Petrol, UK average
172.2p
▲ +2.8p week on week
Diesel, UK average
195.8p
▲ +4.6p week on week
Cheapest region
East of Northern Ireland
166.2p petrol
Most expensive region
Highlands and Islands
175.7p petrol
The gap between the cheapest and most expensive region is 9.5p a litre - about £5.23 on a 55-litre fill. Within a single town the gap is often wider still; compare stations near you.
Petrol and diesel over time
UK average pence per litre, one point per weekly edition.
Regional comparison
Download CSVAverages by region for the week beginning 21 September 2026. Regions with fewer than 20 forecourts reporting are excluded.
| Region | Nation | Forecourts | Petrol | Diesel | vs UK |
|---|---|---|---|---|---|
| East of Northern Ireland | Northern Ireland | 314 | 166.2p | 191.1p | -6.0p |
| Greater Belfast | Northern Ireland | 201 | 166.6p | 190.2p | -5.6p |
| Yorkshire and the Humber | England | 662 | 171.1p | 195.1p | -1.1p |
| North East England | England | 307 | 171.1p | 195.7p | -1.1p |
| South Wales | Wales | 351 | 171.2p | 195.2p | -1.0p |
| South of Scotland | Scotland | 108 | 171.4p | 195.2p | -0.8p |
| Mid Wales | Wales | 49 | 171.7p | 196.9p | -0.5p |
| North West England | England | 841 | 171.9p | 195.7p | -0.3p |
| North East Scotland | Scotland | 105 | 172.6p | 197.1p | +0.4p |
| East Midlands | England | 587 | 172.7p | 195.9p | +0.5p |
| South West England | England | 780 | 172.8p | 196.5p | +0.6p |
| East of England | England | 753 | 172.8p | 196.2p | +0.6p |
| West Midlands | England | 701 | 172.8p | 196.2p | +0.6p |
| Greater London | England | 518 | 172.9p | 196.9p | +0.7p |
| North Wales | Wales | 102 | 173.2p | 194.8p | +1.0p |
| Central Belt | Scotland | 420 | 173.5p | 196.7p | +1.3p |
| South East England | England | 1,062 | 173.7p | 197.1p | +1.5p |
| Highlands and Islands | Scotland | 143 | 175.7p | 199.9p | +3.5p |
Previous editions
Every edition keeps its own permanent URL, so a link to a particular week continues to show that week's figures.
Methodology
Source. Prices are published by fuel retailers under the CMA open fuel price scheme, introduced after the Competition and Markets Authority's road fuel market study. We collect them throughout the day.
Coverage. This edition covers 8,004 forecourts reporting a usable unleaded price in the week beginning 21 September 2026.
Averaging. Figures are the unweighted mean of the price at each forecourt. A site is one observation regardless of how much fuel it sells, so this is an average of prices available, not of fuel purchased. Supermarket-heavy regions will read slightly lower than a volume-weighted measure.
Exclusions. Prices below 100p or above 300p a litre are excluded as data errors - a handful of sites report in pounds rather than pence. Records not updated within 30 days of the most recent feed update are excluded as stale. Regions with fewer than 20 reporting forecourts are omitted from the regional table.
Regions. Forecourts are assigned to a region from their postcode using ONS geography. Region boundaries follow the standard statistical regions of England plus Scotland, Wales and Northern Ireland.
Revisions. Each edition is a snapshot taken at the start of the week and is not revised afterwards. If a retailer corrects a price later, the correction appears in the following edition rather than changing a published one.
Using this data
These figures are free to use in articles, research and reporting. We ask only that you credit findpetrol and link back to this page, so readers can see the current edition and the method behind it.
Suggested citation
Underlying price data is published under the Open Government Licence v3.0. Download this edition as CSV.