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Statistical bulletin: Consumer Price Indices, November 2012 This product is designated as National Statistics

Released: 18 December 2012 Download PDF

Key points

  • The Consumer Prices Index (CPI) annual inflation stands at 2.7 per cent in November 2012, unchanged from October. Although unchanged overall, at a more detailed level there were significant upward and downward pressures on CPI annual inflation between October and November.
  • The largest upward pressures to annual inflation came from food & non-alcoholic beverages (principally bread & cereals and vegetables) and housing & household services (particularly domestic gas and electricity).
  • The largest downward pressures came from motor fuels and furniture, household equipment & maintenance.
  • The CPI stands at 124.4 in November 2012 based on 2005 = 100.
  • The Retail Prices Index (RPI) annual inflation stands at 3.0 per cent in November 2012, down from 3.2 per cent in October.
  • The largest downward pressures behind the change in the RPI rate came from motoring expenditure, housing and household goods. These were partially offset by an upward pressure from food.
  • The RPI stands at 245.6 in November 2012 based on January 1987 = 100.

A brief description of Consumer Price Indices

Consumer price indices measure the change in the general level of prices charged for goods and services bought for the purpose of household consumption in the UK. A convenient way to understand the nature of these indices is to envisage a very large shopping basket comprising all the different goods and services typically bought by households. As the prices of individual items in this basket vary, the total cost of the basket will also vary. The CPI and RPI measure changes in this total cost.

Consumer Prices Index (CPI)

The CPI is the main UK domestic measure of consumer price inflation for macroeconomic purposes. It forms the basis for the Government’s target for inflation that the Bank of England’s Monetary Policy Committee (MPC) is required to achieve. Since April 2011 the CPI has also been used for the indexation of benefits, tax credits and public service pensions although in his Autumn Statement, the Chancellor of the Exchequer announced his intention that some benefits will be capped at 1 per cent for the next three years.

This section shows the 1-month and 12-month percentage change (the amount by which the figures have increased or decreased compared with a month ago and a year ago respectively). Figure A shows the 12-month percentage change for the CPI. Table A shows the CPI index values plus the 1-month and 12-month percentage changes.

The CPI rose by 0.2 per cent between October and November this year compared with a rise of 0.2 per cent a year ago. These 1-month changes are within the normal range for an October to November movement. Between 1996 and 2010, the 1-month change between October and November has varied between a fall of 0.2 per cent and a rise of 0.4 per cent.

The CPI rose by 2.7 per cent between November 2011 and November 2012. This is unchanged from the 12-month rate between October 2011 and October 2012.

Figure A: CPI 12-month percentage change

United Kingdom

This chart shows the percentage changes over 12 months from November 2008 to November 2012
Source: Office for National Statistics

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Table A: CPI 1-month and 12-month percentage change

United Kingdom

 
    Index1 (UK, 2005 = 100) Percentage change over 1 month Percentage change over 12 months
2011 Nov 121.2 0.2 4.8
Dec 121.7 0.4 4.2
2012 Jan 121.1 -0.5 3.6
Feb 121.8 0.6 3.4
Mar 122.2 0.3 3.5
Apr 122.9 0.6 3.0
May 122.8 -0.1 2.8
Jun 122.3 -0.4 2.4
Jul 122.5 0.1 2.6
Aug 123.1 0.5 2.5
Sep 123.5 0.4 2.2
Oct 124.2 0.5 2.7
Nov 124.4 0.2 2.7

Table source: Office for National Statistics

Table notes:

  1. All items Consumer Prices Index

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Consumer Prices Index (CPI): Briefing on the monthly movement between October and November 2012

This section explains the change in the CPI between the latest two months. Table B shows the 1-month percentage change for each of the CPI divisions. Figure B shows the contribution of each division to the overall 1-month change.

The CPI rose by 0.2 per cent between October and November this year. The largest upward contributions to the 1-month change came from:

food & non-alcoholic beverages: prices, overall, rose by 1.1 per cent between October and November this year, contributing 0.12 percentage points to the total CPI 1-month change. Fruit and, to a lesser extent, bread & cereals were the main contributors.

housing & household services: prices, overall, rose by 0.6 per cent between October and November, contributing 0.09 percentage points to the total CPI 1-month change. The upward pressure came from gas and electricity.

restaurants & hotels: here, the largest upward effect came from catering services.

