UK Petrol and Diesel Averages for the Week of 28 September
The Department for Energy Security and Net Zero published UK average petrol and diesel prices for the week beginning 28 September 2026 on 29 September. These figures can help with an October fuel budget, but they are national averages, not a quote for any particular forecourt. Check local pump prices before deciding where to refuel.
What the latest weekly figures show
The department’s weekly road fuel prices page contains comparable average retail prices for petrol and diesel, alongside the previous week’s figures. The available source evidence confirms that the series was updated for the week beginning 28 September; it does not provide the actual price values. Those figures should be checked on the published table before quoting or calculating a change.
| Fuel | Week beginning 28 September 2026 | Previous week |
|---|---|---|
| Petrol | Check the official weekly table | Check the official weekly table |
| Diesel | Check the official weekly table | Check the official weekly table |
The comparison is useful for seeing whether the national average moved between weeks. Without the published values, it is not possible to state the size or direction of any change. Do not treat a blank or unverified figure as a price estimate.
How to estimate the cost of a fill-up
Use the amount of fuel you plan to buy and the price per litre shown at the pump. Multiply litres by the local price per litre. For example, if a driver buys 40 litres at a forecourt charging 145 pence per litre, the calculation is 40 × 145p = 5,800p, or £58. This is an example only, not a current UK price.
For a quick comparison, use the same number of litres for each forecourt. A difference of 2p per litre across 40 litres changes the total by 80p. The actual bill depends on how many litres you buy and the price displayed at the station.
Why nearby forecourts matter
A UK average combines prices across many retailers and locations. It describes the series nationally; it does not show what a driver will pay at a particular station, or whether a nearby forecourt is above or below the average.
Before setting an October budget, compare prices at stations convenient to your route and check them close to the time you need fuel. Use the national weekly figures for broad context, then use local pump prices and your expected litres for the practical estimate. The official weekly table’s current and previous values are the next figures to check when making a week-to-week comparison.
Source: Department for Energy Security and Net Zero
Context & actions About this article
Source check Official data
The Department for Energy Security and Net Zero updated its UK weekly fuel price series on 29 September 2026 for the week beginning 28 September.
- Confirm the petrol and diesel values in the official weekly table
- Compare each value with the previous week's figure
- Check local forecourt prices before estimating a fill-up
- Source
- Department for Energy Security and Net Zero
- Scope
- United Kingdom
- Updated
- 2026-10-29 09:56
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