Live prices
Cheapest petrol and diesel prices in St. Austell
7 forecourts tracked in St. Austell (7 reporting unleaded (E10), 7 reporting diesel (B7), 6 reporting premium (E5), 4 reporting super diesel). Prices last refreshed at 11:03pm on 5 November 2026.
The cheapest reported unleaded petrol (E10) in St. Austell is £7.72 a gallon (169.9p per litre) at Texaco, Terras Garage, 62, Terras Road, ST. Stephen, ST. Austell. The average across 7 forecourts currently reporting this grade is £7.91 a gallon (173.9p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.00 on a 50-litre fill. That local average is 3.4p per litre above the UK average of 170.5p.
The average has fallen 1.0p per litre since yesterday. The average has fallen 2.3p per litre since last week.
Prices last refreshed at 11:03pm on 5 November 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 St. Austell is the lowest we have recorded here in 4 weeks. The St. Austell average has fallen 2.1p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.09/gal177.9p/L
- Average
- £7.91/gal173.9p/L
- Lowest
- £7.72/gal169.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.04/gal198.9p/L
- Lowest
- £8.95/gal196.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.45/gal185.9p/L
- Average
- £8.66/gal190.4p/L
- Lowest
- £8.36/gal183.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.00/gal219.9p/L
- Average
- £9.97/gal219.4p/L
- Lowest
- £9.91/gal217.9p/L
All forecourts in St. Austell
7 forecourts in St. Austell, with live prices and full addresses. Showing 1 to 7.
Terras Garage, 62, Terras Road, ST. Stephen, ST. Austell · PL26 7RX
Usually cheapest noon to 5pm, priciest midnight to 5am here
DirectionsDiesel B7
Premium E5
Penwyn Garage, Hendra Road, ST. Dennis, ST. Austell · PL26 8EQ
DirectionsDiesel B7
Premium E5
Daniels Lane, ST Austell · PL25 3HT
DirectionsDiesel B7
Premium E5
By-pass Filling Station, Southbourne Road, ST. Austell, PL25 4RS, ST. Austell · PL25 4RS
DirectionsDiesel B7
Premium E5
Super Diesel
Diesel B7
Super Diesel
Diesel B7
Premium E5
Super Diesel
Diesel B7
Premium E5
Super Diesel
Search near St. Austell
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Texaco
Terras Garage, 62, Terras Road, ST. Stephen, ST. Austell
169.9p/L
Cheapest reported diesel
Texaco
Victoria Square, Victoria, Roche, ST Austell, Cornwall
196.9p/L
By fuel grade in St. Austell
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 St. Austell
- What is the average petrol price in St. Austell?
- The average unleaded (E10) petrol price in St. Austell is currently 173.9p per litre (approx. £7.91/gal), based on live data from 7 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in St. Austell?
- The average diesel (B7) price in St. Austell is currently 198.9p per litre (approx. £9.04/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in St. Austell?
- Texaco at Terras Garage, 62, Terras Road, ST. Stephen, ST. Austell currently has the cheapest reported unleaded petrol in St. Austell 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 St. Austell?
- According to official UK government fuel price data, Shell Cornish Gateway (PL26 8UF) currently has the highest reported unleaded (E10) price in St. Austell at 177.9p per litre (approx. £8.09/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near St. Austell?
- 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.