Petrol (E10) prices in Cornwall averaged 142.9p per litre in March 2026, up 6.7p from the previous period. The highest recorded price was 147.9p in March 2026.

Prices have been trending upward in Cornwall recently. Drivers may want to shop around and compare prices between stations to find the best deal.

Over this period, Petrol (E10) prices in Cornwall ranged from 128.9p to 147.9p per litre — a spread of 19.0p. This significant variation means it pays to compare prices between stations.