The decision comes as the government balances ongoing sanctions pressure against energy supply stability, particularly after earlier adjustments were made due to disruptions tied to geopolitical tensions involving Iran and broader global fuel supply concerns.
A key policy clarification was issued on Friday, confirming the direction of travel for the restrictions. In its statement, the UK government said: “Britain on Friday said that a full ban on diesel and jet fuel made in Russia would happen by 2027 as it set out its timeline to end a temporary licence for Russian oil products.”
The temporary allowance, which has enabled imports of diesel and jet fuel refined from Russian crude in third countries, will no longer remain open-ended. Authorities had previously extended the arrangement last month, citing concerns that an immediate halt could create pressure on fuel availability.
As part of that earlier decision, the government maintained that sanctions policy itself had not been reversed, but instead adjusted in phases. Officials stressed continuity in overall restrictions while managing the pace of implementation.
According to the update, “Britain last month said it would continue to allow imports of diesel and jet fuel refined from Russian crude in third countries, deferring a previously announced ban, citing supply issues caused by the Iran war.”
Now, however, the direction is toward a fixed endpoint. The business and trade ministry confirmed that the transitional mechanism will not extend indefinitely. It stated that “the government said existing sanctions were not being lifted, but new sanctions were being phased in.”
The revised timeline sets a firm expiry date. The ministry added: “On Friday the business and trade ministry said the temporary licence for phasing in the ban would expire by Jan. 1 2027.”
Officials also emphasized that the policy will remain under active review, suggesting that the phase-out could accelerate depending on market conditions and enforcement readiness. In its statement, the ministry noted: “It added that the government would continue to review the licence every two weeks, with a view to lifting the licence as soon as possible.”
The move reflects Britain’s broader strategy of gradually tightening energy-related sanctions while attempting to avoid sudden shocks to fuel supply chains. By setting a defined end date while retaining short-interval reviews, the government is signaling both firmness on enforcement and flexibility in timing.