Live prices
Cheapest petrol and diesel prices in Castlederg
3 forecourts tracked in Castlederg (3 reporting unleaded (E10), 3 reporting diesel (B7)). Prices last refreshed at 3:32pm on 24 October 2026.
The cheapest reported unleaded petrol (E10) in Castlederg is £7.68 a gallon (168.9p per litre) at Derg Valley Service Station, Derg Valley Service Station, 52, Strabane Road, Castlederg, BT81 7HZ, Castlederg. The average across 3 forecourts currently reporting this grade is £7.88 a gallon (173.3p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.20 on a 50-litre fill. That local average is 0.3p per litre below the UK average of 173.6p.
The average is unchanged since yesterday. The average has risen 2.1p per litre since last week.
Prices last refreshed at 3:32pm on 24 October 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 168.9p per litre, the cheapest unleaded in Castlederg is the lowest we have recorded here in 4 weeks. The Castlederg average has risen 2.0p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.14/gal179.0p/L
- Average
- £7.88/gal173.3p/L
- Lowest
- £7.68/gal168.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.07/gal199.6p/L
- Lowest
- £9.04/gal198.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
Not enough current price data.
Super Diesel Prices
Super Diesel (SDV)
Not enough current price data.
All forecourts in Castlederg
3 forecourts in Castlederg, with live prices and full addresses. Showing 1 to 3.
Derg Valley Service Station, 52, Strabane Road, Castlederg, BT81 7HZ, Castlederg · BT81 7HZ
DirectionsDiesel B7
Diesel B7
Diesel B7
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Derg Valley Service Station
Derg Valley Service Station, 52, Strabane Road, Castlederg, BT81 7HZ, Castlederg
168.9p/L
Cheapest reported diesel
Derg Valley Service Station
Derg Valley Service Station, 52, Strabane Road, Castlederg, BT81 7HZ, Castlederg
198.9p/L
By fuel grade in Castlederg
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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 Castlederg
- What is the average petrol price in Castlederg?
- The average unleaded (E10) petrol price in Castlederg is currently 173.3p per litre (approx. £7.88/gal), based on live data from 3 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Castlederg?
- The average diesel (B7) price in Castlederg is currently 199.6p per litre (approx. £9.07/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Castlederg?
- Derg Valley Service Station at Derg Valley Service Station, 52, Strabane Road, Castlederg, BT81 7HZ, Castlederg currently has the cheapest reported unleaded petrol in Castlederg at 168.9p per litre (approx. £7.68/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Castlederg?
- According to official UK government fuel price data, P Doherty Fuel Oils Ltd t/a Riverside Service Station (BT81 7AY) currently has the highest reported unleaded (E10) price in Castlederg at 179.0p per litre (approx. £8.14/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Castlederg?
- 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.