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Indicative impacts of including grocery scanner data in UK consumer price statistics

Released on: 23 January 2025 | Dataset

Data tables containing indicative research consumer price inflation (CPI) estimates at consumption segment level from using alternative grocery scanner data.

Research into the use of scanner data for constructing UK consumer price statistics

Released on: 6 April 2021 | Article

Transformation of UK consumer price statistics, groceries scanner data analysis: April 2025

Released on: 29 April 2025 | Article

Overview of how we use scanner data in consumer price inflation statistics: January 2026

Released on: 28 January 2026 | Article

Consumer price inflation consumption segment indices and price quotes

Released on: 17 June 2026 | Dataset

This dataset provides researchers with access to the detailed underlying data used in the production of consumer prices indices. The figures are provided for research purposes only, are not accredited official statistics, and users should exercise caution when drawing conclusions from their use. From March 2026, the existing price quote data will be updated to exclude individual price quote information for COICOP Divisions 1 and 2. This change reflects that we are no longer able to release individual price quotes where scanner data have been integrated with locally collected data. There will be no changes to the availability of data in the monthly consumption segment indices dataset. In addition, new regional consumption segment indices, weights, and counts of manually collected indicator marker codes (such as sales and recoveries) are being published. Additional outputs are also planned for release from summer 2026 and further details can be found in the Related links section of this page. These changes aim to provide data continuity whilst maintaining confidentiality across our microdata release.

Scanners used in the 2011 Census

Released on: 16 February 2015 | Corporate Information

Introducing grocery scanner data into consumer price statistics

Released on: 29 April 2025 | Methodology

From 2026, we intend to introduce grocery scanner data into our consumer price statistics. This methodology article gives an overview of the data and methods we will use.

Outlier detection for grocery scanner data in consumer price statistics

Released on: 1 December 2023 | Methodology

We are applying data cleaning techniques to grocery scanner data to remove out-of-scope observations and errors when calculating our consumer price indices. Our strategy also identifies dump prices and their effects on the grocery indices.

How multilateral index methods help us understand grocery scanner data

Released on: 28 January 2026 | Methodology

How we use the GEKS-Törnqvist index method with grocery scanner data. Includes comparison with other methods.

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