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Petrol and diesel prices in Cornwall
Pump prices at 21 forecourts in Cornwall, from the open price feeds UK fuel retailers have to publish. These were the prices on 7 October 2026. The Driveboard map has them live, and sorts the forecourts near you by price.
See live prices on the map169.9pcheapest unleaded (e10)
193.9pcheapest diesel
185.9pcheapest super unleaded (e5)
175.1paverage unleaded
Average and cheapest by fuel
| Fuel | Average | Cheapest | Where |
|---|---|---|---|
| Unleaded (E10) | 175.1p | 169.9p | Asda PL15 7AU |
| Super unleaded (E5) | 192.5p | 185.9p | Asda PL15 7AU |
| Diesel | 201.0p | 193.9p | Asda PL15 7AU |
| Super diesel | 216.5p | 209.9p | Morrisons PL14 3PR |
Forecourts in Cornwall
| Forecourt | Postcode | E10 | E5 | Diesel |
|---|---|---|---|---|
| Asda | PL15 7AU | 169.9p | 185.9p | 193.9p |
| Asda | TR10 9LY | 171.9p | 198.7p | |
| Asda | TR18 4NP | 171.9p | 187.9p | 196.9p |
| Morrisons | TR7 2BB | 172.9p | 189.9p | 199.9p |
| TEXACO | PL13 1HN | 172.9p | 193.9p | 199.9p |
| Morrisons | TR20 8HT | 173.9p | 189.9p | 199.9p |
| Asda | PL25 4PR | 174.7p | 198.7p | |
| ESSO | TR11 2EJ | 174.9p | 195.9p | 203.9p |
| Esso | TR8 4XB | 174.9p | 195.9p | 199.9p |
| Morrisons | PL14 3PR | 174.9p | 189.9p | 199.9p |
| Morrisons | TR15 3NH | 174.9p | 189.9p | 199.9p |
| Asda | PL31 2AR | 175.7p | 199.7p | |
| Esso | PL15 7RR | 175.9p | 195.9p | 204.9p |
| Morrisons | PL31 2AG | 175.9p | 189.9p | 199.9p |
| Morrisons | EX23 8UA | 175.9p | 189.9p | 199.9p |
| Asda | PL18 9EE | 175.9p | 191.9p | 201.9p |
| ESSO | TR4 8HS | 176.9p | 195.9p | 203.9p |
| Esso | PL12 6LF | 176.9p | 195.9p | 209.9p |
| TEXACO | PL26 8LQ | 177.9p | 198.9p | 196.9p |
| Asda | PL30 3ED | 178.9p | 201.9p | |
| BP | PL12 6LF | 178.9p | 195.9p | 209.9p |
Questions
Where is the cheapest petrol in Cornwall?
On 7 October 2026 the cheapest unleaded (E10) in Cornwall was 169.9p at Asda PL15 7AU, against an average of 175.1p. Prices change daily; the Driveboard map has them live.
Where is the cheapest diesel in Cornwall?
On 7 October 2026 the cheapest diesel in Cornwall was 193.9p at Asda PL15 7AU, against an average of 201.0p.
Where do these prices come from?
From the open price feeds that UK fuel retailers are required to publish. Not every forecourt is in a feed yet, so some local stations may be missing.