By far the most significant downward contribution to the 1-month change between October and November came from:

transport: prices, overall, fell by 1.0 per cent between October and November, contributing -0.16 percentage points to the total CPI. Most of the downward pressure came from motor fuels and air transport. Petrol prices fell by 3.0 pence per litre on the month to stand at £1.35 per litre while diesel prices fell by 1.5 pence per litre to reach £1.42 per litre. As usual, air fares fell between October and November, by 8.3 per cent this year.

Table B: CPI 1-month percentage change to November 2012

United Kingdom

Percentage change
Food & non-alcoholic beverages 1.1
Alcohol & tobacco -0.5
Clothing & footwear                         0.6
Housing & household services 0.6
Furniture & household goods -0.1
Health 0.0
Transport -1.0
Communication -0.2
Recreation & culture 0.0
Education 0.0
Restaurants & hotels 0.5
Miscellaneous goods & services 0.4
CPI All Items 0.2

Table source: Office for National Statistics

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Figure B: Contributions to the CPI 1-month percentage change (in total 0.2 per cent): November 2012

United Kingdom

This chart shows the contributions that attribute to the one month change.
Source: Office for National Statistics

Notes:

  1. Individual contributions may not sum to the total due to rounding

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Consumer Prices Index (CPI): Briefing on the change to the 12-month rate between October and November 2012

This section explains how the CPI 12-month rate (this month’s CPI compared with the CPI for the same month a year ago) has changed between the latest two months. Figure C shows the contribution of each CPI division to the overall change in the 12-month rate.

The change in the CPI 12-month rate is calculated by comparing the price changes between the latest two months and the same two months a year ago. This year the CPI rose by 0.2 per cent between October and November compared with a rise of 0.2 per cent between the same two months a year ago. The 1-month movement was therefore no different this year and this led to the CPI 12-month rate remaining at 2.7 per cent in November 2012.

The most significant upward contributions to change in the CPI 12-month rate between October and November 2012 came from:

food & non-alcoholic beverages: prices, overall, rose by 1.1 per cent between October and November this year, compared with a rise of 0.6 per cent between the same two months a year ago. This contributed 0.06 percentage points to the change in the CPI 12-month rate. The main upward pressures came from bread & cereals, vegetables (particularly potatoes where there have been reports of low yields as a result of the poor weather in recent months) and, to a lesser extent, confectionery. With the last of these, a number of confectionery products have reduced in size. This is treated as a price increase in the CPI and RPI as consumers get less for their money.

housing & household services: prices, overall, rose by 0.6 per cent between October and November this year compared with a rise of 0.4 per cent a year ago. This contributed 0.05 percentage points to the change in the CPI 12-month rate. The majority of the upward pressure came from domestic gas and electricity, with prices rising by more than a year ago. These effects were partially offset by a small downward contribution from liquid fuels where prices, overall, fell by 2.3 per cent this year but rose by 6.3 per cent a year ago reflecting movements in oil prices.

restaurants & hotels: prices, overall, rose by more between October and November this year than they did a year ago resulting in an upward contribution of 0.04 percentage points to the change in the CPI 12-month rate. The main upward effect came from accommodation services.

miscellaneous goods & services: the most significant upward pressure came from appliances & products for personal care such as deodorant and tissues.

The most significant downward contributions to change in the CPI 12-month rate between October and November 2012 came from:

transport: prices, overall, fell by 1.0 per cent between October and November this year compared with a fall of 0.6 per cent a year ago, resulting in a downward contribution of 0.08 percentage points to the change in the CPI 12-month rate. The downward effect came almost entirely from motor fuels. Petrol prices fell by 3.0 pence per litre between October and November this year compared with a fall of 1.0 pence per litre a year ago. Diesel prices fell by 1.5 pence per litre this year compared with a rise of 0.9 pence per litre a year ago.

furniture, household equipment & maintenance: prices, overall, fell by 0.1 per cent between October and November this year compared with a rise of 1.0 per cent between the same two months a year ago. This contributed -0.07 percentage points to the change in the CPI 12-month rate. The movement this year is the only fall between an October and November on record. The largest downward pressure came from furniture, furnishings & carpets (particularly from lounge furniture and tufted carpets) where prices, overall, fell by 0.8 per cent on the month compared with a 1.0 per cent rise a year ago.

