Producer price inflation, UK: September 2024 including services, July to September 2024

Changes in the prices of goods bought and sold by UK manufacturers including price indices of materials and fuels purchased (input prices) and factory gate prices (output prices). Also including quarterly estimates monitoring the changes in prices charged for services provided to UK-based customers for a range of industries.

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Contact:
Email Business Prices team

Release date:
16 October 2024

Next release:
20 November 2024

1. Main points

  • Producer input prices fell by 2.3% in the year to September 2024, down from a revised decrease of 1.0% in the year to August.
  • Producer output (factory gate) prices fell by 0.7% in the year to September 2024, down from a revised increase of 0.3% in the year to August.
  • On a monthly basis, producer input prices fell by 1.0%, while output (factory gate) prices fell by 0.5% in September 2024.
  • Services producer prices rose by 3.3% in the year to Quarter 3 (July to Sept) 2024, up from a revised increase of 3.2% in the year to Quarter 2 (Apr to June).
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2. Producer price inflation rates

Producer input prices fell by 2.3% in the year to September 2024. This is down from a revised decrease of 1.0% in the year to August (Figure 1). Monthly input prices fell by 1.0% in September 2024, following a revised decrease of 0.3% in August (Table 1).

Producer output (factory gate) prices fell by 0.7% in the year to September 2024. This is down from a revised increase of 0.3% in the year to August (Figure 1). Monthly output prices fell by 0.5% in September 2024, following a decrease of 0.3% in August (Table 1).

Estimates for both August and September 2024 are provisional. Figures for the latest 12 months are subject to revisions as additional survey data are returned and validated. Effective response rates at the time of first publishing can be found in Section 8: Data sources and quality.

Because of rounding, inflation rates in this bulletin may not correspond to index value changes, and contributions to the rate may not add up to the rate exactly.

We have now published feedback from the user engagement exercise we launched earlier this year. The purpose of the exercise was to better understand user needs as part of a review of outputs and publications for Producer Price Index (PPI) statistics.

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3. Input producer price inflation

Of the 10 product groups for the input Producer Price Index (PPI), 5 made downward contributions to the annual inflation rate in September 2024. The largest of these came from inputs of crude oil, inputs of “other parts and equipment” and inputs of fuel, which contributed negative 1.47, negative 0.79 and negative 0.54 percentage points, respectively (Figure 2).

The price of inputs of crude oil fell by 23.3% in the year to September 2024, which is down from a fall of 10.7% in the year to August (Table 2). Inputs of crude oil also provided the largest contribution to the change in the annual inflation rate between August and September 2024, with a downward contribution of 0.84 percentage points.

Despite making the second largest downward contribution to the annual rate, prices for "other parts and equipment" increased by 0.5% in the year to September 2024 (Table 2). This downward contribution was caused by the weight changes introduced to the PPI in February. For worked examples, see the scenarios in Section 8: Data sources and quality.

The prices of inputs of fuel fell by 11.2% in the year to September 2024, which is up from a fall of 11.3% in the year to August (Table 2). The main contribution to this fall came from electricity for the domestic market which fell by 11.5% in the year to September 2024.

The largest offsetting upward contribution came from inputs of domestic food which contributed 0.45 percentage points (Figure 2).

Prices for inputs of domestic food increased by 1.7% in the year to September 2024 (Table 2). This upward contribution was partly caused by a poor yield in potato crops which pushed prices up.

The prices of materials and fuels imported by UK manufacturers fell by 5.0% in the year to September 2024, down from a revised fall of 1.3% in the year to August. On a monthly basis, prices saw a 1.6% fall between August and September 2024, compared with a fall of 0.2% between July and August, which was revised down from the 0.3% increase that was published last month. The fall in import prices in the year to September 2024 may partly reflect the higher level of sterling, which rose by 4.2% in the same year (Table 3).

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4. Output producer price inflation

Of the 10 product groups for the output Producer Price Index (PPI), 4 made downward contributions to the annual inflation rate in September 2024. The largest of these came from outputs of chemicals and outputs of paper and printed material which contributed negative 1.18 and negative 1.03 percentage points, respectively (Figure 3).

