Live prices
Cheapest petrol and diesel prices in Llanelli
9 forecourts tracked in Llanelli (9 reporting unleaded (E10), 9 reporting diesel (B7), 6 reporting premium (E5), 3 reporting super diesel). Prices last refreshed at 10:31am on 19 August 2026.
The cheapest reported unleaded petrol (E10) in Llanelli is 157.9p per litre at Nisa Local Drefach, Nisa, Woodlands Garage, Drefach, Llanelli. The average across 9 forecourts currently reporting this grade is 160.4p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £1.25 on a 50-litre fill. That local average is 0.9p per litre below the UK average of 161.3p.
The average has risen 0.3p per litre since yesterday. The average has risen 0.3p per litre since last week.
Prices last refreshed at 10:31am on 19 August 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Over the past 4 weeks the cheapest unleaded in Llanelli has ranged between 149.7p and 156.9p per litre. The Llanelli average has risen 0.6p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- 162.9p/lapprox. £7.41/gal
- Average
- 160.4p/lapprox. £7.29/gal
- Lowest
- 157.9p/lapprox. £7.18/gal
Diesel Prices
Diesel (B7)
- Highest
- 185.9p/lapprox. £8.45/gal
- Average
- 180.7p/lapprox. £8.21/gal
- Lowest
- 177.7p/lapprox. £8.08/gal
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- 180.9p/lapprox. £8.22/gal
- Average
- 176.6p/lapprox. £8.03/gal
- Lowest
- 175.9p/lapprox. £8.00/gal
Super Diesel Prices
Super Diesel (SDV)
- Highest
- 194.9p/lapprox. £8.86/gal
- Average
- 197.6p/lapprox. £8.98/gal
- Lowest
- 193.9p/lapprox. £8.81/gal
All forecourts in Llanelli
9 forecourts in Llanelli, with live prices and full addresses. Showing 1 to 9.
Nisa, Woodlands Garage, Drefach, Llanelli · SA14 7BA
Usually cheapest 8am to 10am, priciest 2pm to 3pm here
Directions157.9p/L
approx. £7.18/gal
Diesel B7
181.9p
approx. £8.27/gal
Murray Street, Llanelli · SA15 1BX
Usually cheapest midnight to 5am, priciest 8pm to midnight here
Directions159.7p/L
approx. £7.26/gal
Diesel B7
177.7p
approx. £8.08/gal
Diesel B7
178.9p
approx. £8.13/gal
Premium E5
175.9p
approx. £8.00/gal
Pemberton Retail Park, Llanelli, Carmarthenshire · SA14 9UZ
Usually cheapest midnight to 5am, priciest 11pm to midnight here
Directions159.9p/L
approx. £7.27/gal
Diesel B7
178.9p
approx. £8.13/gal
Premium E5
175.9p
approx. £8.00/gal
Diesel B7
179.9p
approx. £8.18/gal
Tesco Stores Ltd, Trostre Retail Park, Llanelli · SA14 9UY
Usually cheapest midnight to 5am, priciest 3pm to 8pm here
Directions160.9p/L
approx. £7.31/gal
Diesel B7
178.9p
approx. £8.13/gal
Premium E5
170.9p
approx. £7.77/gal
1, Capel Isaf Road, Llanelli, SA15 1QD, Llanelli · SA15 1QD
Usually cheapest midnight to 5am, priciest 2pm to 7pm here
Directions160.9p/L
approx. £7.31/gal
Diesel B7
178.9p
approx. £8.13/gal
Premium E5
175.9p
approx. £8.00/gal
Super Diesel
193.9p
approx. £8.81/gal
Cross Hands, Llanelli, Dyfed · SA14 6RD
Usually cheapest midnight to 5am, priciest 2pm to 7pm here
Directions161.9p/L
approx. £7.36/gal
Diesel B7
184.9p
approx. £8.41/gal
Premium E5
180.9p
approx. £8.22/gal
Super Diesel
203.9p
approx. £9.27/gal
Dafen Service Station Ltd, Dafen Service Station, Industrial Estate, Dafen, Llanelli · SA14 8NS
Usually cheapest 2am to 7am, priciest 7pm to midnight here
Directions162.9p/L
approx. £7.41/gal
Diesel B7
185.9p
approx. £8.45/gal
Premium E5
179.9p
approx. £8.18/gal
Super Diesel
194.9p
approx. £8.86/gal
Search near Llanelli
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Nisa Local Drefach
Nisa, Woodlands Garage, Drefach, Llanelli
157.9p/L
Cheapest reported diesel
Asda
Murray Street, Llanelli
177.7p/L
By fuel grade in Llanelli
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 Llanelli
- What is the average petrol price in Llanelli?
- The average unleaded (E10) petrol price in Llanelli is currently 160.4p per litre (approx. £7.29/gal), based on live data from 9 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Llanelli?
- The average diesel (B7) price in Llanelli is currently 180.7p per litre (approx. £8.21/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Llanelli?
- Nisa Local Drefach at Nisa, Woodlands Garage, Drefach, Llanelli currently has the cheapest reported unleaded petrol in Llanelli at 157.9p per litre (approx. £7.18/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Llanelli?
- According to official UK government fuel price data, Dafen Service Station (SA14 8NS) currently has the highest reported unleaded (E10) price in Llanelli at 162.9p per litre (approx. £7.41/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Llanelli?
- 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.