Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 145.5p 2.8% (+3.9p) 7d avg: 143.6p Hold off if you can | Super Unleaded (E5) 163.1p 2.6% (+4.1p) 7d avg: 161.6p Slight rise | Diesel (B7) 168.3p 4.2% (+6.8p) 7d avg: 164.9p Hold off if you can | Super Diesel (SDV) 189.2p 4.6% (+8.3p) 7d avg: 185.6p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 145.5p 2.8% (+3.9p) 7d avg: 143.6p Hold off if you can | Super Unleaded (E5) 163.1p 2.6% (+4.1p) 7d avg: 161.6p Slight rise | Diesel (B7) 168.3p 4.2% (+6.8p) 7d avg: 164.9p Hold off if you can | Super Diesel (SDV) 189.2p 4.6% (+8.3p) 7d avg: 185.6p Hold off if you can |

Fuel Prices in Castle Douglas

Live comparison for DG7 area. Tracking 2 stations across 21 brands. For a detailed breakdown including 7-day price trends, market competition analysis, and savings tips, and also find Today’s Cheapest Petrol and Diesel in Castle Douglas .

Scotland 2 Stations 2 Brands
Updated 21 Mar 2026
View Castle Douglas on the Fuel Map

Compare all 2 stations visually on our interactive map to find the cheapest fuel near your route.

7-Day Price Movement
Petrol (E10)
141.6p 146.1p
4.5p (3.2%)
Diesel (B7)
159.9p 168.9p
9p (5.7%)
All Fuel Stations in Castle Douglas (DG7)
JET
CROWN FILLING STATION, —, QUEEN ST, CASTLE DOUGLAS, UNITED KINGDOM
E10
146.9
E5
169.9
B7
169.9
SDV
189.9
6 minutes ago
St Johns Town Services
4, AYR ROAD, DALRY, CASTLE DOUGLAS, DG7 3SW, CASTLE DOUGLAS, Scotland
E10
137.9
E5
147.9
B7
173.9
SDV
163.9
6 minutes ago
Frequently Asked Questions About Fuel in Castle Douglas

As of 21 March 2026, the cheapest E10 petrol in Castle Douglas is 137.9p at St Johns Town Services, 4, AYR ROAD, DALRY, CASTLE DOUGLAS, DG7 3SW, CASTLE DOUGLAS, Scotland.

There is currently a 9.0p difference between the cheapest and most expensive stations in Castle Douglas. For a standard 55-litre family car, that equals a saving of £4.95 per tank.

We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the Kirkcudbrightshire area.

Not today. St Johns Town Services is actually cheaper than local supermarkets in DG7. It's always worth comparing before filling up.

We are currently tracking 2 active fuel stations in the DG7 area, operated by 2 different brands including JET, St Johns Town Services and more.

The cheapest B7 diesel in Castle Douglas is currently 169.9p at JET. You can also use our interactive fuel map to compare diesel prices visually.

Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.