Live prices
Cheapest petrol and diesel prices in Castle Douglas
2 forecourts tracked in Castle Douglas (1 reporting unleaded (E10), 2 reporting diesel (B7), 1 reporting premium (E5), 1 reporting super diesel). Prices last refreshed at 5:01am on 19 September 2026.
The cheapest reported unleaded petrol (E10) in Castle Douglas is £8.04 a gallon (176.9p per litre) at Shell, 1, Ayr Road, Dalry, Castle Douglas, DG7 3SW, Ayr Road, Castle Douglas, Dumfries And Galloway. That local average is 4.2p per litre above the UK average of 172.7p.
The average is unchanged since yesterday. The average has risen 7.0p per litre since last week.
Prices last refreshed at 5:01am on 19 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 176.9p per litre, the cheapest unleaded in Castle Douglas is the highest we have recorded here in 4 weeks. The Castle Douglas average has risen 4.0p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.04/gal176.9p/L
- Average
- £8.04/gal176.9p/L
- Lowest
- £8.04/gal176.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £8.97/gal197.4p/L
- Lowest
- £8.86/gal194.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.72/gal191.9p/L
- Average
- £8.72/gal191.9p/L
- Lowest
- £8.72/gal191.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £9.77/gal214.9p/L
- Average
- £9.77/gal214.9p/L
- Lowest
- £9.77/gal214.9p/L
All forecourts in Castle Douglas
2 forecourts in Castle Douglas, with live prices and full addresses. Showing 1 to 2.
1, Ayr Road, Dalry, Castle Douglas, DG7 3SW, Ayr Road, Castle Douglas, Dumfries And Galloway · DG7 3SW
Usually cheapest midnight to 5am, priciest 11am to 4pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Abercromby Ind Estate, Abercromby Road, Castle Douglas · DG7 1LH
DirectionsNo unleaded e10 price
Diesel B7
Search near Castle Douglas
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Shell
1, Ayr Road, Dalry, Castle Douglas, DG7 3SW, Ayr Road, Castle Douglas, Dumfries And Galloway
176.9p/L
Cheapest reported diesel
Carrs Billington Fuels Castle Douglas
Abercromby Ind Estate, Abercromby Road, Castle Douglas
194.9p/L
By fuel grade in Castle Douglas
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Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.
Questions about fuel prices in Castle Douglas
- What is the average petrol price in Castle Douglas?
- The average unleaded (E10) petrol price in Castle Douglas is currently 176.9p per litre (approx. £8.04/gal), based on live data from 1 forecourt reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Castle Douglas?
- The average diesel (B7) price in Castle Douglas is currently 197.4p per litre (approx. £8.97/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Castle Douglas?
- Shell at 1, Ayr Road, Dalry, Castle Douglas, DG7 3SW, Ayr Road, Castle Douglas, Dumfries And Galloway currently has the cheapest reported unleaded petrol in Castle Douglas at 176.9p per litre (approx. £8.04/gal). Prices change regularly, so check this page for the latest.
- How do I find the cheapest fuel near Castle Douglas?
- Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.