What this page covers
Short answer
Heating oil is taxed less heavily than road fuel, but it is not tax-free. This page explains the tax bill on a typical kerosene order.
For the full dated answer across petrol, diesel and heating oil, the canonical Tankful research page is How much of Irish fuel prices is tax?.
How to read this topic correctly
Irish fuel-price discussions often mix several things together. It is easier to separate fixed State charges, VAT, and the non-tax market and supply-chain costs that also shape the final litre.
What to read next
For the broad version, use the main explainer. For current consumer price context, use the recent price pages.
FAQ
How much of petrol prices in Ireland is tax?
Using the 6 April 2026 European Commission weekly snapshot, tax and levies were about 95.6 cent per litre, or roughly 50.8% of the average petrol pump price in Ireland.
How much of diesel prices in Ireland is tax?
Using the same 6 April 2026 snapshot, tax and levies were about 86.6 cent per litre, or roughly 41.2% of the average diesel pump price in Ireland.