Live prices
Cheapest petrol and diesel prices in Blackwood
8 forecourts tracked in Blackwood (8 reporting unleaded (E10), 8 reporting diesel (B7), 5 reporting premium (E5)). Prices last refreshed at 12:32pm on 20 September 2026.
The cheapest reported unleaded petrol (E10) in Blackwood is £7.54 a gallon (165.9p per litre) at Sainsbury's, Newbridge RD Industrial Estate, Pontllanfraith, Blackwood. The average across 8 forecourts currently reporting this grade is £7.66 a gallon (168.6p 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 3.9p per litre below the UK average of 172.5p.
The average has risen 0.2p per litre since yesterday. The average has risen 2.6p per litre since last week.
Prices last refreshed at 12:32pm on 20 September 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 Blackwood has ranged between 155.7p and 165.7p per litre. The Blackwood average has risen 2.4p a litre over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £7.72/gal169.9p/L
- Average
- £7.66/gal168.6p/L
- Lowest
- £7.54/gal165.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £8.95/gal196.9p/L
- Average
- £8.76/gal192.8p/L
- Lowest
- £8.54/gal187.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.54/gal187.9p/L
- Average
- £8.41/gal185.1p/L
- Lowest
- £8.09/gal177.9p/L
Super Diesel Prices
Super Diesel (SDV)
Not enough current price data.
All forecourts in Blackwood
8 forecourts in Blackwood, with live prices and full addresses. Showing 1 to 8.
Newbridge RD Industrial Estate, Pontllanfraith, Blackwood · NP12 2AN
DirectionsDiesel B7
Premium E5
High Street, Blackwood, Caerphilly · NP12 0NT
Usually cheapest 8am to 1pm, priciest 7pm to midnight here
DirectionsDiesel B7
Llewellyns Garage, 275, High Street, Blackwood · NP12 1AW
Usually cheapest midnight to 5am, priciest 10am to 3pm here
DirectionsDiesel B7
Premium E5
Crown Cross Service Station, Crown Lane, The Bryn, Blackwood · NP12 2HA
Usually cheapest midnight to 5am, priciest 10am to 3pm here
DirectionsDiesel B7
Premium E5
Diesel B7
Williams Garage Ltd, Brynhoward Terrace, Oakdale, Blackwood · NP12 0LE
Usually cheapest midnight to 5am, priciest 6pm to 11pm here
DirectionsDiesel B7
ST. Davids Service Station, Pengam Road, Pengam, Blackwood, NP12 3SR, Blackwood · NP12 3SR
Usually cheapest midnight to 5am, priciest 4pm to 9pm here
DirectionsDiesel B7
Premium E5
235 High ST, Blackwood, Caerphilly · NP2 1AH
Usually cheapest midnight to 5am, priciest 9pm to midnight here
DirectionsDiesel B7
Premium E5
Search near Blackwood
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Sainsbury's
Newbridge RD Industrial Estate, Pontllanfraith, Blackwood
165.9p/L
Cheapest reported diesel
Sainsbury's
Newbridge RD Industrial Estate, Pontllanfraith, Blackwood
187.9p/L
By fuel grade in Blackwood
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 Blackwood
- What is the average petrol price in Blackwood?
- The average unleaded (E10) petrol price in Blackwood is currently 168.6p per litre (approx. £7.66/gal), based on live data from 8 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Blackwood?
- The average diesel (B7) price in Blackwood is currently 192.8p per litre (approx. £8.76/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Blackwood?
- Sainsbury's at Newbridge RD Industrial Estate, Pontllanfraith, Blackwood currently has the cheapest reported unleaded petrol in Blackwood at 165.9p per litre (approx. £7.54/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Blackwood?
- According to official UK government fuel price data, Asda Blackwood Express Petrol (NP2 1AH) currently has the highest reported unleaded (E10) price in Blackwood 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 Blackwood?
- 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.