Construction Costs
Office Construction Cost Planning: Barking, United Kingdom
Barking office cost planning using the World Bank ICP 2021 national construction price-level index of 155.3, 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/GBR/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 GB dump](https://download.geonames.org/export/dump/GB.zip) (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 2656333). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Direct answer
For early office construction cost planning in Barking, the World Bank ICP reports a 2021 United Kingdom construction price-level index of 155.3, with the world equal to 100. This is a national comparison—not a Barking GBP/m² rate or tender estimate—so replace it with current local evidence before budgeting or procurement. The observation covers construction across United Kingdom in 2021; it does not measure a Barking market basket or current office tenders. GeoNames 2656333 records the locality at 51.5333, 0.0833, with snapshot population 218,534. That ranks Barking 37 of 50 listed places, while Bexley is the nearest listed peer at about 11 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 155.3 construction index mean?
The World Bank ICP 2021 construction PLI for United Kingdom is 155.3, 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 office work in Barking costs 1.553 times a current world rate.
Which Barking inputs are known?
The reproducible locality point is 51.5333, 0.0833 (GeoNames 2656333). Its snapshot population is 218,534, ranked 37 of 50 listed places; GeoNames classifies it as a populated place in administrative area ENG. These facts shape the local comparable search, not the price.
What must a project estimate add?
For a Barking 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 155.3 | Retain only as dated cross-country context |
| Local GBP/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 |
Barking 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 Barking | Snapshot population | Admin area |
|---|---|---|---|
| Bexley | 11 | 228,000 | ENG |
| Islington | 13 | 319,143 | ENG |
| London | 15 | 8,961,989 | ENG |
| Archway | 16 | 215,667 | ENG |
| City of Westminster | 16 | 247,614 | ENG |
| Luton | 52 | 225,262 | ENG |
| Portsmouth | 116 | 208,100 | ENG |
Price-level normalization worksheet
For a validated reference rate R from a country with construction PLI P, the transparent screening calculation is R × (155.3 ÷ P). At P = 100 the dimensionless ratio is 1.553; 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 | 155.3 (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 Barking 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: Barking, United Kingdom
- School Construction Cost Planning: Barking, United Kingdom
- Retail Construction Cost Planning: Barking, United Kingdom
- Office Construction Cost Planning: Bexley, United Kingdom
- All construction costs guidance for United Kingdom
- Sun Path: Barking, UK
Sources and method
National screening observation from the World Bank ICP 2021 API and ICP data documentation; locality and population from the GeoNames GB dump (CC BY 4.0 snapshot 2026-08-26, GeoNames ID 2656333). The PLI is not a city cost/m² rate, current escalation series or tender estimate.
Source links
Frequently asked questions
Does the 155.3 index give a office cost per m² for Barking?
No. 155.3 is the World Bank ICP 2021 national construction price-level index for United Kingdom, with the world equal to 100. It is a cross-country screening statistic, not a Barking GBP/m² rate, escalation index, quote or tender estimate.
How should a Barking office estimate replace this screening benchmark?
Collect current Barking 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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