the resulting project estimate. --- - Continue in Harth (open this topic in the Harth agent): https://app.harth.build/agent?context=%2Fresources%2Fconstruction-costs%2Fretail-construction-cost-wong-tai-sin-hk%2F - View this page in a browser: https://harth.build/resources/construction-costs/retail-construction-cost-wong-tai-sin-hk/ - All resources for agents: https://harth.build/llms.txt