Figure C: Contributions to the change in the CPI 12-month rate: November 2012

United Kingdom

This chart shows the contributions to the 12 month rate.
Source: Office for National Statistics

Notes:

  1. Individual contributions may not sum to the total due to rounding

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Consumer Prices Index (CPI): Briefing on the 12-month rate to November 2012

This section explains how the CPI this month has changed compared with the same month a year ago. Table C shows the 12-month percentage change for each of the CPI divisions.  Figure D shows the contribution of each division to the overall 12-month rate.

The most significant upward contributions to the CPI 12-month rate to November 2012 came from:

food & non-alcoholic beverages: which contributed 0.44 percentage points, with the upward effects spread across many food and non-alcoholic beverage categories, most notably vegetables where prices, overall, rose by 8.1 per cent over the twelve months to November.

transport: which contributed 0.41 percentage points, with the main upward effect coming from air transport where fares, overall, rose by 7.7 per cent over the year.

education: which contributed 0.38 percentage points, with the upward effect coming predominantly from university tuition fees.

restaurants & hotels: which also contributed 0.38 percentage points, with the majority of the contribution coming from catering services.

Table C: CPI 12-month rate to November 2012

United Kingdom

Percentage change
Food & non-alcoholic beverages 3.9
Alcohol & tobacco 5.7
Clothing & footwear                         -0.6
Housing & household services 2.0
Furniture & household goods 0.6
Health 2.5
Transport 2.6
Communication 3.7
Recreation & culture 1.0
Education 19.7
Restaurants & hotels 3.3
Miscellaneous goods & services 2.3
CPI All Items 2.7

Table source: Office for National Statistics

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Figure D: Contributions to the CPI 12-month rate (in total 2.7 per cent): November 2012

United Kingdom

This chart provides the percentage contributions to the 12 month rate
Source: Office for National Statistics

Notes:

  1. Individual contributions may not sum to the total due to rounding

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Other measures of Consumer Prices Index (CPI) Inflation

This section shows for other measures of CPI inflation the percentage change over 12-months and the change in the 12-month rate between last month and this month (ie the amount by which the indices have increased or decreased over the year and the change in that relationship between the latest two months).

Figure E compares the 12-month percentage change for the CPI with the 12-month percentage change for these other measures.

Consumer Prices Index excluding indirect taxes (CPIY)

The CPIY is the same as the all items CPI except that it excludes price changes which are directly due to changes in indirect taxation (such as VAT).

In the year to November, the CPIY rose by 2.7 per cent, unchanged from October. Therefore, the CPIY and CPI 12-month rates were both unchanged between October and November. There were no changes to indirect taxation that impacted on the CPI between those months.

Consumer Prices Index at constant tax rates (CPI-CT)

The CPI-CT is the same as the CPI except that tax rates are kept constant at the rates they were in the base period (currently January 2012) and vehicle excise duty and television licence fees are excluded.

In the year to November, CPI-CT rose by 2.4 per cent, unchanged from October. Therefore, the CPI-CT and CPI 12-month rates were both unchanged between October and November. There were no changes to indirect taxation that impacted on the CPI between those months.

Figure E: CPI measures of inflation 12-month percentage change

United Kingdom

This chart provides a comparison between CPI, CPIY and CPI-CT between November 2010 and November 2012.
Source: Office for National Statistics

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Retail Prices Index (RPI) compared with Consumer Prices Index (CPI)

The RPI is the most long standing measure of inflation in the UK. The RPI, like the CPI, measures inflation with reference to the changing cost of a fixed basket of goods and services.

This section compares the percentage change over 12-months for the RPI with the comparable change for the CPI and explains any significant differences between the two. Figure F charts the 12-month rates for the CPI and RPI.

In the year to November, the all items RPI rose by 3.0 per cent, down from 3.2 per cent in October. The RPI 12-month rate has therefore decreased by 0.2 percentage points between October and November compared with no change in the CPI 12-month rate between the same two months.

