Live prices
Cheapest petrol and diesel prices in Warminster
6 forecourts tracked in Warminster (6 reporting unleaded (E10), 6 reporting diesel (B7), 5 reporting premium (E5), 5 reporting super diesel). Prices last refreshed at 10:02am on 20 September 2026.
The cheapest reported unleaded petrol (E10) in Warminster is £7.72 a gallon (169.9p per litre) at Morrisons, Weymouth Street, Warminster, Wiltshire. The average across 6 forecourts currently reporting this grade is £7.94 a gallon (174.6p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.35 on a 50-litre fill. That local average is 2.1p per litre above the UK average of 172.5p.
The average is unchanged since yesterday. The average has risen 3.9p per litre since last week.
Prices last refreshed at 10:02am on 20 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 Warminster is the highest we have recorded here in 4 weeks. The Warminster average has risen 3.8p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.00/gal175.9p/L
- Average
- £7.94/gal174.6p/L
- Lowest
- £7.72/gal169.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.00/gal197.9p/L
- Average
- £9.07/gal199.6p/L
- Lowest
- £8.86/gal194.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.72/gal191.9p/L
- Average
- £8.72/gal191.9p/L
- Lowest
- £8.45/gal185.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.13/gal222.9p/L
- Average
- £9.78/gal215.1p/L
- Lowest
- £10.04/gal220.9p/L
All forecourts in Warminster
6 forecourts in Warminster, with live prices and full addresses. Showing 1 to 6.
Weymouth Street, Warminster, Wiltshire · BA12 9NT
Usually cheapest 6am to 11am, priciest 7pm to midnight here
DirectionsDiesel B7
Premium E5
Super Diesel
Sand Street, Longbridge Deverill, Warminster · BA12 7DS
Usually cheapest midnight to 5am, priciest 11am to 4pm here
DirectionsDiesel B7
Premium E5
Super Diesel
East Street, Warminster · BA12 9BJ
Usually cheapest midnight to 5am, priciest 8pm to midnight here
DirectionsDiesel B7
Premium E5
Super Diesel
New Road Service Station, New Road, Codford, Warminster, BA12 0NS, Warminster · BA12 0NS
DirectionsDiesel B7
Warminster Service Area, Bath Road, Warminster, Wiltshire · BA12 7RU
Usually cheapest 4am to 9am, priciest 9am to 2pm here
DirectionsDiesel B7
Premium E5
Super Diesel
A303 West Knoyle, Warminster · BA12 6AQ
Usually cheapest midnight to 5am, priciest 9pm to midnight here
DirectionsDiesel B7
Premium E5
Super Diesel
Search near Warminster
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Morrisons
Weymouth Street, Warminster, Wiltshire
169.9p/L
Cheapest reported diesel
BP
Sand Street, Longbridge Deverill, Warminster
194.9p/L
By fuel grade in Warminster
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 Warminster
- What is the average petrol price in Warminster?
- The average unleaded (E10) petrol price in Warminster is currently 174.6p per litre (approx. £7.94/gal), based on live data from 6 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Warminster?
- The average diesel (B7) price in Warminster is currently 199.6p per litre (approx. £9.07/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Warminster?
- Morrisons at Weymouth Street, Warminster, Wiltshire currently has the cheapest reported unleaded petrol in Warminster 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 Warminster?
- According to official UK government fuel price data, Asda Willoughby Hedge Express Petrol (BA12 6AQ) currently has the highest reported unleaded (E10) price in Warminster at 185.9p per litre (approx. £8.45/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Warminster?
- 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.