Live prices
Cheapest petrol and diesel prices in Llangefni
2 forecourts tracked in Llangefni (2 reporting unleaded (E10), 2 reporting diesel (B7), 1 reporting premium (E5), 1 reporting super diesel). Prices last refreshed at 4:04pm on 4 November 2026.
The cheapest reported unleaded petrol (E10) in Llangefni is £7.58 a gallon (166.7p per litre) at Asda, Ffordd Cae Sel, Llangefni. The average across 2 forecourts currently reporting this grade is £7.58 a gallon (166.8p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £0.05 on a 50-litre fill. That local average is 4.2p per litre below the UK average of 171.0p.
The average is unchanged since yesterday. The average has fallen 1.5p per litre since last week.
Prices last refreshed at 4:04pm on 4 November 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 166.7p per litre, the cheapest unleaded in Llangefni is the lowest we have recorded here in 4 weeks. The Llangefni average has fallen 1.5p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £7.59/gal166.9p/L
- Average
- £7.58/gal166.8p/L
- Lowest
- £7.58/gal166.7p/L
Diesel Prices
Diesel (B7)
- Highest
- £8.81/gal193.9p/L
- Average
- £8.81/gal193.8p/L
- Lowest
- £8.81/gal193.7p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.13/gal178.9p/L
- Average
- £8.13/gal178.9p/L
- Lowest
- £8.13/gal178.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £9.36/gal205.9p/L
- Average
- £9.36/gal205.9p/L
- Lowest
- £9.36/gal205.9p/L
All forecourts in Llangefni
2 forecourts in Llangefni, with live prices and full addresses. Showing 1 to 2.
Diesel B7
Herron Services, Glanhwfa Road, Llangefni · LL77 7EY
Usually cheapest 4pm to 9pm, priciest midnight to 5am here
DirectionsDiesel B7
Premium E5
Super Diesel
Search near Llangefni
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Asda
Ffordd Cae Sel, Llangefni
166.7p/L
Cheapest reported diesel
Asda
Ffordd Cae Sel, Llangefni
193.7p/L
By fuel grade in Llangefni
Nearby areas
Save more as a driver
Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.
Questions about fuel prices in Llangefni
- What is the average petrol price in Llangefni?
- The average unleaded (E10) petrol price in Llangefni is currently 166.8p per litre (approx. £7.58/gal), based on live data from 2 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Llangefni?
- The average diesel (B7) price in Llangefni is currently 193.8p per litre (approx. £8.81/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Llangefni?
- Asda at Ffordd Cae Sel, Llangefni currently has the cheapest reported unleaded petrol in Llangefni at 166.7p per litre (approx. £7.58/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Llangefni?
- According to official UK government fuel price data, Herron Services (LL77 7EY) currently has the highest reported unleaded (E10) price in Llangefni at 166.9p per litre (approx. £7.59/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Llangefni?
- 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.