Live prices
Cheapest petrol and diesel prices in Carshalton
3 forecourts tracked in Carshalton (3 reporting unleaded (E10), 3 reporting diesel (B7), 3 reporting premium (E5), 3 reporting super diesel). Prices last refreshed at 11:32am on 20 September 2026.
The cheapest reported unleaded petrol (E10) in Carshalton is £8.04 a gallon (176.9p per litre) at BP, 322-332 Carshalton Road, Carshalton, Surrey. The average across 3 forecourts currently reporting this grade is £8.10 a gallon (178.2p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £0.65 on a 50-litre fill. That local average is 5.7p per litre above the UK average of 172.5p.
The average is unchanged since yesterday. The average has risen 1.6p per litre since last week.
Prices last refreshed at 11:32am on 20 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 176.9p per litre, the cheapest unleaded in Carshalton is the highest we have recorded here in 4 weeks. The Carshalton average has risen 1.7p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.18/gal179.9p/L
- Average
- £8.10/gal178.2p/L
- Lowest
- £8.04/gal176.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.04/gal198.9p/L
- Lowest
- £9.00/gal197.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.04/gal198.9p/L
- Lowest
- £9.00/gal197.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.00/gal219.9p/L
- Average
- £10.06/gal221.2p/L
- Lowest
- £9.95/gal218.9p/L
All forecourts in Carshalton
3 forecourts in Carshalton, with live prices and full addresses. Showing 1 to 3.
322-332 Carshalton Road, Carshalton, Surrey · SM5 3QB
Usually cheapest midnight to 5am, priciest 5pm to 10pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Green Wrythe Lane, Carshalton, Surrey · SM5 2DR
Usually cheapest midnight to 5am, priciest 4pm to 9pm here
DirectionsDiesel B7
Premium E5
Super Diesel
123-125 Wrythe Lane, Carshalton, London · SM5 2RU
Usually cheapest midnight to 5am, priciest 4pm to 9pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Search near Carshalton
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
BP
322-332 Carshalton Road, Carshalton, Surrey
176.9p/L
Cheapest reported diesel
BP
322-332 Carshalton Road, Carshalton, Surrey
197.9p/L
By fuel grade in Carshalton
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 Carshalton
- What is the average petrol price in Carshalton?
- The average unleaded (E10) petrol price in Carshalton is currently 178.2p per litre (approx. £8.10/gal), based on live data from 3 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Carshalton?
- The average diesel (B7) price in Carshalton 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 Carshalton?
- BP at 322-332 Carshalton Road, Carshalton, Surrey currently has the cheapest reported unleaded petrol in Carshalton at 176.9p per litre (approx. £8.04/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Carshalton?
- According to official UK government fuel price data, Shell St Helier (SM5 2RU) currently has the highest reported unleaded (E10) price in Carshalton 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 Carshalton?
- 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.