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Please note: all historical data is still on this website.
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We describe the Retail Prices Index and how it is calculated. Part of technical guidance on consumer prices indices.
How we construct private rented property and owner occupiers’ housing costs indices from private rental data. This is part of our technical guidance on consumer prices indices.
How we collect, process and validate price data from traditional sources to produce elementary aggregates. Part of technical guidance on consumer prices indices.
How we use the GEKS-Törnqvist index method with grocery scanner data. Includes comparison with other methods.
Detailed description and insight into the development of the ONS’s new Price Index of Private Rents methodology and comparison with the ONS's old Index of Private Housing Rental Prices methodology.
Quality and Methodology Information (QMI) report for the Producer Price Index, detailing the strengths and limitations of the data, methods used, and data uses and users.
Quality and methodology information (QMI) for the Services Producer Price Indices. Includes strengths and limitations, methods, and data uses and users.
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.
Quality assurance (QA) assessment of all data sources used in the production of the Consumer Price Index including owner occupiers' housing costs (CPIH), to include the used cars data acquired from the “Autotrader Group".
Explanation of how measures of consumer price inflation and associated indices are compiled.