Figure F: RPI and CPI 12-month percentage change

United Kingdom

This chart provides a comparison of RPI with CPI between November 2010 and November 2012.
Source: Office for National Statistics

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Table 5 at the back of the bulletin identifies the main factors contributing to the differences between the 12-month rates for the CPI and the RPI. The fall in the RPI 12-month rate compared with no change in the CPI 12-month rate between October and November is mainly due to:

Other differences including weights: which reduced the RPI 12-month rate relative to the CPI 12-month rate by 0.11 percentage points. The effect came mainly from insurance.

Mortgage interest payments: which reduced the RPI 12-month rate in November by 0.10 percentage points but is excluded from the CPI.

Other measures of Retail Prices Index (RPI) Inflation

This section shows for other measures of RPI inflation the percentage change over 12-months and the change in the 12-month rate between last month and this month (ie the amount by which the indices have increased or decreased over the year and the change in that relationship between the latest two months).

Figure G compares the 12-month percentage change for the RPI with the 12-month percentage change for these other measures.

All items Retail Prices Index excluding mortgage interest payments (RPIX)

The RPIX is the same as the all items RPI except for mortgage interest payments, which are excluded from RPIX.

In the year to November, the RPIX rose by 2.9 per cent, down from 3.1 per cent in October. Therefore, the RPIX and RPI 12-month rates both fell by 0.2 percentage points between October and November.

Mortgage interest payments had a downward impact on the change to the RPI 12-month rate. This impact was not sufficient to cause a difference between the changes to the RPIX and RPI 12-month rates between those months.

All items Retail Prices Index excluding mortgage interest payments and indirect taxes (RPIY)

The RPIY is the same as the all items RPI except that it excludes price changes which are directly due to changes in indirect taxation (such as VAT) and mortgage interest payments.

In the year to November, the RPIY rose by 2.9 per cent, down from 3.1 per cent in October. Therefore, the RPIY and RPI 12-month rates both fell by 0.2 percentage points. This is because there were no changes to indirect taxation that impacted on the RPI between October and November. Mortgage interest payments had a downward impact on the change to the RPI 12-month rate but this impact was not sufficient to cause a difference between the changes to the RPIY and RPI 12-month rates between the two months.

Figure G: RPI measures of inflation 12-month percentage change

United Kingdom

This chart provides a comparison between RPI, RPIY and RPIX between November 2010 and November 2012.
Source: Office for National Statistics

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Notable Consumer Prices Index (CPI) and Retail Prices Index (RPI) Records

This section highlights notable movements and trends in the CPI and RPI and places them in historical context.

Notable CPI records

United Kingdom

Furniture, household equipment &  Annual rate +0.6%, down from +1.7% last month
maintenance Lowest since March 2008 (+0.5%)

Table source: Office for National Statistics

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Notable RPI records

United Kingdom

Seasonal food Annual rate +6.1%, up from +4.9% last month
Highest since January 2011 (+7.2%)
Annual rate +2.6%, down from +3.2% last month
Alcoholic drink Also +2.6% in April 2009
Last lower in March 2008 (+2.2%)
Household goods Annual rate +2.0%, down from +2.9% last month
Lowest since March 2008 (+0.7%)
Clothing & footwear Annual rate +5.5%, down from +6.4% last month
Lowest since July 2010 (+4.3%)
Leisure goods Annual rate +1.8%, up from +0.9% last month
Highest since January 2010 (+2.9%)
Leisure services Annual rate +5.1%, up from +4.7% last month
Highest since October 2010 (+5.4%)

Table source: Office for National Statistics

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Data tables

CPI and RPI Reference Tables, November 2012 (1.28 Mb Excel sheet) : This spreadsheet pulls together the tables that were previously published in the old style Consumer Price Indices Statistical Bulletin and Focus on Consumer Prices publication. A correlation index is included to show the old and new naming conventions and where the tables were previously published, for example: RPI All items 1947-2012 or RP02 and Table 4.1 in Focus is now the new Table 20.

Background notes

  1. National Statistician's consultation on options for improving the Retail Prices Index

    On 8 October the National Statistician launched a consultation inviting views on options for amending the way the RPI is constructed at the lowest level of aggregation. The consultation also included a proposal to change the way private housing rental prices are measured in the RPI and CPI through the use of a new data source. For more details see the consultation page. The consultation closed on 30 November and a timetable for the decision process published on 11 December.

