Live prices
Cheapest petrol and diesel prices in Brentford
3 forecourts tracked in Brentford (3 reporting unleaded (E10), 3 reporting diesel (B7), 3 reporting premium (E5)). Prices last refreshed at 7:02am on 20 September 2026.
The cheapest reported unleaded petrol (E10) in Brentford is £7.77 a gallon (170.9p per litre) at Jet, Jet, 400-403, High Street, Brentford. The average across 3 forecourts currently reporting this grade is £7.81 a gallon (171.9p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £0.50 on a 50-litre fill. That local average is 0.6p per litre below the UK average of 172.5p.
The average is unchanged since yesterday. The average has risen 1.3p per litre since last week.
Prices last refreshed at 7:02am on 20 September 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 Brentford is the highest we have recorded here in 4 weeks. The Brentford average has risen 1.0p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £7.86/gal172.9p/L
- Average
- £7.81/gal171.9p/L
- Lowest
- £7.77/gal170.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.01/gal198.2p/L
- Lowest
- £9.04/gal198.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.77/gal192.9p/L
- Average
- £8.66/gal190.6p/L
- Lowest
- £8.72/gal191.9p/L
Super Diesel Prices
Super Diesel (SDV)
Not enough current price data.
All forecourts in Brentford
3 forecourts in Brentford, with live prices and full addresses. Showing 1 to 3.
Jet, 400-403, High Street, Brentford · TW8 0DU
Usually cheapest midnight to 5am, priciest 2pm to 7pm here
DirectionsDiesel B7
Premium E5
Diesel B7
Premium E5
Great West Road, Brentford, London · TW8 9AD
Usually cheapest midnight to 5am, priciest 2pm to 7pm here
DirectionsDiesel B7
Premium E5
Search near Brentford
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Jet
Jet, 400-403, High Street, Brentford
170.9p/L
Cheapest reported diesel
Jet
Jet, 400-403, High Street, Brentford
195.9p/L
By fuel grade in Brentford
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 Brentford
- What is the average petrol price in Brentford?
- The average unleaded (E10) petrol price in Brentford is currently 171.9p per litre (approx. £7.81/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 Brentford?
- The average diesel (B7) price in Brentford is currently 198.2p per litre (approx. £9.01/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Brentford?
- Jet at Jet, 400-403, High Street, Brentford currently has the cheapest reported unleaded petrol in Brentford 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 Brentford?
- According to official UK government fuel price data, Rontec The Dome (TW8 9AD) currently has the highest reported unleaded (E10) price in Brentford at 172.9p per litre (approx. £7.86/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Brentford?
- 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.