Prices for chemicals fell by 0.6% in the year to September 2024, up from a fall of 0.9% in the year to August (Table 4).

Prices for paper and printed material fell by 0.4% in the year to September 2024, up from a fall of 0.7% in the year to August (Table 4).

In comparison, the largest offsetting upward contribution came from “other outputs”, which contributed 0.96 percentage points.

Prices for "other outputs" rose by 1.7% in the year to September 2024, up from a rise of 1.3% in the year to August (Table 4). The main contribution to this rise came from soft drinks; mineral waters and other bottled waters for domestic market, which saw a price rise of 2.3% in the year to September 2024.

Coke and refined petroleum products made the largest contribution to the change in the annual inflation rate in September 2024, with a downward contribution of 1.11 percentage points. Prices for coke and refined petroleum products fell by 22.5% in the year to September 2024, down from a fall of 9.3% in the year to August (Table 4).

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5. Services producer price inflation

Prices for services provided by UK companies, excluding financial and insurance services, rose 3.3% in the year to Quarter 3 (July to Sept) 2024, up from a revised increase of 3.2% in the year to Quarter 2 (Apr to June) 2024 (Figure 4). Quarterly output prices for services rose 0.5% in Quarter 3 2024, down from a revised increase of 1.0% in Quarter 2 2024 (Table 5).

Of the nine product groups for the Services Producer Price Index (SPPI), five made upward contributions to the annual inflation rate in Quarter 3 2024. The largest of these came from accommodation and food services, and administrative and support services, at 3.28 and 1.99 percentage points, respectively (Figure 5).

Accommodation and food services had an annual price rise of 4.9% in the year to Quarter 3 2024, down from 5.9% in Quarter 2 (Table 6). This was partly attributed to a price increase of 6.4% in canteen services.

Administrative and support services had an annual price rise of 4.3% in the year to Quarter 3 2024, up from 4.2% in the year to Quarter 2 (Table 6). This was partly attributed to a price increase of 4.8% in packaging services.

Despite making the largest offsetting downward contribution to the annual rate, professional, scientific and technical services had an annual price rise of 2.8% in the year to Quarter 3 2024 (Table 6). This downward contribution was caused by the weight changes introduced to the SPPI in Quarter 1 (Jan to Mar) 2024. For worked examples, see the scenarios in Section 8: Data sources and quality.

Transportation and storage services made the largest upward contribution to change in the annual inflation rate in Quarter 3 2024, at 0.26 percentage points. Prices for this service group rose 3.9% in Quarter 3 2024, up from a rise of 2.2% in Quarter 2 (Table 6).

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6. Data on producer price inflation

Producer price inflation time series
Dataset | Released 16 October 2024
A comprehensive selection of data on input and output indices. Contains producer price indices of materials and fuels purchased and output of manufacturing industry by broad sector.

Output and input producer price inflation: contributions to the annual rates
Dataset | Released 16 October 2024
Contributions to the annual inflation rates of input and output producer price inflation by component and overall inflation rates.

Producer price inflation
Dataset MM22 | Released 16 October 2024
UK price movement data at all manufacturing, aggregated industry and product group levels. Data supplied from individual manufacturers, importers and exporters. Monthly, quarterly and annual data.

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7. Glossary

Weight

This is the importance of the price of interest relative to other prices collected. With annual chain-linking, this is updated every year using business turnover data.

Index value

Price level in a specific basket of goods.

Annual growth rate

The annual inflation rate.

Link factor

A smoothing factor applied to create a continuous series following a weights change.

Contribution

As the aggregate producer prices indices are built up from individual product indices, it is possible to decompose overall inflation into contributions from different products. Those contributions reflect both the inflation rates for each product and their weight in the index. For more worked examples, see the scenarios in Section 8: Data sources and quality.

Producer price inflation

Changes in the prices of goods bought and sold by UK manufacturers, including price indices of materials and fuels purchased (input prices) and factory gate prices (output prices).

If the producer price inflation rate is a positive value, this indicates that prices have risen, while a negative value indicates that prices have fallen.

Input prices

The input price measures the price of materials and fuels bought by UK manufacturers for processing. It includes materials and fuels that are either imported or sourced from within the domestic market. It is not limited to materials used in the final product but includes what is required by businesses in their normal day-to-day running, such as fuels.

