Petrol and diesel prices in Welwyn
Cheapest petrol near Welwyn right now: 173.9p at Tesco Hatfield Extra, reported 15:26 on 14 Oct. Cheapest diesel: 195.9p at Tesco Hatfield Extra.
- Tesco Stevenage Broadwater Superstore showed 171.9p for petrol when it last reported, on 2 Oct. That price may have changed.
- Tesco Stevenage Broadwater Superstore showed 192.9p for diesel when it last reported, on 2 Oct. That price may have changed.
- No town within 15 miles has cheaper petrol than Welwyn's best price today.
Distance in miles from Welwyn town centre, as the crow flies. Showing stations within 5 miles.
Distance in miles from Welwyn town centre, as the crow flies. Showing stations within 5 miles.
Price trend
We started recording daily average prices in Welwyn on 16 October 2026. The trend chart appears here once there are a few days of data.
Not in central Welwyn?
Enter your postcode to sort stations by price, best value once the drive is counted, or distance.
All petrol stations in Welwyn
1 petrol station with a Welwyn address, cheapest petrol first.
| Station | Petrol | Diesel | Reported |
|---|---|---|---|
| BP Nodeway Sf ConnectWelwyn by-Pass, Welwyn, AL6 9HP · Open 24 hours | 176.9p | 201.9p | 14 Oct |
Supermarket fuel prices in and near Welwyn
3 Asda, 2 Tesco and 1 Morrisons forecourts within 5 miles of Welwyn, cheapest petrol first.
| Station | Petrol | Diesel | Miles |
|---|---|---|---|
| Tesco Stevenage Broadwater SuperstoreLondon Road, Stevenage, SG2 8DT | 171.9p | 192.9p | 4 |
| Asda Hatfield Superstore98 Town Centre, Hatfield, AL10 0JP | 172.7p | 196.7p | 4 |
| MFG Morrisons Welwyn Garden CityBlack Fan Road, Welwyn Garden City, AL7 1FP | 173.9p | 197.9p | 2 |
| Tesco Hatfield ExtraGreat North Road, Hatfield, AL9 5JY | 173.9p | 195.9p | 3 |
| Asda Broadwater Express PetrolBroadwater Crescent, Stevenage, SG2 8EH | 173.9p | 197.9p | 5 |
| Asda Stevenage Express PetrolGunnels Wood S/Stn, Arlington Business Park, Stevenage, SG1 2FS | 176.9p | 199.9p | 5 |
24-hour petrol stations in Welwyn
1 station sells fuel 24 hours a day in Welwyn, cheapest petrol first. Shop hours can be shorter; check the station page.
| Station | Petrol | Diesel | Miles |
|---|---|---|---|
| BP Nodeway Sf ConnectWelwyn by-Pass, Welwyn, AL6 9HP | 176.9p | 201.9p | <1 |
Super unleaded, premium diesel and AdBlue in Welwyn
Super unleaded (E5)
8 stations in and around Welwyn sell super unleaded (e5), averaging 193.5p a litre. The cheapest is Tesco Stevenage Broadwater Superstore at 181.9p.
Premium diesel
5 stations in and around Welwyn sell premium diesel, averaging 221.7p a litre. The cheapest is Asda Broadwater Express Petrol at 216.9p.
AdBlue
AdBlue at the pump at Asda Stevenage Express Petrol.
Fuel price alerts for Welwyn
Price alerts are coming soon. Join the waitlist and we'll email you when they start: an alert when fuel near you drops by 3p a litre or more, and the 10 cheapest pumps near your postcode every Friday.
Questions about fuel prices in Welwyn
Where is the cheapest petrol in Welwyn?
Today the cheapest petrol near Welwyn is 173.9p a litre at Tesco Hatfield Extra, Great North Road, Hatfield, AL9 5JY.
How much is diesel in Welwyn today?
Diesel averages 201.9p a litre across 1 forecourt in Welwyn, against a UK average of 199.2p.
Which supermarket has the cheapest petrol in Welwyn?
Tesco Stevenage Broadwater Superstore is cheapest at 171.9p a litre, 4 miles from the centre. We compare 6 supermarket forecourts in and near Welwyn above.
How up to date are these prices?
Forecourts report their prices to the government's Fuel Finder scheme and we refresh them twice a day. These were last updated 17:30 today. Each forecourt's table row shows the day its price was reported.
Is there a 24-hour petrol station in Welwyn?
Yes. BP Nodeway Sf Connect sells fuel 24 hours a day.