Live prices
Cheapest petrol and diesel prices in Grantham
12 forecourts tracked in Grantham (12 reporting unleaded (E10), 12 reporting diesel (B7), 10 reporting premium (E5), 9 reporting super diesel). Prices last refreshed at 5:02pm on 18 October 2026.
The cheapest reported unleaded petrol (E10) in Grantham is £7.85 a gallon (172.7p per litre) at Asda, Union Street, Grantham. The average across 12 forecourts currently reporting this grade is £8.01 a gallon (176.3p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £1.80 on a 50-litre fill. That local average is 2.1p per litre above the UK average of 174.2p.
The average is unchanged since yesterday. The average has fallen 0.6p per litre since last week.
Prices last refreshed at 5:02pm on 18 October 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Over the past 4 weeks the cheapest unleaded in Grantham has ranged between 168.9p and 173.9p per litre. The Grantham average has fallen 0.6p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.00/gal175.9p/L
- Average
- £8.01/gal176.3p/L
- Lowest
- £7.85/gal172.7p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.27/gal203.9p/L
- Average
- £9.18/gal201.9p/L
- Lowest
- £8.94/gal196.7p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.95/gal196.9p/L
- Average
- £8.87/gal195.1p/L
- Lowest
- £8.36/gal183.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.00/gal219.9p/L
- Average
- £10.02/gal220.5p/L
- Lowest
- £9.68/gal212.9p/L
All forecourts in Grantham
12 forecourts in Grantham, with live prices and full addresses. Showing 1 to 12.
Diesel B7
Diesel B7
Premium E5
Great North Road, Great Ponton, Grantham, Lincolnshire · NG33 5DW
DirectionsDiesel B7
Premium E5
Super Diesel
Diesel B7
Premium E5
Jubilee Service Station, Colsterworth, Grantham, NG33 5JL, Grantham · NG33 5JL
DirectionsDiesel B7
Premium E5
Super Diesel
Ancaster Service Station, The Garage, Willoughby Road, Ancaster, Grantham, South Kesteven · NG32 3RT
DirectionsDiesel B7
Premium E5
Super Diesel
Diesel B7
Premium E5
Super Diesel
Diesel B7
Premium E5
Super Diesel
Diesel B7
Super Diesel
Diesel B7
Premium E5
Super Diesel
Diesel B7
Premium E5
Super Diesel
Grantham Service Area, A1 Great North Road Southbound, Grantham, Lincolnshire · NG32 2AB
DirectionsDiesel B7
Premium E5
Super Diesel
Search near Grantham
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Asda
Union Street, Grantham
172.7p/L
Cheapest reported diesel
Asda
Union Street, Grantham
196.7p/L
By fuel grade in Grantham
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 Grantham
- What is the average petrol price in Grantham?
- The average unleaded (E10) petrol price in Grantham is currently 176.3p per litre (approx. £8.01/gal), based on live data from 12 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Grantham?
- The average diesel (B7) price in Grantham is currently 201.9p per litre (approx. £9.18/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Grantham?
- Asda at Union Street, Grantham currently has the cheapest reported unleaded petrol in Grantham at 172.7p per litre (approx. £7.85/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Grantham?
- According to official UK government fuel price data, Grantham Service Area (NG32 2AB) currently has the highest reported unleaded (E10) price in Grantham at 195.9p per litre (approx. £8.91/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Grantham?
- 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.