Live prices
Cheapest petrol and diesel near SG6
18 forecourts within 5 miles of the centre of the SG6 postcode district, 5 of them inside SG6 itself.
The cheapest reported unleaded petrol (E10) within 5 miles of the centre of SG6 is £7.63 a gallon (167.9p per litre) at Sainsbury's, Third Avenue, Letchworth (SG6 2HX). The average across 18 forecourts currently reporting this grade is £7.95 a gallon (174.9p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £3.50 on a 50-litre fill. That local average is 2.5p per litre above the UK average of 172.4p.
The average has risen 4.0p per litre since yesterday. The average has risen 5.8p per litre since last week.
Prices last refreshed at 2:02am on 20 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.54/gal187.9p/L
- Average
- £7.95/gal174.9p/L
- Lowest
- £7.63/gal167.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.36/gal205.9p/L
- Average
- £8.96/gal197.1p/L
- Lowest
- £8.54/gal187.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.77/gal214.9p/L
- Average
- £8.79/gal193.4p/L
- Lowest
- £8.18/gal179.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.22/gal224.9p/L
- Average
- £9.90/gal217.7p/L
- Lowest
- £9.22/gal202.9p/L
Every station near SG6, cheapest unleaded first
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 Sainsburys Letchworth (SG6 2HX)Third Avenue, Letchworth | 0.8 miles | £7.63167.9p | £8.59188.9p | £8.18179.9p | ---- | 14h ago |
| Sainsburys Coreys Mill (SG1 4AE)Hitchin Road, Stevenage | 3.7 miles | £7.68168.9p | £8.54187.9p | £8.22180.9p | ---- | 14h ago |
 Asda Lytton Way Express Petrol (SG1 3BT)24hLytton Way, Stevenage, Hertfordshire | 4.9 miles | £7.68168.9p | £8.77192.9p | £8.54187.9p | £9.63211.9p | 14h ago |
 Baldock Extra - Petrol Filling Station (SG7 6BN)24h58 High ST, Baldock | 1.6 miles | £7.72169.9p | £8.63189.9p | £8.18179.9p | ---- | 14h ago |
 Letchworth Service Station (SG6 4AD)Icknield Garage, Icknield Way, Letchworth Garden City, SG6 4AD, Letchworth Garden City | 0.6 miles | £7.77170.9p | £8.77192.9p | £8.22180.9p | £9.22202.9p | 14h ago |
 Ascona Henlow Service Station (SG16 6DZ)50 Bedford Road, Henlow, Henlow, Bedfordshire | 4 miles | £7.81171.7p | £8.90195.7p | ---- | ---- | 14h ago |
 Welcome Break Northway (SG7 5EX)24hA1, Hinxworth, Baldock | 3.4 miles | £7.86172.9p | £8.86194.9p | £8.41184.9p | £9.41206.9p | 14h ago |
| Rontec Letchworth (SG6 2AZ)Letchworth Gate, Letchworth Garden City, Hertfordshire | 0.7 miles | £7.86172.9p | £9.09199.9p | £8.72191.9p | ---- | 14h ago |
| Asda Icknield Way Express Petrol (SG6 1BS)24hNorton Way North, Letchworth | 0.3 miles | £7.86172.9p | £8.91195.9p | £8.72191.9p | £9.77214.9p | 14h ago |
 Mfg Jackmans (SG6 2EJ)Baldock Road, Letchworth Garden City, Hertfordshire | 0.5 miles | £7.86172.9p | £9.09199.9p | £8.63189.9p | £9.82215.9p | 14h ago |
| Mfg Stotfold (SG5 4HB)Arlesey Road, Hitchin, Hertfordshire | 2.7 miles | £7.91173.9p | £9.09199.9p | £8.63189.9p | £9.82215.9p | 14h ago |
| Astwick (SG5 4BL)24hHighway Stops, Astwick Service Station, Great North Road, Stotfold, Hitchin, Central Bedfordshire | 3.5 miles | £7.91173.9p | £9.31204.9p | £8.81193.9p | £10.22224.9p | 14h ago |
 Shell Co-op Martin's Way (SG1 5RE)Bradman Way, Stevenage, Hertfordshire | 4.5 miles | £8.09177.9p | £9.09199.9p | £9.31204.9p | £10.22224.9p | 14h ago |
| Oakfield Sf Connect (SG4 9DT)Stevenage Road, Hitchin, Hertfordshire | 3.3 miles | £8.18179.9p | £9.00197.9p | £9.13200.9p | £9.95218.9p | 14h ago |
| Asda Nightingale Express Petrol (SG5 1RQ)24hNightingale Road, Hitchin | 2.6 miles | £8.22180.9p | £9.09199.9p | £9.09199.9p | £9.95218.9p | 14h ago |
| Shell Hitchin (SG5 2TY)Bedford Road, Hitchin, Hertfordshire | 3.2 miles | £8.27181.9p | £9.09199.9p | £9.54209.9p | £10.22224.9p | 14h ago |
| Westmill Service Station (SG5 2UG)24hWestmill Filling Station, Service Station, Bedford Road, Hitchin | 3 miles | £8.31182.9p | £9.09199.9p | £9.31204.9p | £10.22224.9p | 14h ago |
| Shell Baldock (SG7 5TR)24hA1 Jct 10, Baldock Road, Hertfordshire | 2.6 miles | £8.54187.9p | £9.36205.9p | £9.77214.9p | £10.22224.9p | 14h ago |
The market shown is a fixed 5-mile radius from the centre of the SG6 postcode district. Not every station reports every fuel grade, so grade averages state how many stations they cover. Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes.
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Answers come straight from recorded official price data, refreshed every 30 minutes.
By fuel grade near SG6
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Filling 50 litres at the cheapest reported station rather than an average-priced one saves about £3.50 today.
Questions about fuel prices near SG6
- Where is the cheapest petrol near SG6?
- The cheapest reported unleaded petrol (E10) within 5 miles of the centre of SG6 is 167.9p per litre at Sainsbury's, Third Avenue, Letchworth (SG6 2HX). The local average is 174.9p across 18 forecourts reporting this grade. Prices were last refreshed at 2:02am on 20 September 2026 from official UK Government fuel price data.
- Where is the cheapest diesel near SG6?
- The cheapest reported diesel (B7) within 5 miles of the centre of SG6 is 187.9p per litre at Sainsbury's, Hitchin Road, Stevenage (SG1 4AE). The local average is 197.1p per litre.
- How often are fuel prices in SG6 updated?
- Prices are supplied by fuel retailers through the official UK Government fuel price open data scheme and checked every 30 minutes. Each station row shows when its price was last recorded.