Frequently Asked Questions
Find answers to common questions about our service
General
How often are petrol prices updated?
Our data is refreshed daily using the latest information from major supermarkets and independent forecourts, in line with the UK Government's Competition and Markets Authority (CMA) Road Fuel Prices Scheme.
Where does your petrol and diesel pricing data come from?
We use a combination of retailer feeds and data published through the CMA scheme. This includes prices from Asda, Tesco, Sainsbury's, Morrisons, and other leading fuel brands.
Is it free to use this site?
Yes, PetrolPrices.co.uk is completely free for users. No sign-up or subscription is required.
Using the Site
Do I need to enter my postcode to view fuel prices?
Yes, entering your postcode will show the cheapest fuel stations near you. You can also click the location icon to use your current location.
Can I compare supermarket fuel prices only?
Yes. You can filter by brand and compare prices from major supermarkets separately.
Do you show prices for diesel, LPG, or premium fuels?
We currently show prices for unleaded petrol, diesel, and LPG. Premium fuel listings may be added in the future.
Accuracy & Coverage
How accurate are the prices shown?
Prices are based on official and retailer-supplied data, typically refreshed every 15 minutes. Still, we recommend confirming prices at the pump before filling up.
Do you cover petrol stations in my area?
We aim to include as many UK stations as possible. Enter your postcode to check current listings nearby.
Why is the price shown different from the pump?
Fuel prices can change quickly. Delays in data syncing or local promotions may result in temporary mismatches.
Other
Can I report a wrong petrol price?
Yes – just use the Contact Us page and we'll look into it.
Do you have an app?
Not yet, but our website is fully optimised for phones and tablets.
Can I trust the data?
Yes. We display fuel prices using data from trusted sources, including the UK Government's CMA scheme and leading fuel retailers, licensed under the Open Government Licence v3.0.