Live prices
Cheapest petrol and diesel prices in Swansea
23 forecourts tracked in Swansea (23 reporting unleaded (E10), 23 reporting diesel (B7), 16 reporting premium (E5), 10 reporting super diesel). Prices last refreshed at 12:02am on 19 October 2026.
The cheapest reported unleaded petrol (E10) in Swansea is £7.63 a gallon (167.9p per litre) at Tesco, Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea. The average across 23 forecourts currently reporting this grade is £7.92 a gallon (174.3p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £3.20 on a 50-litre fill. That local average is 0.1p per litre above the UK average of 174.2p.
The average is unchanged since yesterday. The average has fallen 0.6p per litre since last week.
Prices last refreshed at 12:02am on 19 October 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 167.9p per litre, the cheapest unleaded in Swansea is the highest we have recorded here in 4 weeks. The Swansea average has fallen 0.6p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.00/gal175.9p/L
- Average
- £7.92/gal174.3p/L
- Lowest
- £7.81/gal171.7p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.07/gal199.6p/L
- Lowest
- £8.86/gal194.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.91/gal195.9p/L
- Average
- £8.66/gal190.5p/L
- Lowest
- £8.09/gal177.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.00/gal219.9p/L
- Average
- £10.00/gal220.0p/L
- Lowest
- £9.72/gal213.9p/L
All forecourts in Swansea
23 forecourts in Swansea, with live prices and full addresses. Showing 16 to 23.
Wind Road, Ystradgynlais, Swansea · SA9 1AD
DirectionsDiesel B7
Premium E5
Diesel B7
Premium E5
Super Diesel
Merco, Glebe Road, Loughor, Swansea · SA4 6SR
Usually cheapest midnight to 5am, priciest 1pm to 6pm here
DirectionsDiesel B7
Diesel B7
Premium E5
Diesel B7
Premium E5
Super Diesel
Shell Uk Ltd, Broadway Service Station, Cockett Road, Cockett, Swansea · SA2 0FA
DirectionsDiesel B7
Diesel B7
Premium E5
Super Diesel
Swansea Service Area, M4 J47, Swansea, West Glamorgan · SA4 9GT
Usually cheapest 1pm to 2pm, priciest 8pm to 10pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Search near Swansea
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Tesco
Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea
167.9p/L
Cheapest reported diesel
Murco
Continental Service Station (abercrave) Ltd, Caerbont, Abercrave, Swansea
194.9p/L
By fuel grade in Swansea
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 Swansea
- What is the average petrol price in Swansea?
- The average unleaded (E10) petrol price in Swansea is currently 174.3p per litre (approx. £7.92/gal), based on live data from 23 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Swansea?
- The average diesel (B7) price in Swansea 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 Swansea?
- Tesco at Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea currently has the cheapest reported unleaded petrol in Swansea at 167.9p per litre (approx. £7.63/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Swansea?
- According to official UK government fuel price data, Swansea Service Area (SA4 9GT) currently has the highest reported unleaded (E10) price in Swansea at 195.9p per litre (approx. £8.91/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Swansea?
- 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.