What is the average petrol price in Swansea?

The average unleaded (E10) petrol price in Swansea is currently 162.6p per litre (approx. £7.39/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 182.7p per litre (approx. £8.31/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 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 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 186.9p per litre (approx. £8.50/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.

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 2:31pm on 25 August 2026.

The cheapest reported unleaded petrol (E10) in Swansea is £7.18 a gallon (157.9p per litre) at Tesco, Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea. The average across 23 forecourts currently reporting this grade is £7.39 a gallon (162.6p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.35 on a 50-litre fill. That local average is 1.0p per litre above the UK average of 161.6p.

The average has fallen 0.1p per litre since yesterday. The average has fallen 0.3p per litre since last week.

Prices last refreshed at 2:31pm on 25 August 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.

At 157.9p per litre, the cheapest unleaded in Swansea is the highest we have recorded here in 4 weeks. The Swansea average has held steady over the past week.

Unleaded Prices

Unleaded (E10)

Highest: £7.54/gal165.9p/L
Average: £7.39/gal162.6p/L
Lowest: £7.18/gal157.9p/L

Diesel Prices

Diesel (B7)

Highest: £8.41/gal184.9p/L
Average: £8.31/gal182.7p/L
Lowest: £8.17/gal179.7p/L

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: £8.31/gal182.9p/L
Average: £8.10/gal178.2p/L
Lowest: £7.63/gal167.9p/L

Super Diesel Prices

Super Diesel (SDV)

Highest: £9.27/gal203.9p/L
Average: £9.23/gal203.0p/L
Lowest: £8.91/gal195.9p/L

All forecourts in Swansea

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23 forecourts in Swansea, with live prices and full addresses. Showing 1 to 15.

Cheapest unleaded e10Swansea Pontardawe Superstore - Petrol Filling Station

Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea · SA8 3AZ

Cheapest petrol and diesel prices in Swansea

All forecourts in Swansea

Questions about fuel prices in Swansea