  2. New inflation index including owner occupiers’ housing costs to be launched

    On 2 November, the ONS announced that a new additional measure of consumer price inflation will be launched which includes owner occupiers’ housing (OOH) costs. The new index, which will initially be known as CPIH, will measure OOH costs using the rental equivalence method. This method uses changes in rental prices to measure the costs of owning, living in and maintaining a property. CPIH will be introduced in March 2013 at the same time as the annual CPI/RPI basket of goods and services is updated.

    ONS published its full response to the public consultation on OOH (together with the Consumer Prices Advisory Committee's annual report for 2012) on 13 November 2012. 

  3. Council Tax

    In September 2012, the Consumer Prices Advisory Committee recommended that ONS included Council Tax in the coverage of the new additional measure of consumer price inflation (CPIH) when it is launched in March 2013.  The National Statistician recognises that there are competing arguments for and against its inclusion and has asked ONS to review these, taking additional time particularly to understand the international perspective, in discussions with Eurostat. Council Tax therefore will not be included in CPIH when it is launched. Eurostat has decided that Council Tax should not be included in the Harmonised Index of Consumer Prices (HICP), which is the UK's CPI. Council Tax is already included in the RPI.

  4. Modelling a back series for the CPI

    A research study conducted by ONS methodologists has produced a modelled back series of CPI growth rates covering the period 1950 to 1988. A mixture of actual data and modelling techniques were used to construct the estimates. Series included in the approach include the 12 two-digit CPI categories and the all items series. These modelled estimates are not National Statistics. A paper describing the approach together with a spreadsheet containing the modelled historic data can be found here.

  5. Next month

    Inflation for December 2011 to December 2012 will be published on 15 January 2013. CPI and RPI inflation rates between December 2011 and November 2012 were 2.2 per cent and 2.6 per cent respectively. Inflation rates for December 2011 to December 2012 will take account of price changes between November 2012 and December 2012.

  6. Relevance

    The CPI is the main UK domestic measure of consumer price inflation for macroeconomic purposes. It forms the basis for the Government’s target for inflation that the Bank of England’s Monetary Policy Committee (MPC) is required to achieve. Since April 2011 the CPI has also been used for the indexation of benefits, tax credits and public service pensions. The uprating is based on the 12-month change in the September CPI. However, in his Autumn Statement, the Chancellor of the Exchequer announced his intention that some benefits will be capped at 1 per cent for the next three years.

    Internationally, the CPI is known as the Harmonised Index of Consumer Prices (HICP). HICPs are calculated in each Member State of the European Union, according to rules specified in a series of European regulations developed by Eurostat in conjunction with the EU Member States. HICPs are used to compare inflation rates across the European Union. Since January 1999, the HICP has also been used by the European Central Bank (ECB) as the measure of price stability across the euro area.

  7. Methodology

    The CPI and the RPI are compiled using the same underlying price data, based on a large and representative selection of almost 700 individual goods and services for which price movements are measured in around 150 randomly selected areas throughout the UK. Around 180,000 separate price quotations are used every month to compile the indices. The outlets in which the prices are collected are selected randomly. Expenditure weights are held constant for one year at a time.

    The selection of goods and services that are priced to compile the CPI and RPI is reviewed annually. The contents of the 2012 basket are described in an article Consumer Prices Index and Retail Prices Index: the 2012 Basket of Goods and Services (274.7 Kb Pdf) . The expenditure weights used to compile the indices are also updated each year. Additional details of the updated CPI and RPI weights for 2012 are available from the National Statistics website in an article published on 24 April 2012 entitled Consumer Prices Index and Retail Prices Index: Updating Weights for 2012.   

    Rates of change for the CPI are calculated from unrounded index levels, rather than from the published indices, which are rounded to one decimal place. The use of unrounded indices increases the accuracy of the calculation. The unrounded index levels are available on request. By contrast, rates of change for the RPI are calculated from the published rounded indices. 

  8. Reliability

    Once the RPI indices are published they are never revised. CPI indices are revisable although the only time the CPI all items index has been revised was when the index was re-referenced to 2005=100, which took place with the publication of the January 2006 indices.

  9. Comparability

    The CPI’s coverage of goods and services was extended in stages in the areas of health, education, childcare and insurance, with effect from the January 2000, 2001 and 2002 indices. In 2000, there was also a change to the population basis for the weights which was broadened from private households to include expenditure by foreign visitors and residents of institutional households. Further details can be found in a series of articles in the CPI methodology section of the Office for National Statistics website.

