Petrol (E10) prices in Castle Douglas averaged 150.5p per litre in March 2026, up 20.0p from the previous period. The highest recorded price was 154.9p in March 2026.

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

Over this period, Petrol (E10) prices in Castle Douglas ranged from 1.0p to 154.9p per litre — a spread of 153.9p. This significant variation means it pays to compare prices between stations.