Live prices
Cheapest petrol and diesel prices in Cwmbran
2 forecourts tracked in Cwmbran (2 reporting unleaded (E10), 2 reporting diesel (B7), 2 reporting premium (E5), 1 reporting super diesel). Prices last refreshed at 8:31am on 19 September 2026.
The cheapest reported unleaded petrol (E10) in Cwmbran is £7.50 a gallon (164.9p per litre) at Sainsbury's, Llewellyn Road, Cwmbran. The average across 2 forecourts currently reporting this grade is £7.51 a gallon (165.3p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £0.20 on a 50-litre fill. That local average is 7.4p per litre below the UK average of 172.7p.
The average has fallen 0.5p per litre since yesterday. The average has risen 3.0p per litre since last week.
Prices last refreshed at 8:31am on 19 September 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 Cwmbran has ranged between 156.7p and 165.7p per litre. The Cwmbran average has risen 3.0p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £7.53/gal165.7p/L
- Average
- £7.51/gal165.3p/L
- Lowest
- £7.50/gal164.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £8.62/gal189.7p/L
- Average
- £8.58/gal188.8p/L
- Lowest
- £8.54/gal187.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.04/gal176.9p/L
- Average
- £7.83/gal172.3p/L
- Lowest
- £7.62/gal167.7p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £9.04/gal198.9p/L
- Average
- £9.04/gal198.9p/L
- Lowest
- £9.04/gal198.9p/L
All forecourts in Cwmbran
2 forecourts in Cwmbran, with live prices and full addresses. Showing 1 to 2.
Llewellyn Road, Cwmbran · NP44 1UL
Usually cheapest midnight to 5am, priciest 11pm to midnight here
DirectionsDiesel B7
Premium E5
Avondale Service Station, Avondale Road, Pontrhydyrun, Cwmbran, NP44 1TT, Cwmbran · NP44 1TT
Usually cheapest midnight to 5am, priciest 10am to 3pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Search near Cwmbran
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Sainsbury's
Llewellyn Road, Cwmbran
164.9p/L
Cheapest reported diesel
Sainsbury's
Llewellyn Road, Cwmbran
187.9p/L
By fuel grade in Cwmbran
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 Cwmbran
- What is the average petrol price in Cwmbran?
- The average unleaded (E10) petrol price in Cwmbran is currently 165.3p per litre (approx. £7.51/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 Cwmbran?
- The average diesel (B7) price in Cwmbran is currently 188.8p per litre (approx. £8.58/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Cwmbran?
- Sainsbury's at Llewellyn Road, Cwmbran currently has the cheapest reported unleaded petrol in Cwmbran at 164.9p per litre (approx. £7.50/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Cwmbran?
- According to official UK government fuel price data, Avondale Service Station (NP44 1TT) currently has the highest reported unleaded (E10) price in Cwmbran at 165.7p per litre (approx. £7.53/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Cwmbran?
- 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.