Fuel Prices in Cornwall
On 23 August 2026, average E10 petrol in Cornwall is 164.3p per litre and regular diesel is 185.7p per litre. Compare individual forecourts by postcode before travelling.
Average Prices
164.3pper litre
From 156.9p · 32 forecourts
185.1pper litre
From 175.9p · 26 forecourts
185.7pper litre
From 176.9p · 32 forecourts
205.8pper litre
From 186.9p · 24 forecourts
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Enter your postcode to find the cheapest forecourts in Cornwall.
Find the Cheapest Forecourts in Cornwall
Enter your postcode above to compare prices at forecourts near you, sorted by price, distance, or brand.
Frequently Asked Questions
What is the average petrol price in Cornwall?
The average E10 petrol price in Cornwall is 164.3p per litre, with prices from 156.9p across 32 reporting forecourts on 21 August 2026.
What is the average diesel price in Cornwall?
The average regular diesel price in Cornwall is 185.7p per litre, with prices from 176.9p across 32 reporting forecourts on 23 August 2026.
How often are fuel prices updated for Cornwall?
The UK fuel source is checked every 15 minutes and this location page uses a 15-minute cache. Individual forecourt reporting times can vary.
Which fuel types can I compare in Cornwall?
You can compare E10 unleaded, E5 super unleaded, regular diesel (B7S) and premium diesel (B7P). Search by postcode to see which grades are currently reported by nearby forecourts.
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