    The official CPI series starts in 1996 but estimates for earlier periods are available back to 1988. These estimates are broadly consistent with data from 1996 but should be treated with some caution. An article about historical estimates (106 Kb Pdf) provides more detail. 

    Additionally, a research study conducted by ONS Methodologists has produced a modelled back series of CPI growth rates covering the period 1950 to 1988. For more information, see background note 4.

    RPI data are available back to 1947 but have been re-referenced on several occasions since then, generally accompanied by changes to the coverage and/or structure of the detailed sub-components. Details of these changes are given in Appendices 1 and 2 of the Consumer Price Indices Technical Manual (754.3 Kb Pdf) .

  10. Other measures of inflation – main uses and methodological details

    Detailed explanations of the main uses and methodology used to construct the ‘other measures of inflation’ included within this statistical bulletin and how they differ from the CPI can be found in Chapters 9 and 10 of the Consumer Price Indices Technical Manual (754.3 Kb Pdf) . In addition this article 'How ONS consumer price statistics are used' provides further details of how consumer price statistics are used more generally.

    • All items Retail Prices Index (RPI): the RPI is the most long-standing general purpose measure of inflation in the UK. Historically the uses of the RPI include the indexation of various prices and incomes and the uprating of pensions, state benefits and index-linked gilts, as well as the revalorisation of excise duties. Please note, though, that since April 2011 the CPI has been used to uprate benefits, tax credits and public service pensions.

    The main differences between the CPI and RPI are:

    • Population base: CPI includes all UK private and institutional households and foreign visitors to the UK. The RPI includes private households only and excludes the highest income households and pensioner households mainly dependent on state benefits; these excluded private households account for around 13 per cent of all UK household expenditure.

    • Item coverage: the most significant difference is that the CPI excludes a number of items relating to housing costs (such as mortgage interest payments, house depreciation and council tax) that are included in the RPI.

    • Index methodology – formula: the CPI mainly uses the geometric mean whereas the RPI uses the arithmetic mean to combine individual prices at the first stage of aggregation.

    • Item coding: the CPI uses a standard international classification system whereas the RPI uses a system unique to itself and not used elsewhere. The different approaches reflect the fact that the CPI is used to compare inflation rates across Europe so a standard framework is required; the RPI is mainly used within the UK only.

    Here is a breakdown of the differences between the CPI and RPI (62.9 Kb Pdf) annual inflation rates.

    Also available is an explanation of the increased impact that the different formulae used to construct the CPI and RPI (61 Kb Pdf) had on the indices during 2010.

    • All items Retail Prices Index excluding mortgage interest payments (RPIX): this index is the same as the all items RPI but it excludes the mortgage interest payments component.

    • All items Retail Prices Index excluding mortgage interest payments and indirect taxes (RPIY): is an index designed to measure movements in ‘core’ prices as the index excludes price changes which are directly due to changes in indirect taxation (for example VAT; excise duties on tobacco, alcohol and petrol; local authority taxation; vehicle excise duty; and television licence fees) and mortgage interest payments. The purpose of the index is to obtain a better indication of inflationary pressures at times when prices are directly influenced by government-driven changes.

    • Consumer Prices Index excluding indirect taxes (CPIY):  is an index designed to measure movements in ‘underlying prices’ as it excludes price changes which are directly due to changes in indirect taxation (for example VAT; excise duties on tobacco, alcohol and petrol; vehicle excise duty; and television licence fees). As with the RPIY, its main purpose is to obtain a better indication of inflationary pressures at times when prices are directly influenced by government-driven changes.

    • Consumer Prices Index at constant tax rates (CPI-CT): is an index where tax rates are kept constant at the rates as they were in the base period (currently January 2012) and which excludes vehicle excise duty and television licence fees. The analytical value of the CPI-CT is when it is compared with the CPI; differences in the monthly and annual rates of change between the two indices provide an indication of the impact of tax changes on the CPI.  

  11. Accessibility

    The most efficient way to access the latest CPI and RPI data and briefing on the new website is via the CPI or RPI key figures on the homepage.

    In response to user feedback, we have taken the opportunity to make all CPI and RPI data available in one location. These CPI and RPI Reference Tables (1.28 Mb Excel sheet) are provided via a 'printer friendly' excel file.

