UK fuel prices face upward pressure as Iran conflict persists

Executive summary: The Royal Automobile Club warns that UK petrol and diesel prices could keep climbing if the Iran war remains unresolved. Rising fuel costs impact consumer budgets, transportation expenses and overall inflation in the UK.

Who is involved: Royal Automobile Club (RAC), Iranian conflict parties, UK motorists

Likely next: Price trends will depend on diplomatic outcomes in Iran and any potential resolution of the conflict.

The RAC warns that UK pump prices could keep rising if the Iran conflict remains unresolved. Fuel price trends are closely tied to geopolitical developments and affect consumer transport costs and inflation. The situation also influences broader commodity markets, as reflected in recent movements in silver prices.

What's next — scenarios

Geopolitical Escalation (Downside) (30%)

Margin compression for logistics firms and increased CPI pressure for retailers.

Direct military strikes on Iranian oil infrastructure
Closure of the Strait of Hormuz

Stabilized Volatility (Base Case) (55%)

Predictable transport costs allowing for stable consumer pricing models.

Successful diplomatic mediation
De-escalation in regional proxy conflicts

Energy Market Decoupling (Upside) (15%)

Reduced correlation between oil prices and UK pump prices via increased local storage/alternative supply.

Significant drop in Brent Crude futures
Increased domestic renewable energy integration impact on fuel demand

What to watch

Brent Crude spot price movements over the next 30 days
Official UK CPI fuel component reports in next 60 days
OPEC+ production meeting announcements in the next 45 days

Timeline

2026-06-15 — What's happening to UK petrol and diesel prices? (BBC Business)
2026-06-15 — Silver prices today, Monday, June 15, 2026: Silver prices moving up following U.S., Iran ceasefire deal (Yahoo Finance)
2026-06-15 — Spizentreffen am Genfersee: G7-Gipfel startet mit Signal der Hoffnung (Handelsblatt)