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Release: Consumer Price Indices, September 2011

Released: 18 October 2011 Next edition: 15 November 2011


Darren Morgan

Prices Division

Telephone: +44 (0)1633 456900

Categories: Economy, Prices, Output and Productivity, Price Indices and Inflation, Consumer Price Indices, Consumer Prices Index, Retail Prices Index

Frequency of release: Monthly

Language: English

Geographical coverage: UK

Geographical breakdown: UK and GB

  • CPI annual inflation stands at 5.2 per cent in September 2011. CPI annual inflation has never been higher but was also 5.2 per cent in September 2008.

  • RPI annual inflation stands at 5.6 per cent in September 2011, the highest it has been for over 20 years. The last time RPI annual inflation was higher was in June 1991 when it stood at 5.8 per cent.

Other useful information:

Data tables (Excel): Detailed CPI and RPI briefing tables (1.16 Mb Excel sheet)  is a multi-worksheet Excel spreadsheet, in a now printer friendly that pulls together the numerous tables that were published in the old style Consumer Price Indices Statistical Bulletin and Focus on Consumer Prices publication before the introduction of the new website on 27 August 2011. The 'Contents' page provides guidance on those data sets which are included, along with a correlation index showing old and new naming conventions and previous publication source(s), for example: RPI All items 1947 -2011 or RP02 & Table 4.1 in Focus is now the new Table 20.

View or download CPI and RPI Time series data sets (including equivalent datas sets to RP01, RP02, RP04, RP05, RP07 & RP50).

Personal inflation calculator (PIC): This interactive application allows you to enter your own spending patterns to generate a personal inflation figure. (Note - requires an SVG-enabled web browser, such as Firefox, Safari or Chrome).

This release page contains price indices, percentage changes and weights for the Consumer Prices Index (CPI), Retail Prices Index (RPI) and the components that make up these indices. Internationally, the CPI is known as the Harmonised Index of Consumer Prices (HICP).

These National Statistics are produced to high professional standards and released according to the arrangements approved by the UK Statistics Authority.

Content from the Office for National Statistics.
© Crown Copyright applies unless otherwise stated.