UK CPI basket weight: all items
UK CPI basket weight: all items stood at 1,000 parts per 1000 in 2026, according to Office for National Statistics (ONS). It is one of the indicators in the Consumer price index weights table (Value · Annual), with a complete series running from 1988 to 2026. The complete series with an interactive chart, free to download.
This indicator in the Consumer price index weights table
| Indicator | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CPI basket, all items | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | |
| CPIH basket, all items | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | |
| RPI basket, all items | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 |
Understanding UK CPI basket weight: all items
This series tracks the aggregate scaling factor for the entire consumer price index basket across the United Kingdom, fixed at an exact sum of one thousand parts to form the benchmark denominator. It encapsulates every tracked household expenditure category, serving as the master reference against which individual division shares are calibrated annually. Unlike the housing-inclusive variant or legacy retail measures, this baseline specifically excludes owner occupiers' housing costs and council tax, concentrating entirely on standard monetary transactions recorded in household budgets.
Interpreting shifts in this grand total requires recognising that the underlying components are rescaled every year to reflect evolving spending habits gathered from the living costs and food survey. Comparisons across longer horizons must account for methodological changes in classification systems rather than genuine shifts in the total sum, which remains mathematically anchored at the thousand-part ceiling. Analysts evaluating inflation contributions should note that this aggregate directly determines how heavily individual price movements influence the headline rate across the United Kingdom.
Frequently asked questions
- Why does the total always equal one thousand parts?
- The basket is standardised to a total of one thousand parts to allow proportional shares of household spending to be expressed uniformly.
- Does this series include owner occupiers' housing costs?
- No, housing costs associated with homeownership are omitted from this standard consumer price index measure.
- How often are the underlying proportions recalculated?
- The component shares within the total are updated annually using data from household expenditure surveys across the United Kingdom.