Live prices
Cheapest petrol and diesel prices in Harrow
6 forecourts tracked in Harrow (6 reporting unleaded (E10), 6 reporting diesel (B7), 6 reporting premium (E5), 6 reporting super diesel). Prices last refreshed at 3:01am on 19 September 2026.
The cheapest reported unleaded petrol (E10) in Harrow is £7.81 a gallon (171.9p per litre) at Esso, 221 Alexandra Ave, Harrow. 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 £1.35 on a 50-litre fill. That local average is 2.1p per litre above the UK average of 172.5p.
The average has risen 0.5p per litre since yesterday. The average has risen 4.5p per litre since last week.
Prices last refreshed at 3:01am on 19 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 171.9p per litre, the cheapest unleaded in Harrow is the highest we have recorded here in 4 weeks. The Harrow average has risen 3.7p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.09/gal177.9p/L
- Average
- £7.94/gal174.6p/L
- Lowest
- £7.81/gal171.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.04/gal198.9p/L
- Lowest
- £8.95/gal196.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.09/gal199.9p/L
- Average
- £8.77/gal192.9p/L
- Lowest
- £8.63/gal189.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £9.82/gal215.9p/L
- Average
- £9.88/gal217.4p/L
- Lowest
- £9.82/gal215.9p/L
All forecourts in Harrow
6 forecourts in Harrow, with live prices and full addresses. Showing 1 to 6.
221 Alexandra Ave, Harrow · HA2 9DL
Usually cheapest 8am to 1pm, priciest 4pm to 9pm here
DirectionsDiesel B7
Premium E5
Super Diesel
140 Northolt Road, Harrow, Middlesex · HA2 0EG
Usually cheapest midnight to 5am, priciest 4pm to 9pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Belmont Circle, Harrow · HA3 8SF
Usually cheapest 8am to 1pm, priciest 8pm to midnight here
DirectionsDiesel B7
Premium E5
Super Diesel
Diesel B7
Premium E5
Super Diesel
609 Kenton Road, Harrow, Middlesex · HA3 9RY
Usually cheapest midnight to 5am, priciest 4pm to 9pm here
DirectionsDiesel B7
Premium E5
Super Diesel
Diesel B7
Premium E5
Super Diesel
Search near Harrow
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Esso
221 Alexandra Ave, Harrow
171.9p/L
Cheapest reported diesel
Esso
221 Alexandra Ave, Harrow
196.9p/L
By fuel grade in Harrow
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 Harrow
- What is the average petrol price in Harrow?
- The average unleaded (E10) petrol price in Harrow 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 Harrow?
- The average diesel (B7) price in Harrow is currently 198.9p per litre (approx. £9.04/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Harrow?
- Esso at 221 Alexandra Ave, Harrow currently has the cheapest reported unleaded petrol in Harrow at 171.9p per litre (approx. £7.81/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Harrow?
- According to official UK government fuel price data, Bessborough Sf Connect (HA1 3BS) currently has the highest reported unleaded (E10) price in Harrow at 177.9p per litre (approx. £8.09/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Harrow?
- 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.