Live prices
Cheapest petrol and diesel prices in Penzance
4 forecourts tracked in Penzance (4 reporting unleaded (E10), 4 reporting diesel (B7), 2 reporting premium (E5), 2 reporting super diesel). Prices last refreshed at 2:02pm on 20 September 2026.
The cheapest reported unleaded petrol (E10) in Penzance is £7.72 a gallon (169.9p per litre) at Morrisons, Long Rock Bypass, Penzance, Cornwall. The average across 4 forecourts currently reporting this grade is £7.90 a gallon (173.7p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £1.90 on a 50-litre fill. That local average is 1.2p per litre above the UK average of 172.5p.
The average is unchanged since yesterday. The average has risen 4.5p per litre since last week.
Prices last refreshed at 2:02pm on 20 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 169.9p per litre, the cheapest unleaded in Penzance is the highest we have recorded here in 4 weeks. The Penzance average has risen 4.5p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £7.72/gal169.9p/L
- Average
- £7.90/gal173.7p/L
- Lowest
- £7.72/gal169.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £8.72/gal191.9p/L
- Average
- £9.01/gal198.2p/L
- Lowest
- £8.63/gal189.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.45/gal185.9p/L
- Average
- £8.45/gal185.9p/L
- Lowest
- £8.45/gal185.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £9.36/gal205.9p/L
- Average
- £9.27/gal203.9p/L
- Lowest
- £9.18/gal201.9p/L
All forecourts in Penzance
4 forecourts in Penzance, with live prices and full addresses. Showing 1 to 4.
Western Promenade Road, Wherrytown, Penzance · TR18 4NP
Usually cheapest 8am to 1pm, priciest 9pm to midnight here
DirectionsDiesel B7
Premium E5
Super Diesel
Long Rock Bypass, Penzance, Cornwall · TR20 8HT
Usually cheapest midnight to 5am, priciest 3pm to 8pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Newtown Services, Newtown, Germoe, Penzance, TR20 9AB, Penzance · TR20 9AB
Usually cheapest midnight to 5am, priciest 2pm to 7pm here
DirectionsDiesel B7
Trewellard Garage Petrol Station, Pendeen, Penzance · TR19 7SP
Usually cheapest midnight to 5am, priciest 5pm to 10pm here
DirectionsDiesel B7
Search near Penzance
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Morrisons
Long Rock Bypass, Penzance, Cornwall
169.9p/L
Cheapest reported diesel
Asda
Western Promenade Road, Wherrytown, Penzance
189.9p/L
By fuel grade in Penzance
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 Penzance
- What is the average petrol price in Penzance?
- The average unleaded (E10) petrol price in Penzance is currently 173.7p per litre (approx. £7.90/gal), based on live data from 4 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Penzance?
- The average diesel (B7) price in Penzance is currently 198.2p per litre (approx. £9.01/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Penzance?
- Morrisons at Long Rock Bypass, Penzance, Cornwall currently has the cheapest reported unleaded petrol in Penzance at 169.9p per litre (approx. £7.72/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Penzance?
- According to official UK government fuel price data, Trewellard Garage Petrol Station (TR19 7SP) currently has the highest reported unleaded (E10) price in Penzance at 179.9p per litre (approx. £8.18/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Penzance?
- 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.