Live prices
Cheapest petrol and diesel near AL9
17 forecourts within 5 miles of the centre of the AL9 postcode district, 3 of them inside AL9 itself.
The cheapest reported unleaded petrol (E10) within 5 miles of the centre of AL9 is £7.72 a gallon (169.9p per litre) at Esso, 46 Barnet Road, Potters Bar, Hertfordshire (EN6 2QU). The average across 16 forecourts currently reporting this grade is £7.93 a gallon (174.4p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.25 on a 50-litre fill. That local average is 1.9p per litre above the UK average of 172.5p.
The average has risen 1.8p per litre since yesterday. The average has risen 4.8p per litre since last week.
Prices last refreshed at 3:32pm 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
- £8.63/gal189.9p/L
- Average
- £7.93/gal174.4p/L
- Lowest
- £7.72/gal169.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.91/gal217.9p/L
- Average
- £9.06/gal199.2p/L
- Lowest
- £8.77/gal192.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.59/gal210.9p/L
- Average
- £8.71/gal191.6p/L
- Lowest
- £8.22/gal180.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.50/gal230.9p/L
- Average
- £10.06/gal221.3p/L
- Lowest
- £9.82/gal215.9p/L
Every station near AL9, cheapest unleaded first
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 Mfg Potters Bar (EN6 2QU)46 Barnet Road, Potters Bar, Hertfordshire | 3.8 miles | £7.72169.9p | £8.91195.9p | £8.63189.9p | ---- | 30 mins ago |
 Potters Bar Superstore - Petrol Filling Station (EN6 2PB)24hMutton LN, Potters Bar | 3.6 miles | £7.72169.9p | £8.77192.9p | £8.22180.9p | ---- | 30 mins ago |
 Sainsburys Marshalswick (AL1 4UZ)185 Marshalswick Lane, ST Albans | 4.9 miles | £7.72169.9p | £8.81193.9p | £8.27181.9p | ---- | 30 mins ago |
 Asda Hatfield Superstore (AL10 0JP)24h98 Town Centre, Hatfield | 1.8 miles | £7.81171.7p | £8.81193.7p | ---- | ---- | 30 mins ago |
| Sainsburys London Colney (AL2 1AB)24hColney Fields Shopping Park, London Colney, ST. Albans | 4 miles | £7.81171.9p | £8.91195.9p | £8.36183.9p | ---- | 30 mins ago |
| Mfg Bell Bar (AL9 6DB)24hGreat North Road, Hatfield, Hertfordshire | 0.8 miles | £7.81171.9p | £9.09199.9p | £8.63189.9p | £9.82215.9p | 30 mins ago |
 Potters Bar Sf Connect (EN6 5AB)24h48 High Street, Potters Bar, Hertfordshire | 3.6 miles | £7.81171.9p | £8.95196.9p | £8.77192.9p | £9.91217.9p | 30 mins ago |
 Mfg Morrisons St Albans (AL1 4LW)24hHatfield Road, ST Albans, Hertfordshire | 5 miles | £7.86172.9p | £8.81193.9p | £8.45185.9p | ---- | 30 mins ago |
| Hatfield Extra - Petrol Filling Station (AL9 5JY)24hGreat North Road, Hatfield | 2.4 miles | £7.86172.9p | £8.86194.9p | £8.31182.9p | ---- | 30 mins ago |
| Mfg Morrisons Welwyn Garden City (AL7 1FP)Black Fan Road, Welwyn Garden City, Hertfordshire | 3.8 miles | £7.86172.9p | £8.91195.9p | £8.45185.9p | ---- | 30 mins ago |
| Welham Green (AL9 7NF)24hWelham Green Service Station, Dellsome Lane, Welham Green | 1.1 miles | £7.86172.9p | £9.31204.9p | £8.63189.9p | £10.00219.9p | 30 mins ago |
| Mfg Eastbridge (AL7 1LE)24hBridge Road East, Welwyn Garden City, Hertfordshire | 3.9 miles | £8.00175.9p | £9.09199.9p | £8.63189.9p | £9.82215.9p | 30 mins ago |
 Shell Little Waitrose Welwyn Garden (AL8 6XA)24hStanborough Road, Welwyn Garden City, Hertfordshire | 3.4 miles | £8.09177.9p | £9.09199.9p | £9.54209.9p | £10.22224.9p | 30 mins ago |
| Shell Co-op Orbital (AL4 0NG)24hNorth Orbital Road, ST Albans, Hertfordshire | 3.5 miles | £8.13178.9p | £9.09199.9p | £9.09199.9p | £10.22224.9p | 30 mins ago |
| Shell Smallford (AL4 0HP)608 Hatfield Road, ST. Albans, Hertfordshire | 3.1 miles | £8.13178.9p | £9.09199.9p | £9.09199.9p | £10.00219.9p | 30 mins ago |
| South Mimms Sf Connect Mwsa (EN6 3QQ)24hMotorwayST Albans Road, Potters Bar, Hertfordshire | 4.1 miles | £8.63189.9p | £9.54209.9p | £9.59210.9p | £10.50230.9p | 30 mins ago |
 Welcome Break South Mimms Truckstop (EN6 3NE)24hMotorwayST. Albans Road, Potters Bar, South Mimms, Hertforshire | 4.1 miles | ---- | £9.91217.9p | ---- | ---- | 30 mins ago |
The market shown is a fixed 5-mile radius from the centre of the AL9 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 AL9
Worth the drive?
Filling 50 litres at the cheapest reported station rather than an average-priced one saves about £2.25 today.
Questions about fuel prices near AL9
- Where is the cheapest petrol near AL9?
- The cheapest reported unleaded petrol (E10) within 5 miles of the centre of AL9 is 169.9p per litre at Esso, 46 Barnet Road, Potters Bar, Hertfordshire (EN6 2QU). The local average is 174.4p across 16 forecourts reporting this grade. Prices were last refreshed at 3:32pm on 20 September 2026 from official UK Government fuel price data.
- Where is the cheapest diesel near AL9?
- The cheapest reported diesel (B7) within 5 miles of the centre of AL9 is 192.9p per litre at Tesco, Mutton LN, Potters Bar (EN6 2PB). The local average is 199.2p per litre.
- How often are fuel prices in AL9 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.