Live prices
Cheapest petrol and diesel prices in Letchworth
2 forecourts tracked in Letchworth (2 reporting unleaded (E10), 2 reporting diesel (B7), 2 reporting premium (E5), 1 reporting super diesel). Prices last refreshed at 9:31pm on 30 July 2026.
The cheapest reported unleaded petrol (E10) in Letchworth is 155.9p per litre at SAINSBURY'S, THIRD AVENUE, LETCHWORTH. The average across 2 forecourts currently reporting this grade is 158.9p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £1.50 on a 50-litre fill. That local average is 0.9p per litre below the UK average of 159.8p.
The average has risen 1.5p per litre since yesterday. The average has risen 5.0p per litre since last week.
Prices last refreshed at 9:31pm on 30 July 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Unleaded Prices
Unleaded (E10)
- Highest
- 161.9p/lapprox. £7.36/gal
- Average
- 158.9p/lapprox. £7.22/gal
- Lowest
- 155.9p/lapprox. £7.09/gal
Diesel Prices
Diesel (B7)
- Highest
- 178.9p/lapprox. £8.13/gal
- Average
- 177.4p/lapprox. £8.06/gal
- Lowest
- 175.9p/lapprox. £8.00/gal
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- 180.9p/lapprox. £8.22/gal
- Average
- 174.4p/lapprox. £7.93/gal
- Lowest
- 167.9p/lapprox. £7.63/gal
Super Diesel Prices
Super Diesel (SDV)
- Highest
- 197.9p/lapprox. £9.00/gal
- Average
- 197.9p/lapprox. £9.00/gal
- Lowest
- 197.9p/lapprox. £9.00/gal
All forecourts in Letchworth
SAINSBURY'S
THIRD AVENUE, LETCHWORTH · SG6 2HX
Usually cheapest 1am to 6am, priciest 11pm to midnight here
Directions155.9p/L
approx. £7.09/gal
Diesel B7
175.9p
approx. £8.00/gal
Premium E5
167.9p
approx. £7.63/gal
ESSO
NORTON WAY NORTH, LETCHWORTH · SG6 1BS
Usually cheapest 4am to 9am, priciest 5pm to 10pm here
Directions161.9p/L
approx. £7.36/gal
Diesel B7
178.9p
approx. £8.13/gal
Premium E5
180.9p
approx. £8.22/gal
Super Diesel
197.9p
approx. £9.00/gal
Search near Letchworth
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
SAINSBURY'S
THIRD AVENUE, LETCHWORTH
155.9p/L
Cheapest reported diesel
SAINSBURY'S
THIRD AVENUE, LETCHWORTH
175.9p/L
By fuel grade in Letchworth
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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 Letchworth
- What is the average petrol price in Letchworth?
- The average unleaded (E10) petrol price in Letchworth is currently 158.9p per litre (approx. £7.22/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 Letchworth?
- The average diesel (B7) price in Letchworth is currently 177.4p per litre (approx. £8.06/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Letchworth?
- SAINSBURY'S at THIRD AVENUE, LETCHWORTH currently has the cheapest reported unleaded petrol in Letchworth at 155.9p per litre (approx. £7.09/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Letchworth?
- According to official UK government fuel price data, ESSO (SG6 1BS) currently has the highest reported unleaded (E10) price in Letchworth at 161.9p per litre (approx. £7.36/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Letchworth?
- 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.