UK fuel prices December 2025
Last updated .
UK petrol averaged 136.3p a litre in December 2025, of which 75.7p was tax (56%) and 29.6p was crude oil. The price fell from 136.6p in the week to 1 December 2025 to 135.3p in the week to 29 December 2025.
Every week in December 2025
| Week to | Pump price | Crude | Margin | Duty | VAT |
|---|---|---|---|---|---|
1 December 2025Details for 1 December 2025 | 136.6 | 30.5 | 30.4 | 52.95 | 22.8 |
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8 December 2025Details for 8 December 2025 | 136.7 | 29.9 | 31.1 | 52.95 | 22.8 |
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15 December 2025Details for 15 December 2025 | 136.8 | 28.9 | 32.1 | 52.95 | 22.8 |
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22 December 2025Details for 22 December 2025 | 136.2 | 29.1 | 31.5 | 52.95 | 22.7 |
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29 December 2025Details for 29 December 2025 | 135.3 | 29.4 | 30.4 | 52.95 | 22.6 |
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What was happening
Brent averaged $63 a barrel over the month and the pound bought $1.338. Fuel duty was 52.95p a litre throughout. The refining and retail margin averaged 31.1p.
Where these figures come from
Pump prices are the Department for Energy Security and Net Zero's weekly UK average, with the duty and VAT rates DESNZ published alongside each week. Crude is Brent converted at that week's exchange rate. The full method is on the methodology page, and the underlying series are downloadable.