    To further help users, very detailed CPI data are now available including the individual price quotes and item indices that underpin the CPI. Please note that the data that are published are at a level which means that no individual retailer or service provider will be able to be identified. Previously the data published covered January 1996 to June 2012. The data for July to September 2012 are also now available. Small changes have been implemented to the format of these data, ie item names have been added to the individual quote file, and CPI weights have been added to the CPI item index file. These data are updated once a quarter with around a two month lag with the latest CPI publication. For example, the data will next be updated when the February CPI is published on 19 March 2013, at which point the detailed data published will be extended to December 2012.

    This bulletin includes the November 2012 data, collected on 13 November 2012. Future publication dates (43.6 Kb Pdf) for this Statistical Bulletin are available (now includes dates to January 2014). 

    The European Commission (Eurostat) released figures for the Harmonised Index of Consumer Prices (HICP) for the month of November 2012 for EU Member States, together with an EU average, on 14 December 2012. Further information on HICP for the European Union, Eurozone and other EU Member States is available from Eurostat's HICP web page.  

  12. Further information

    A more detailed quality report (141.9 Kb Pdf) for this statistical bulletin is available. The report assesses the CPI and RPI against standard dimensions of quality such as relevance, accuracy and accessibility. The report was last updated in December 2011.

    The mini Triennial Review (1.75 Mb Pdf) of the CPI and RPI Central Collection of Prices is available.

    A full description of how the CPI and RPI are compiled is given in the Consumer Price Indices Technical Manual. (754.3 Kb Pdf)

    Further information on the CPI and RPI, including details of the methodology used to construct the indices, articles, historic data etc. is available on the Consumer Price Indices Taxonomy page.

  13. General

    Details of the policy governing the release of new data are available from the Media Relations Office. Also available is a list of the names of those given pre-release access (303.6 Kb Pdf) to the contents of this release.

    Bank and Treasury officials were informed at 5pm on the Friday before publication that an open letter was not needed this month between the Governor of the Bank of England and the Chancellor of the Exchequer.

    Follow us on Twitter or join us at Facebook. View the latest podcasts on YouTube.

    ONS has recently published commentary, analysis and policy on 'Special events' which may affect statistical outputs. For full details go to the Special events page on the Office for National Statistics website.

    During 2010, an assessment team from the UK Statistics Authority conducted a review of the Office for National Statistics’ Consumer Price Indices. Their remit was to assess compliance with the Code of Practice for Official Statistics. In December 2010, the team published their conclusions as Assessment Report 79.

    While carrying out the assessment, the team also researched and published Monitoring Brief 7/2010 – Communicating Inflation.

    Following this assessment and ONS’s subsequent response, the UK Statistics Authority, on 31 January 2012 confirmed the designation of the CPI and RPI as National Statistics, in accordance with the Statistics and Registration Service Act 2007 and signifying compliance with the Code of Practice for Official Statistics.

    Designation can be broadly interpreted to mean that the statistics:

    • Meet identified user needs,

    • Are well explained and readily accessible,

    • Are produced according to sound methods,

    • Are managed impartially and objectively in the public interest.

    Once statistics have been designated as National Statistics it is a statutory requirement that the Code of Practice shall continue to be observed.

  14. Media contact:

    Tel:  Luke Croydon   + 44 (0) 845 6041858
    Emergency on-call    + 44 (0) 7867 906553
    Email:  media.relations@ons.gsi.gov.uk

    Statistical contact:

    Tel:  Philip Gooding +44 (0) 1633 455896
    Email:  philip.gooding@ons.gsi.gov.uk 
    Email:  cpi@ons.gsi.gov.uk

    CPI/RPI recorded message (available after 9.45am on release day):

    Tel: + 44 (0) 1633 456961

    CPI/RPI Enquiries:

    Tel: + 44 (0) 1633 456900

  15. Details of the policy governing the release of new data are available by visiting www.statisticsauthority.gov.uk/assessment/code-of-practice/index.html or from the Media Relations Office email: media.relations@ons.gsi.gov.uk

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

Statistical contacts

Name Phone Department Email
Philip Gooding +44 (0)1633 455896 Prices, ONS cpi@ons.gsi.gov.uk
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