What is the average petrol price in Llangefni?

The average unleaded (E10) petrol price in Llangefni is currently 167.8p per litre (approx. £7.63/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 167.7p per litre (approx. £7.62/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 167.9p per litre (approx. £7.63/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.

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 10:31pm on 19 September 2026.

The cheapest reported unleaded petrol (E10) in Llangefni is £7.62 a gallon (167.7p per litre) at Asda, Ffordd Cae Sel, Llangefni. The average across 2 forecourts currently reporting this grade is £7.63 a gallon (167.8p 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 4.7p per litre below the UK average of 172.5p.

The average is unchanged since yesterday. The average has risen 1.5p per litre since last week.

Prices last refreshed at 10:31pm on 19 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.

At 167.7p per litre, the cheapest unleaded in Llangefni is the highest we have recorded here in 4 weeks. The Llangefni average has risen 1.5p a litre over the past week.

Unleaded Prices

Unleaded (E10)

Highest: £7.63/gal167.9p/L
Average: £7.63/gal167.8p/L
Lowest: £7.62/gal167.7p/L

Diesel Prices

Diesel (B7)

Highest: £8.86/gal194.9p/L
Average: £8.81/gal193.8p/L
Lowest: £8.76/gal192.7p/L

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: £8.18/gal179.9p/L
Average: £8.18/gal179.9p/L
Lowest: £8.18/gal179.9p/L

Super Diesel Prices

Super Diesel (SDV)

Highest: £9.41/gal206.9p/L
Average: £9.41/gal206.9p/L
Lowest: £9.41/gal206.9p/L

All forecourts in Llangefni

Sort by

2 forecourts in Llangefni, with live prices and full addresses. Showing 1 to 2.

Cheapest unleaded e10Asda Llangefni Supermarket

Ffordd Cae Sel, Llangefni · LL77 7DW

Usually cheapest 8am to 1pm, priciest 4pm to 9pm here

Directions

Diesel B7

Herron Services

Herron Services, Glanhwfa Road, Llangefni · LL77 7EY

Usually cheapest midnight to 5am, priciest 5pm to 10pm here

Directions

Diesel 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

167.7p/L

Cheapest reported diesel

Asda

Ffordd Cae Sel, Llangefni

192.7p/L

By fuel grade in Llangefni

Cheapest unleaded petrol (E10) in Llangefni Cheapest diesel (B7) in Llangefni Cheapest premium unleaded (E5) in Llangefni Cheapest super diesel in Llangefni

Nearby areas

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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 Llangefni

What is the average petrol price in Llangefni?: The average unleaded (E10) petrol price in Llangefni is currently 167.8p per litre (approx. £7.63/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 167.7p per litre (approx. £7.62/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 167.9p per litre (approx. £7.63/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.