What is the average petrol price in Welwyn?

The average unleaded (E10) petrol price in Welwyn is currently 166.9p per litre (approx. £7.59/gal), based on live data from 1 forecourt reporting this grade. Prices are updated every 30 minutes from official UK government data.

What is the average diesel price in Welwyn?

The average diesel (B7) price in Welwyn is currently 181.9p per litre (approx. £8.27/gal). This is based on live data from forecourts in the area, updated every 30 minutes.

Which is the cheapest petrol station in Welwyn?

BP at WELWYN BY-PASS, WELWYN, HERTFORDSHIRE currently has the cheapest reported unleaded petrol in Welwyn at 166.9p per litre (approx. £7.59/gal). Prices change regularly, so check this page for the latest.

How do I find the cheapest fuel near Welwyn?

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.

Live prices

Cheapest petrol and diesel prices in Welwyn

1 forecourt tracked in Welwyn (1 reporting unleaded (E10), 1 reporting diesel (B7), 1 reporting premium (E5), 1 reporting super diesel). Prices last refreshed at 9:31pm on 30 July 2026.

The cheapest reported unleaded petrol (E10) in Welwyn is 166.9p per litre at BP, WELWYN BY-PASS, WELWYN, HERTFORDSHIRE. That local average is 7.1p per litre above the UK average of 159.8p.

The average is unchanged since yesterday. The average has risen 7.0p 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: 166.9p/lapprox. £7.59/gal
Average: 166.9p/lapprox. £7.59/gal
Lowest: 166.9p/lapprox. £7.59/gal

Diesel Prices

Diesel (B7)

Highest: 181.9p/lapprox. £8.27/gal
Average: 181.9p/lapprox. £8.27/gal
Lowest: 181.9p/lapprox. £8.27/gal

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: 187.9p/lapprox. £8.54/gal
Average: 187.9p/lapprox. £8.54/gal
Lowest: 187.9p/lapprox. £8.54/gal

Super Diesel Prices

Super Diesel (SDV)

Highest: 202.9p/lapprox. £9.22/gal
Average: 202.9p/lapprox. £9.22/gal
Lowest: 202.9p/lapprox. £9.22/gal

All forecourts in Welwyn

Sort by

Cheapest unleaded e10

WELWYN BY-PASS, WELWYN, HERTFORDSHIRE · AL6 9HP

Usually cheapest 2am to 7am, priciest 5pm to 10pm here

Directions

166.9p/L

approx. £7.59/gal

Diesel B7

181.9p

approx. £8.27/gal

Premium E5

187.9p

approx. £8.54/gal

Super Diesel

202.9p

approx. £9.22/gal

Search near Welwyn

Ask the fuel analyst

Answers come straight from recorded official price data, refreshed every 30 minutes.

Cheapest reported unleaded

WELWYN BY-PASS, WELWYN, HERTFORDSHIRE

166.9p/L

Cheapest reported diesel

WELWYN BY-PASS, WELWYN, HERTFORDSHIRE

181.9p/L

By fuel grade in Welwyn

Cheapest unleaded petrol (E10) in Welwyn Cheapest diesel (B7) in Welwyn Cheapest premium unleaded (E5) in Welwyn Cheapest super diesel in Welwyn 24-hour petrol stations in Welwyn

Nearby areas

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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

What is the average petrol price in Welwyn?: The average unleaded (E10) petrol price in Welwyn is currently 166.9p per litre (approx. £7.59/gal), based on live data from 1 forecourt reporting this grade. Prices are updated every 30 minutes from official UK government data.
What is the average diesel price in Welwyn?: The average diesel (B7) price in Welwyn is currently 181.9p per litre (approx. £8.27/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
Which is the cheapest petrol station in Welwyn?: BP at WELWYN BY-PASS, WELWYN, HERTFORDSHIRE currently has the cheapest reported unleaded petrol in Welwyn at 166.9p per litre (approx. £7.59/gal). Prices change regularly, so check this page for the latest.
How do I find the cheapest fuel near Welwyn?: 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.