Output prices

The output price (also known as the factory gate price) is the amount received by UK producers for the goods that they sell to the domestic market. It includes the margin that businesses make on goods, in addition to costs such as labour, raw materials and energy, as well as interest on loans, site or building maintenance, or rent.

Services producer price inflation

Quarterly estimates monitoring the changes in prices charged for services provided to UK-based customers for a range of industries.

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8. Data sources and quality

Producer prices development plan

The Office for Statistics Regulation's (OSR's) quality report of the Producer Price Indices (PPI) was published in August 2023. The report notes the excellent progress made recently with bringing PPI in line with methodological best practice, but also highlights areas that need to be improved.

Our Producer prices development plan (article) was published in October 2023, detailing the work that will be undertaken to improve the quality of PPI data and continue to meet user needs.

The Producer Price Index

The PPI uses contributions to identify how indices influence the overall inflation rate. This section gives additional information on the calculation and how to interpret it.

Example scenarios

The following gives examples of how weight and inflation rate changes most commonly affect the contribution. In PPI, the weights usually have greater influence on the contribution to the annual rate, as these tend to show greater change than the annual inflation rate:

  • decrease in weight, decrease in inflation rate – contribution is negative
  • decrease in weight, no change in inflation rate – contribution is negative
  • decrease in weight, increase in inflation rate – contribution is usually negative
  • no change in weight, decrease in inflation rate – contribution is usually negative
  • no change in weight or inflation rate – no change
  • no change in weight, increase in inflation rate – contribution is usually positive
  • increase in weight, decrease in inflation rate – contribution is usually positive
  • increase in weight, no change in inflation rate – contribution is positive
  • increase in weight, increase in inflation rate – contribution is positive

Contributions are calculated using the following formula:


Quality and methodology information (QMI) on strengths, limitations, appropriate uses, and how the data were created is available in our Producer price indices QMI and our Services Producer Price Inflation (SPPI) QMI.

Other useful documentation from the Office for National Statistics (ONS) for the PPI and SPPI are:

Sterling effective exchange rate

The sterling effective exchange rate measures the level of sterling relative to a basket of other currencies. The weights in the basket reflect all UK trade and may therefore be different from those for manufactured goods, which are most relevant for producer prices.

Data revisions policy

Figures for the latest two months are provisional, and the latest 12 months are subject to revisions because of late and revised respondent data. The PPI revision policy is now in line with that of the national accounts. We publish information on revisions policy and revisions triangles on our Revisions and corrections of errors webpage to show how estimates are revised over time.

Strengths

These data:

  • provide users with valuable insight into the changes in the prices of goods and services bought and sold by UK manufacturers
  • are comprehensive, covering many products at a much greater level of detail than other surveys
  • are internationally comparable with any country using the classification by product activity (CPA) or the central product classification (CPC) systems
  • are created using a rotational sampling method to enable many new products and new respondents to be included
  • are chain-linked annually to improve results in deflation by reducing substitution bias

Limitations

The limitations are that:

  • some products are produced by only a small number of manufacturers, meaning that there may not be enough manufacturers for a detailed analysis, requiring some estimation
  • the data can be revised for 12 months
  • the data for the latest two months of the PPI and two quarters of the SPPI are provisional

Response rates in September 2024

In September 2024, the response rates for the domestic PPI and the Import Price Index (IPI) were lower than they were in September 2023, whereas the response rate for the Export Price Index (EPI) was higher (Table 7).

The response rate for the SPPI increased between Quarter 3 (July to Sept) 2023 and Quarter 3 2024 (Table 8).

Accredited official statistics

These accredited official statistics were independently reviewed by the Office for Statistics Regulation in August 2010. They comply with the standards of trustworthiness, quality and value in the Code of Practice for Statistics and should be labelled “accredited official statistics”.

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10. Cite this statistical bulletin

Office for National Statistics (ONS), released 16 October 2024, ONS website, statistical bulletin, Producer price inflation, UK: September 2024 including services, July to September 2024

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Contact details for this Statistical bulletin

Business Prices team
business.prices@ons.gov.uk
Telephone: +44 1633 456907