Our average Red Diesel price for today, Wednesday 18th March 2026
is 135.13 pence per litre (excl. VAT).
See how much you can save
There are a number of factors that can affect Gas Oil / Red Diesel prices in the UK. These include:

While it is very difficult to predict exactly how Gas Oil prices will change from week to week, by monitoring how issues in the areas above impact on prices, you can get a good idea of how price trends may be affected.
From 1st April 2022 there will be changes made regarding who can use Red Diesel / Gas Oil in the UK. Only the following groups will be entitled to use it:
If you are unsure whether you can use Red Diesel / Gas Oil, please read the guidelines on the .gov website.
Every day we check the 1,000 litre price for Red Diesel, from each supplier in our network. We then take the lowest price in each postcode district and use this to calculate the average UK Red Diesel price available through our site (including VAT at 5%).
Please note that our Gas Oil price chart shows the average Red Diesel price across the UK (see here for the Red Diesel price chart for NI). If you would like to view Gas Oil prices for a specific postcode area, simply click below to get a free, personalised quote.
To find out more about Red Diesel and Gas Oil, visit our product information page.