Live prices
Cheapest petrol and diesel prices in Y Fenni
3 forecourts tracked in Y Fenni (3 reporting unleaded (E10), 3 reporting diesel (B7), 3 reporting premium (E5)). Prices last refreshed at 5:04pm on 4 November 2026.
The cheapest reported unleaded petrol (E10) in Y Fenni is £7.77 a gallon (170.9p per litre) at Gulf, Gilwern Garage, Crickhowell Road, Gilwern, Y Fenni, NP7 0DF, Y Fenni. The average across 3 forecourts currently reporting this grade is £7.95 a gallon (174.9p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £2.00 on a 50-litre fill. That local average is 3.9p per litre above the UK average of 171.0p.
The average is unchanged since yesterday. The average is unchanged since last week.
Prices last refreshed at 5:04pm on 4 November 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 170.9p per litre, the cheapest unleaded in Y Fenni is the lowest we have recorded here in 4 weeks. The Y Fenni average has held steady over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.04/gal176.9p/L
- Average
- £7.95/gal174.9p/L
- Lowest
- £8.04/gal176.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.54/gal209.9p/L
- Average
- £9.26/gal203.6p/L
- Lowest
- £9.54/gal209.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.09/gal199.9p/L
- Average
- £8.66/gal190.6p/L
- Lowest
- £8.22/gal180.9p/L
Super Diesel Prices
Super Diesel (SDV)
Not enough current price data.
All forecourts in Y Fenni
3 forecourts in Y Fenni, with live prices and full addresses. Showing 1 to 3.
Gilwern Garage, Crickhowell Road, Gilwern, Y Fenni, NP7 0DF, Y Fenni · NP7 0DF
DirectionsDiesel B7
Premium E5
Oaklands House, Crickhowell Road, Gilwern, Y Fenni, NP7 0DF, Y Fenni · NP7 0DF
DirectionsDiesel B7
Premium E5
Gilwern Garage, Crickhowell Road, Gilwern, Y Fenni, NP7 0DF, Y Fenni · NP7 0DF
DirectionsDiesel B7
Premium E5
Search near Y Fenni
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Gulf
Gilwern Garage, Crickhowell Road, Gilwern, Y Fenni, NP7 0DF, Y Fenni
170.9p/L
Cheapest reported diesel
Gulf
Gilwern Garage, Crickhowell Road, Gilwern, Y Fenni, NP7 0DF, Y Fenni
190.9p/L
By fuel grade in Y Fenni
Nearby areas
Save more as a driver
Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.
Questions about fuel prices in Y Fenni
- What is the average petrol price in Y Fenni?
- The average unleaded (E10) petrol price in Y Fenni is currently 174.9p per litre (approx. £7.95/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 Y Fenni?
- The average diesel (B7) price in Y Fenni is currently 203.6p per litre (approx. £9.26/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Y Fenni?
- Gulf at Gilwern Garage, Crickhowell Road, Gilwern, Y Fenni, NP7 0DF, Y Fenni currently has the cheapest reported unleaded petrol in Y Fenni at 170.9p per litre (approx. £7.77/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Y Fenni?
- According to official UK government fuel price data, Universal Service Stations Ltd (NP7 0DF) currently has the highest reported unleaded (E10) price in Y Fenni at 176.9p per litre (approx. £8.04/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Y Fenni?
- 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.