Live prices
Cheapest petrol and diesel prices in Welwyn Garden City
3 forecourts tracked in Welwyn Garden City (3 reporting unleaded (E10), 3 reporting diesel (B7), 3 reporting premium (E5), 2 reporting super diesel). Prices last refreshed at 5:32pm on 14 September 2026.
The cheapest reported unleaded petrol (E10) in Welwyn Garden City is £7.72 a gallon (169.9p per litre) at Morrisons, Black Fan Road, Welwyn Garden City, Hertfordshire. The average across 3 forecourts currently reporting this grade is £7.86 a gallon (172.9p 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 1.7p per litre above the UK average of 171.2p.
The average has risen 0.3p per litre since yesterday. The average has risen 2.0p per litre since last week.
Prices last refreshed at 5:32pm on 14 September 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 Welwyn Garden City is the highest we have recorded here in 4 weeks. The Welwyn Garden City average has risen 1.3p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.00/gal175.9p/L
- Average
- £7.86/gal172.9p/L
- Lowest
- £7.72/gal169.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £8.91/gal195.9p/L
- Average
- £8.85/gal194.6p/L
- Lowest
- £8.91/gal195.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.31/gal204.9p/L
- Average
- £8.80/gal193.6p/L
- Lowest
- £8.45/gal185.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.00/gal219.9p/L
- Average
- £9.77/gal214.9p/L
- Lowest
- £9.54/gal209.9p/L
All forecourts in Welwyn Garden City
3 forecourts in Welwyn Garden City, with live prices and full addresses. Showing 1 to 3.
Black Fan Road, Welwyn Garden City, Hertfordshire · AL7 1FP
DirectionsDiesel B7
Premium E5
Diesel B7
Premium E5
Super Diesel
Stanborough Road, Welwyn Garden City, Hertfordshire · AL8 6XA
Usually cheapest 10am to 3pm, priciest 4pm to 9pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Search near Welwyn Garden City
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Morrisons
Black Fan Road, Welwyn Garden City, Hertfordshire
169.9p/L
Cheapest reported diesel
Morrisons
Black Fan Road, Welwyn Garden City, Hertfordshire
191.9p/L
By fuel grade in Welwyn Garden City
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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 Welwyn Garden City
- What is the average petrol price in Welwyn Garden City?
- The average unleaded (E10) petrol price in Welwyn Garden City is currently 172.9p per litre (approx. £7.86/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 Welwyn Garden City?
- The average diesel (B7) price in Welwyn Garden City is currently 194.6p per litre (approx. £8.85/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Welwyn Garden City?
- Morrisons at Black Fan Road, Welwyn Garden City, Hertfordshire currently has the cheapest reported unleaded petrol in Welwyn Garden City 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 Welwyn Garden City?
- According to official UK government fuel price data, Shell Little Waitrose Welwyn Garden (AL8 6XA) currently has the highest reported unleaded (E10) price in Welwyn Garden City at 175.9p per litre (approx. £8.00/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Welwyn Garden City?
- 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.